CDC 3e251 Set B Vol. 1
This quiz will cover all URE multiple choice questions from Vol. 1 of the B-Set of Pavements and Construction Equipment Operator 5-Level upgrade course. All questions are taken directly from the UREs and the multiple choice options are the same. Correct answers reflect the correct answers from the CDC themselves and not necessarily the correct answers from the CERTest.
- 1.
Normally, on equipment and vehicles, what determines the type of vehicle isnpection checklist you use?
- A.
Size of vehicle
- B.
Type of vehicle
- C.
Availability of checklist
- D.
Experience of the operator
Correct Answer
B. Type of vehicleExplanation
The type of vehicle determines the type of vehicle inspection checklist used because different vehicles have different components and systems that need to be inspected. For example, a checklist for a car will include items such as brakes, lights, and tires, while a checklist for a truck may include additional items such as the trailer hitch and cargo securement. Therefore, the type of vehicle being inspected is crucial in determining the appropriate checklist to ensure all necessary components are inspected thoroughly.Rate this question:
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- 2.
When heavy equipemtn is palced in storage, how often must it be inspected for servicablility?
- A.
Daily
- B.
Weekly
- C.
Monthly
- D.
Semi-monthly
Correct Answer
C. MonthlyExplanation
Heavy equipment must be inspected for serviceability on a monthly basis when placed in storage. This regular inspection ensures that the equipment remains in good working condition and can be used effectively when needed. Monthly inspections allow for any potential issues or maintenance needs to be identified and addressed promptly, preventing any further damage or safety hazards. By conducting these inspections on a regular basis, the equipment can be kept in optimal condition and ready for use whenever required.Rate this question:
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- 3.
Which of the following is not normally an equipment or vehicle operator's responsibility?
- A.
Replacing burned out bulbs
- B.
Filling the battery with fluid
- C.
Filling the crankcase with oil
- D.
Changing the transmission fluid
Correct Answer
D. Changing the transmission fluidExplanation
The responsibility of an equipment or vehicle operator typically includes tasks related to the maintenance and operation of the equipment or vehicle. This may involve tasks such as replacing burned out bulbs, filling the battery with fluid, and filling the crankcase with oil. However, changing the transmission fluid is not normally an equipment or vehicle operator's responsibility. This task is usually performed by a mechanic or someone with specialized knowledge and skills in vehicle maintenance.Rate this question:
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- 4.
Failure to lubricate a vehicle or piece of equipment properly when required constitutes...
- A.
Vehicle abuse
- B.
Dereliction of duty
- C.
Equipment disregard
- D.
Maintenance ignorance
Correct Answer
A. Vehicle abuseExplanation
Failure to lubricate a vehicle or piece of equipment properly when required constitutes vehicle abuse. This is because lubrication is an essential maintenance task that ensures the smooth operation and longevity of the vehicle or equipment. Neglecting to lubricate can lead to increased friction, wear and tear, and potential damage to the components. Therefore, it can be considered as a form of abuse towards the vehicle or equipment, as it neglects the necessary care and maintenance needed for its proper functioning.Rate this question:
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- 5.
When operating a dumptruck with an automatic trnasmission, the power take-off is engaged with the...
- A.
Engine shut off
- B.
Clutch disengaged
- C.
Transmission in gear
- D.
Transmission in neutral
Correct Answer
C. Transmission in gearExplanation
When operating a dump truck with an automatic transmission, the power take-off is engaged with the transmission in gear. This means that the transmission is engaged and the gears are actively transferring power from the engine to the wheels. The power take-off is a device that allows the engine's power to be used for other purposes, such as operating hydraulic systems in the dump truck. Therefore, in order for the power take-off to be engaged and function properly, the transmission needs to be in gear.Rate this question:
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- 6.
When performing an operator's inspection before operating a dump truck, you should...
- A.
Wash the vehicle
- B.
Make sure the spreader chains have been set
- C.
Check and make sure the dump box operates
- D.
Make sure you have brought shovels with you
Correct Answer
C. Check and make sure the dump box operatesExplanation
Before operating a dump truck, it is important to check and make sure that the dump box operates properly. This is necessary to ensure that the truck can safely dump its load when required. Checking the dump box operation includes verifying that the controls and mechanisms are functioning correctly and that there are no issues or malfunctions that could pose a safety risk during operation.Rate this question:
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- 7.
If you choose to spread materials in layers, you should stop the truck where you want to start the spread, position the dump control levers, and
- A.
Raise the bed about one foot
- B.
Raise the bed about three feet
- C.
Raise the bed about halfway
- D.
Ensure the bed is all the way down and chained
Correct Answer
A. Raise the bed about one footExplanation
When choosing to spread materials in layers, raising the bed about one foot allows for a controlled and gradual release of the materials. This height ensures that the materials are spread evenly and do not accumulate in one area, preventing potential issues such as uneven distribution or excessive material buildup. Additionally, raising the bed about one foot provides enough clearance for the materials to flow freely and avoid any obstructions or blockages during the spreading process.Rate this question:
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- 8.
Before you begin loading a vehicle, you must first determine the vehicle's...
- A.
Turning radius
- B.
Weight capacity
- C.
Height limitations
- D.
Tire characteristics
Correct Answer
B. Weight capacityExplanation
Before loading a vehicle, it is important to determine its weight capacity. This is crucial because exceeding the weight limit can lead to damage to the vehicle, decreased performance, and even accidents. By knowing the weight capacity, one can ensure that the load being placed on the vehicle does not exceed its safe limit, promoting safety and preventing potential issues during transportation.Rate this question:
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- 9.
You are tasked to haul a load of heavy grader blades and light weight broom bristles. How should these items be loaded on the vehicle?
- A.
Grader blades in the front and broom bristles toward the back
- B.
Grader blades toward the rear and broom bristles in front
- C.
Grader blades on the bottom and broom bristles on top
- D.
Grader blades on top and broom bristles on the bottom
Correct Answer
C. Grader blades on the bottom and broom bristles on topExplanation
The correct answer is to load the grader blades on the bottom and the broom bristles on top. This arrangement ensures that the heavier grader blades are placed at the bottom, providing stability and preventing the lighter broom bristles from being crushed or damaged. Placing the broom bristles on top also makes them easily accessible for unloading.Rate this question:
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- 10.
What determines the method of securing cargo?
- A.
Type of cargo only
- B.
Distance to be traveled only
- C.
Type of vehicle transporting the cargo
- D.
Type of cargo, speed of vehicle, and distance to be traveled
Correct Answer
D. Type of cargo, speed of vehicle, and distance to be traveledExplanation
The method of securing cargo is determined by the type of cargo, speed of the vehicle, and distance to be traveled. Different types of cargo may require specific methods of securing, such as using straps, nets, or containers. The speed of the vehicle is also important as it affects the forces acting on the cargo during transportation. For example, if the vehicle is traveling at high speeds, stronger securing methods may be needed to prevent the cargo from shifting or falling off. Additionally, the distance to be traveled can also impact the method of securing, as longer distances may require more secure and durable methods to ensure the safety of the cargo throughout the journey.Rate this question:
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- 11.
You are using a forklift to load bundles of 12'x2' airfield landing mats onto a trailer. To do this properly, you must pay close attention to the...
- A.
Centering the load
- B.
Height restrictions
- C.
Weight restriction
- D.
Size blocking you use
Correct Answer
B. Height restrictionsExplanation
When using a forklift to load bundles of airfield landing mats onto a trailer, it is important to pay close attention to the height restrictions. This is because exceeding the height limit can lead to instability and potential damage to the mats or the trailer. By adhering to the height restrictions, you can ensure safe and efficient loading of the mats onto the trailer.Rate this question:
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- 12.
When hauling construction materials, you should load binders to…
- A.
Secure the portable loading ramps
- B.
Make unloading from the trailer easier
- C.
Tighten the chains that secure the load to the trailer
- D.
Allow the forks to slip out easily from under a load
Correct Answer
C. Tighten the chains that secure the load to the trailerExplanation
Load binders are used to tighten the chains that secure the load to the trailer. This is important because it ensures that the load is properly secured and prevents it from shifting or falling off during transportation. Tightening the chains with load binders also helps to distribute the weight of the load evenly, reducing the risk of accidents or damage to the trailer.Rate this question:
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- 13.
What is the best reason for hauling a dozer to a construction site?
- A.
Save fuel
- B.
Provide a direct route
- C.
Reduce wear on the dozer
- D.
Reduce the number of obstacle
Correct Answer
C. Reduce wear on the dozerExplanation
Hauling a dozer to a construction site helps reduce wear on the machine. By transporting the dozer instead of driving it to the site, the dozer's tires or tracks are not subjected to the rough terrain and long distances, which can cause excessive wear and tear. This can extend the lifespan of the dozer and reduce the need for frequent repairs or maintenance.Rate this question:
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- 14.
Normally, if there is no loading ramp available to load the dozer, you should…
- A.
Back the dozer onto the trailer
- B.
Push-up a pile of dirt behind the trailer
- C.
Use a hydraulic crane to load the dozer on a trailer
- D.
Find a street with a curb and back the trailer up a curb
Correct Answer
B. Push-up a pile of dirt behind the trailerExplanation
If there is no loading ramp available to load the dozer, pushing up a pile of dirt behind the trailer would be a suitable alternative. This would create a makeshift ramp for the dozer to be driven onto the trailer.Rate this question:
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- 15.
To prevent the trailer from moving while you back the tractor under it, you should…
- A.
Check the color codes on the lines and couplings
- B.
Check the couplings to see if the markings match
- C.
Block the trailer wheels with wooden blocks (chocks)
- D.
Disconnect the emergency line to set the brake
Correct Answer
C. Block the trailer wheels with wooden blocks (chocks)Explanation
To prevent the trailer from moving while backing the tractor under it, blocking the trailer wheels with wooden blocks (chocks) is the correct answer. This is because chocking the wheels will provide a physical barrier that prevents the trailer from rolling or moving unintentionally. It is a common practice to use wooden blocks or chocks to secure the wheels of a trailer when it is parked or being backed into position. This ensures safety and stability during the backing maneuver. Checking the color codes on the lines and couplings, checking the couplings for matching markings, or disconnecting the emergency line to set the brake are not necessary measures for preventing the trailer from moving in this specific scenario.Rate this question:
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- 16.
What is the correct order for correcting a tractor to a trailer?
- A.
Electric cables, brake lines, fifth wheel
- B.
Fifth wheel, brake lines, electric cable
- C.
Electric cable, fifth wheel, brake lines
- D.
Brake lines, fifth wheel, electric cable
Correct Answer
D. Brake lines, fifth wheel, electric cableExplanation
The correct order for correcting a tractor to a trailer is to first fix the brake lines, then connect the fifth wheel, and finally attach the electric cable. This order ensures that the braking system is functioning properly before connecting the trailer to the tractor, and then the electric cable is connected to power the trailer's lights and other electrical components.Rate this question:
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- 17.
How do breakaway trailers differ from cargo trailers?
- A.
They are longer
- B.
Their wheelbase is shorter
- C.
They have no weight restrictions
- D.
They are built lower to the ground
Correct Answer
D. They are built lower to the groundExplanation
Breakaway trailers differ from cargo trailers in that they are built lower to the ground. This means that the height of the trailer is lower, which can provide benefits such as improved stability and reduced wind resistance. The lower height also allows for easier loading and unloading of cargo. In contrast, cargo trailers may have a taller design to accommodate larger or bulkier items.Rate this question:
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- 18.
What is the proper order for disconnecting a tractor from a breakaway trailer?
- A.
Fifth wheel handle open, brake lines, lower hydraulic ram
- B.
Brake lines, electric cables, fifth wheel handle open
- C.
Fifth wheel handle open, electric cables, lower hydraulic ram
- D.
Lower hydraulic ram, disconnect brake and electric lines, fifth wheel handle open
Correct Answer
D. Lower hydraulic ram, disconnect brake and electric lines, fifth wheel handle openExplanation
The proper order for disconnecting a tractor from a breakaway trailer is to first lower the hydraulic ram, then disconnect the brake and electric lines, and finally open the fifth wheel handle. This sequence ensures that the trailer is properly stabilized and disconnected from the tractor before releasing the fifth wheel handle, which is responsible for securing the connection between the tractor and the trailer. Disconnecting the brake and electric lines before opening the fifth wheel handle prevents any accidental movement or damage to the trailer.Rate this question:
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- 19.
When you are making a turn with a tractor and trailer, you must keep in mind that the trailer has a tendency to…
- A.
Cut the corner
- B.
Follow the tractor
- C.
Continue going straight
- D.
Swing wide on the corner
Correct Answer
A. Cut the cornerExplanation
When making a turn with a tractor and trailer, the trailer has a tendency to "cut the corner." This means that the trailer will take a shorter path than the tractor, potentially causing it to go off the road or collide with obstacles. It is important for the driver to be aware of this tendency and make wider turns to ensure that both the tractor and trailer stay on the intended path and avoid any potential accidents.Rate this question:
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- 20.
What is the term given to a condition where the tractor and trailer are jammed together at an acute angle?
- A.
Pigtail
- B.
Bobtail
- C.
Jackknife
- D.
Piggyback
Correct Answer
C. JackknifeExplanation
Jackknife refers to a condition where the tractor and trailer of a vehicle are jammed together at an acute angle. This typically occurs when the trailer swings out to the side of the tractor, resembling the folding action of a jackknife. This can happen when the trailer loses traction or stability, causing it to swing out of control. The term "jackknife" is commonly used in the context of trucking and is a dangerous situation that can lead to accidents if not corrected promptly.Rate this question:
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- 21.
What is the best way to position a tractor for unloading at a wharehouse dock?
- A.
Park parallel to the dock
- B.
Pull forward into the dock
- C.
Back toward the left and turn toward the dock
- D.
Back toward the right and turn toward the dock
Correct Answer
C. Back toward the left and turn toward the dockExplanation
The best way to position a tractor for unloading at a warehouse dock is to back toward the left and turn toward the dock. This allows for better visibility of the dock and surrounding area, making it easier to maneuver the tractor into position. Additionally, backing toward the left allows the driver to have a better view of the trailer and dock alignment, ensuring a safer and more efficient unloading process.Rate this question:
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- 22.
What action should be taken to regain control of a tractor and trailer in a skid?
- A.
Apply only the trailer brakes
- B.
Apply only the tractor brakes
- C.
Release the brakes to get the wheels turning
- D.
Keep the brakes depressed to stop the tractor
Correct Answer
C. Release the brakes to get the wheels turningExplanation
When a tractor and trailer are in a skid, releasing the brakes allows the wheels to start turning again. This helps to regain control because the rolling wheels provide more traction and stability than the locked wheels. By releasing the brakes, the driver can steer the tractor and trailer in the desired direction and potentially correct the skid. Applying only the trailer or tractor brakes may further destabilize the vehicle and make it harder to regain control. Keeping the brakes depressed to stop the tractor is not recommended as it can worsen the skid and potentially lead to a loss of control.Rate this question:
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- 23.
Where does the bitumeter gauge on the asphalt distributer receive its power?
- A.
Hydraulic pump
- B.
Power take-off unit
- C.
Electronic source inside the cab
- D.
Small 10-inch wheel lowered from behind the running board
Correct Answer
D. Small 10-inch wheel lowered from behind the running boardExplanation
The bitumeter gauge on the asphalt distributor receives its power from a small 10-inch wheel that is lowered from behind the running board. This wheel likely generates power through rotation as the asphalt distributor moves, allowing the bitumeter gauge to function and measure the amount of bitumen being distributed.Rate this question:
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- 24.
The first task in operating a water truck is to…
- A.
Fill the water tank
- B.
Start the water pump
- C.
Connect the spray bar hoses
- D.
Open all valves
Correct Answer
A. Fill the water tankExplanation
The first task in operating a water truck is to fill the water tank. This is important because without water in the tank, the truck will not be able to perform its intended function of spraying water. Once the tank is filled, the water truck can then proceed to start the water pump, connect the spray bar hoses, and open all valves to begin the spraying process. However, filling the water tank is the initial step that needs to be completed before any of the other tasks can be performed.Rate this question:
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- 25.
Why should you use caution when filling the water truck with a fire hose from a fire hydrant?
- A.
Cold water may splash out
- B.
Spilled water may make the tank slippery
- C.
The hose may come out of the tank and hit someone
- D.
You may get sediment from the hydrant and clog the water pump
Correct Answer
C. The hose may come out of the tank and hit someoneExplanation
When filling the water truck with a fire hose from a fire hydrant, caution should be used because the hose may come out of the tank and hit someone. This is a potential safety hazard as the force of the water and the weight of the hose can cause it to become dislodged from the tank and potentially injure someone nearby. It is important to secure the hose properly to prevent any accidents or injuries.Rate this question:
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- 26.
The ballast plates inside the tank of a water truck are designed to…
- A.
Separate the water in the tank
- B.
Maintain the desired water level
- C.
Prevent excessive water movement
- D.
Give additional strength to the tank
Correct Answer
C. Prevent excessive water movementExplanation
The ballast plates inside the tank of a water truck are designed to prevent excessive water movement. This is important because when the truck is in motion, the water inside the tank can slosh around, causing instability and potentially affecting the truck's handling. The ballast plates act as stabilizers, reducing the movement of the water and keeping it more balanced within the tank. This helps to maintain the truck's stability and prevents any potential accidents or damage that could occur from excessive water movement.Rate this question:
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- 27.
What is the most important factor in determining how well soil can be compacted?
- A.
Percent of fine aggregates
- B.
Degree of aggregate gradation
- C.
Degree of moisture in the soil
- D.
Percent of coarse aggregates
Correct Answer
C. Degree of moisture in the soilExplanation
The most important factor in determining how well soil can be compacted is the degree of moisture in the soil. The moisture content affects the soil's ability to bind together and form a solid mass. If the soil is too dry, it will be difficult to compact as it will not stick together. On the other hand, if the soil is too wet, it will be too soft and will not compact properly. The optimal moisture content allows for the particles to bind together and achieve maximum compaction.Rate this question:
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- 28.
Who has the ultimate responsibility for inspecting airfield pavements for foreign objects?
- A.
Base commander
- B.
Base civil engineer
- C.
The sweeper operator
- D.
Chief of airfield management
Correct Answer
B. Base civil engineerExplanation
The base civil engineer has the ultimate responsibility for inspecting airfield pavements for foreign objects. This is because they are in charge of the overall maintenance and safety of the airfield infrastructure, including the inspection of pavements for any foreign objects that could pose a risk to aircraft operations. The base civil engineer is responsible for ensuring that the airfield is safe and free from any potential hazards, such as debris or foreign objects, that could damage aircraft or cause accidents.Rate this question:
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- 29.
Whom must you check with first before you begin any airfield sweeping operations?
- A.
Your supervisor
- B.
Control tower personnel
- C.
Base operations personnel
- D.
Chief of aircraft operations
Correct Answer
C. Base operations personnelExplanation
Before beginning any airfield sweeping operations, it is important to check with base operations personnel first. They are responsible for coordinating and managing all activities on the airfield, including airfield maintenance operations. They have the necessary knowledge and authority to provide guidance and ensure that the sweeping operations can be conducted safely and without interfering with other airfield activities. Checking with base operations personnel helps to ensure proper coordination and adherence to established procedures and protocols.Rate this question:
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- 30.
What is the best way to perform an airfield sweeping and inspection operation?
- A.
Drive fast to cover more area in less time
- B.
Get out of the vehicle and walk around the area
- C.
Drive slow and move back and forth across the area
- D.
Proceed up one side of the airfield and down the other
Correct Answer
C. Drive slow and move back and forth across the areaExplanation
Driving slow and moving back and forth across the area is the best way to perform an airfield sweeping and inspection operation because it allows for thorough coverage of the entire area. By driving slow, the operator can carefully observe and inspect the airfield for any debris, hazards, or other issues. Moving back and forth across the area ensures that no part of the airfield is missed during the inspection process. This method ensures a comprehensive and effective inspection, promoting safety and efficiency in airfield operations.Rate this question:
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- 31.
What should you do during sweeping operations if you come across a large rock that the sweeper will not pick up?
- A.
Stop the sweeper and pick up the rock
- B.
Immediately notify the control tower
- C.
Mark the location on a sweeping map
- D.
Make a note of the location and pick it up later with a pick-up truck
Correct Answer
A. Stop the sweeper and pick up the rockExplanation
During sweeping operations, if you come across a large rock that the sweeper will not pick up, the best course of action is to stop the sweeper and pick up the rock. This is important to prevent any damage to the sweeper or obstruction of the sweeping process. By stopping the sweeper and manually removing the rock, you ensure the efficiency and effectiveness of the sweeping operation.Rate this question:
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- 32.
What is the most important factor in the operation of the sweeper?
- A.
Lubrication
- B.
Cleanliness
- C.
Water levels
- D.
Operating Speed
Correct Answer
B. CleanlinessExplanation
Cleanliness is the most important factor in the operation of the sweeper because a clean sweeper will be able to effectively remove debris, dirt, and dust from the surface being cleaned. If the sweeper is not clean, it may not be able to pick up the debris properly, leading to inefficient cleaning. Additionally, a dirty sweeper may also cause clogs or damage to the machinery, leading to breakdowns and decreased performance. Therefore, maintaining cleanliness in the sweeper is crucial for its optimal operation.Rate this question:
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- 33.
The air sweeper is best described as what type of machine?
- A.
Dry system
- B.
Wet system
- C.
Open loop
- D.
Closed loop
Correct Answer
D. Closed loopExplanation
A closed loop system refers to a machine or system where the input and output are connected in a continuous loop, with no external influence or exchange with the surroundings. In the case of an air sweeper, it operates as a closed loop system because it takes in air, filters and cleans it, and then releases the cleaned air back into the environment. There is no exchange or interaction with the outside air or environment during this process, making it a closed loop system.Rate this question:
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- 34.
On the air sweeper, how is fine dust removed from the air stream before it returns to the blower?
- A.
Skimming it off in a separator
- B.
Passing it through a screen separator
- C.
Forcing it over an adhesive coated plate
- D.
Forcing it through a series of filter bags
Correct Answer
A. Skimming it off in a separatorExplanation
The correct answer is skimming it off in a separator. In this process, the fine dust is separated from the air stream by skimming it off, which means removing it from the surface of the air stream. This is typically done using a separator device, which effectively separates the dust particles from the air before it returns to the blower.Rate this question:
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- 35.
When using the air sweeper to sweep over wet pavement, you must frequently…
- A.
Change the rpms
- B.
Raise the sweeper head
- C.
Dump the sweeper hopper
- D.
Visually check the hopper
Correct Answer
C. Dump the sweeper hopperExplanation
When using the air sweeper to sweep over wet pavement, it is necessary to frequently dump the sweeper hopper. This is because wet pavement tends to create more debris and clumps, which can quickly fill up the hopper. By dumping the hopper frequently, the sweeper can continue to effectively remove debris from the pavement without becoming overloaded.Rate this question:
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- 36.
When using the handheld suction hose on the sweeper, you should never…
- A.
Wash out the hose
- B.
Pick up glass bottles
- C.
Allow dirt to enter at the open end of the hose
- D.
Direct the hand hose toward another person
Correct Answer
D. Direct the hand hose toward another personExplanation
Directing the hand hose toward another person can be dangerous and potentially harmful. The suction force can cause injury or harm to the person standing in front of the hose. It is important to always direct the hose away from people to ensure their safety.Rate this question:
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- 37.
For best results and prolonged sweeper parts life, how should you wash the air sweeper hopper?
- A.
Back toward the front of the hopper
- B.
From right to left inspection doors first
- C.
Start from the outside and work toward the inside
- D.
Start from the inside and work toward the outside
Correct Answer
B. From right to left inspection doors firstExplanation
To wash the air sweeper hopper for best results and prolonged sweeper parts life, you should start by washing from right to left inspection doors first. This ensures that you clean the areas that are more prone to dirt and debris buildup first, allowing for a more thorough cleaning. By starting from the right and moving to the left, you can effectively remove any accumulated dirt and maintain the functionality of the sweeper.Rate this question:
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- 38.
What will happen if you fail to keep the sweeper pick up head spring suspension system in proper adjustment?
- A.
Sweeper will ride rough
- B.
Premature wear of the skid plates
- C.
Sweeper will not clean thoroughly
- D.
Premature wear of the pick up broom
Correct Answer
B. Premature wear of the skid platesExplanation
If the sweeper pick up head spring suspension system is not kept in proper adjustment, it can lead to premature wear of the skid plates. The skid plates are responsible for maintaining the proper height and angle of the pick up head, allowing it to effectively sweep and collect debris. If the suspension system is not adjusted correctly, it can cause excessive pressure and friction on the skid plates, leading to their premature wear. This can result in decreased performance and efficiency of the sweeper.Rate this question:
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- 39.
When should you changed the air sweeper gutter broom bristles?
- A.
Per owner’s manual or Technical Order (TO)
- B.
After 40 hours of use
- C.
Only after they become brittle
- D.
Not required to change bristles
Correct Answer
A. Per owner’s manual or Technical Order (TO)Explanation
The correct answer is "Per owner’s manual or Technical Order (TO)". This means that the air sweeper gutter broom bristles should be changed according to the instructions provided in the owner's manual or the Technical Order (TO) for the equipment. The specific guidelines and recommendations for changing the bristles will be outlined in these documents, ensuring that the bristles are replaced at the appropriate time to maintain the effectiveness and functionality of the air sweeper.Rate this question:
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- 40.
On a traction-powered towed sweeper, the turning of the rear wheels is used to…
- A.
Rotate the broom
- B.
Steer the sweeper
- C.
Propel the sweeper
- D.
Drive the hydraulic pump
Correct Answer
A. Rotate the broomExplanation
The correct answer is "Rotate the broom." On a traction-powered towed sweeper, the turning of the rear wheels is used to rotate the broom. This rotation helps to sweep and collect debris from the surface being cleaned. The broom's rotation is an essential function of the sweeper, allowing it to effectively clean the area.Rate this question:
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- 41.
Which of the following is not a contributing factor when determining the number of sweepers an industrial tractor can tow?
- A.
Width of the area
- B.
Length of the area
- C.
Pulling power of the tractor
- D.
Type of sweeper unit used
Correct Answer
D. Type of sweeper unit usedExplanation
The type of sweeper unit used is not a contributing factor when determining the number of sweepers an industrial tractor can tow. The number of sweepers that can be towed is usually determined by factors such as the width and length of the area to be swept, as well as the pulling power of the tractor. However, the type of sweeper unit used does not directly affect the number of sweepers that can be towed.Rate this question:
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- 42.
Depending on conditions, at how many miles per hour can a front mounted broom-sweeping unit remove light debris from paved surfaces?
- A.
6
- B.
7
- C.
8
- D.
9
Correct Answer
A. 6Explanation
The correct answer is 6 because it is the lowest option provided. The question asks for the speed at which a front mounted broom-sweeping unit can remove light debris from paved surfaces, and typically a lower speed is required for this task in order to effectively sweep and collect the debris.Rate this question:
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- 43.
What drives the sweeping unit on a front mounted broom sweeper?
- A.
Chains
- B.
Drive-shaft
- C.
Tractor’s Power Take-Off(PTO)
- D.
Hydraulic motor
Correct Answer
D. Hydraulic motorExplanation
The sweeping unit on a front mounted broom sweeper is driven by a hydraulic motor. This motor uses hydraulic power to generate rotational motion, which in turn drives the sweeping unit. This method of driving the sweeping unit is efficient and allows for precise control of the speed and direction of the broom sweeper.Rate this question:
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- 44.
Which is not a factor in controlling the brush life on the front-mounted broom?
- A.
Ground speed
- B.
Broom moisture
- C.
Brush down-pressure
- D.
Keeping the broom level
Correct Answer
B. Broom moistureExplanation
Broom moisture is not a factor in controlling the brush life on the front-mounted broom. The moisture level of the broom does not affect the lifespan of the brush. Other factors such as ground speed, brush down-pressure, and keeping the broom level may have an impact on the brush life, but moisture is not one of them.Rate this question:
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- 45.
Who is directly responsible to the support group commander for snow and ice control activities?
- A.
Shift leaders
- B.
BCE
- C.
Deputy base commander
- D.
Chief of airfield management
Correct Answer
B. BCEExplanation
The BCE, or Base Civil Engineer, is directly responsible for snow and ice control activities to the support group commander. As the head of the engineering department, the BCE oversees all construction and maintenance operations on the base, including snow and ice control. They are responsible for coordinating resources, developing plans, and ensuring that the necessary equipment and personnel are available to effectively manage and control snow and ice on the base.Rate this question:
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- 46.
Which individual is responsible for directing runway condition readings?
- A.
BCE
- B.
Deputy Base Commander
- C.
Chief of Airfield management
- D.
Control tower superintendent
Correct Answer
C. Chief of Airfield managementExplanation
The Chief of Airfield Management is responsible for directing runway condition readings. This individual oversees the management and maintenance of the airfield, including the runway. They are responsible for ensuring that the runway is safe and in proper condition for aircraft operations. This includes directing and coordinating the collection of runway condition readings, which are crucial for determining if the runway is suitable for use. The Chief of Airfield Management plays a key role in ensuring the safety and efficiency of airfield operations.Rate this question:
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- 47.
All snow and ice control equipment must be mechanically sound and fully operational by the first of which month?
- A.
July
- B.
July
- C.
September
- D.
October
Correct Answer
C. SeptemberExplanation
All snow and ice control equipment must be mechanically sound and fully operational by the first of September. This is likely because September marks the beginning of the fall season, and it is important to have the equipment ready before any potential snow or ice events occur. This allows for proper maintenance and preparation to ensure the equipment is in good working condition when it is needed.Rate this question:
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- 48.
Which of the following is a priority one snow removal area?
- A.
Dining facility
- B.
Base motor pool
- C.
Access roads to special weapons
- D.
Main streets through base housing
Correct Answer
C. Access roads to special weaponsExplanation
Access roads to special weapons would be a priority one snow removal area because these roads are crucial for the transportation and access to special weapons. It is important to ensure that these roads are clear and accessible at all times, especially during snowy conditions, to maintain the readiness and security of the weapons.Rate this question:
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- 49.
The snow and ice control (S&IC) center should be equipped with…
- A.
A flying schedule
- B.
At least one class “A” telephone
- C.
Color-coded layout map showing priorities
- D.
Charts showing the previous year’s snowfall
Correct Answer
C. Color-coded layout map showing prioritiesExplanation
The snow and ice control (S&IC) center should be equipped with a color-coded layout map showing priorities. This is important because it allows the S&IC center to effectively manage and prioritize their snow and ice control efforts. The color-coded layout map helps identify areas that need immediate attention based on their priority level, ensuring that resources and efforts are allocated efficiently. It provides a visual representation of the areas that require plowing or de-icing first, helping the S&IC center make informed decisions and effectively coordinate their operations.Rate this question:
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- 50.
If the clutch is engaged too quickly, what safety device is used to prevent damage to the drive shaft, blower assembly or other parts of the snowblower?
- A.
Shear pin
- B.
Brake pad
- C.
Auto clutch
- D.
Automatic kill switch
Correct Answer
A. Shear pinExplanation
When the clutch is engaged too quickly on a snowblower, the shear pin is used as a safety device to prevent damage to the drive shaft, blower assembly, or other parts. A shear pin is designed to break under excessive force, which helps protect the more expensive and critical components of the snowblower from being damaged. By breaking the shear pin, the excessive force is absorbed and the drive shaft or blower assembly is spared from potential harm. This allows for easier and cheaper replacement of the shear pin instead of having to repair or replace more expensive parts.Rate this question:
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Quiz Review Timeline +
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Current Version
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Mar 20, 2023Quiz Edited by
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Feb 26, 2013Quiz Created by
Johnr21077
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