Basic Safety: Four High-hazard Areas And Personal Protective Equipment
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Questions and Answers
- 1.
When welding, what color is the oxygen hose?
- A.
Red
- B.
Green
- C.
Blue
Correct Answer
B. GreenExplanation
The oxygen hose used in welding is typically green in color. This is done to differentiate it from other hoses and to ensure safety. Green is universally recognized as the color for oxygen, making it easier for welders to identify and avoid any mix-ups with other gases. Using the correct color-coded hose is crucial in preventing accidents and ensuring the proper flow of oxygen during the welding process.Rate this question:
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- 2.
When welding, what color is the fuel gas hose?
- A.
Red
- B.
Green
- C.
Orange
Correct Answer
A. RedExplanation
The fuel gas hose used in welding is typically color-coded as red. This color coding system is used to ensure safety and prevent accidents. Red is commonly associated with fuel gases, such as acetylene or propane, which are highly flammable. By using a red hose for the fuel gas, it helps distinguish it from other hoses and reminds the welder to handle it with caution. This helps prevent any mix-ups or confusion during the welding process and reduces the risk of accidents or explosions.Rate this question:
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- 3.
Which type of system cannot be used in Type C soil?
- A.
Benching
- B.
Sloping
- C.
Support
Correct Answer
A. BenchingExplanation
Benching is a method used to create horizontal steps or benches in the soil to provide stability and prevent soil collapse. It is commonly used in Type C soil, which is cohesive soil with low strength. Sloping is another method used in Type C soil, where the soil is cut at an angle to create a stable slope. Support systems, such as shoring or sheet piling, can also be used in Type C soil to provide temporary support. Therefore, the correct answer is benching, as it is a type of system that can be used in Type C soil.Rate this question:
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- 4.
Where should the D-ring on a safety harness be placed?
- A.
Between shoulder blades
- B.
Directly in the middle of the back
- C.
Above rib cage
Correct Answer
A. Between shoulder bladesExplanation
The D-ring on a safety harness should be placed between the shoulder blades. This positioning allows for optimal support and stability during activities that require the use of a safety harness. Placing the D-ring directly in the middle of the back or above the rib cage may lead to discomfort or reduced effectiveness of the harness.Rate this question:
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- 5.
The top of a ladder should extend ______ feet above the point where the ladder is touching a platform or roof.
- A.
2
- B.
3
- C.
4
- D.
6
Correct Answer
B. 3Explanation
The top of a ladder should extend 3 feet above the point where the ladder is touching a platform or roof. This is because having the ladder extend 3 feet above the point of contact provides a stable and secure support for the person using the ladder. It allows them to safely climb up and down the ladder without the risk of losing their balance or falling off. Extending the ladder by 3 feet also ensures that the person can easily step off the ladder onto the platform or roof without any difficulty.Rate this question:
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- 6.
You should never stand above the ______ rung on an extension ladder.
- A.
Fourth
- B.
Third
- C.
Second
Correct Answer
A. FourthExplanation
When using an extension ladder, it is important to never stand above the fourth rung. This is because standing higher than the fourth rung can increase the risk of losing balance and falling. By standing on the fourth rung or lower, you can maintain stability and reduce the chances of accidents or injuries.Rate this question:
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- 7.
You should never use ________ ladders around electrical equipment.
- A.
Metal
- B.
Wooden
- C.
Fiberglass
Correct Answer
A. MetalExplanation
Metal ladders should never be used around electrical equipment because metal is a conductor of electricity. If the ladder comes into contact with an electrical current, it can cause electrocution or electrical shock to the person using the ladder. Therefore, it is important to use non-conductive materials such as wooden or fiberglass ladders when working near electrical equipment to ensure safety.Rate this question:
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- 8.
Gas welders are required to wear tinted goggles or hoods with a filter lens no less than a __________ shade.
- A.
No. 2
- B.
No. 4
- C.
No. 6
- D.
No. 8
Correct Answer
B. No. 4Explanation
Gas welders are required to wear tinted goggles or hoods with a filter lens no less than a shade 4. This is because gas welding produces intense ultraviolet (UV) and infrared (IR) radiation, which can be harmful to the eyes. A shade 4 lens provides adequate protection by reducing the amount of UV and IR radiation that reaches the welder's eyes, preventing potential eye damage.Rate this question:
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- 9.
Who should inspect your personal fall arrest system monthly?
- A.
Competent person
- B.
Supervisor
- C.
Project manager
Correct Answer
A. Competent personExplanation
A competent person should inspect your personal fall arrest system monthly. This is because a competent person has the necessary knowledge, training, and experience to identify any potential issues or defects in the system. They are responsible for ensuring that the personal fall arrest system is in good working condition and meets all safety requirements. Regular inspections by a competent person help to prevent accidents and ensure the safety of individuals using the fall arrest system.Rate this question:
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- 10.
Of the following, which is the most life threatening?
- A.
Heat stroke
- B.
Heat cramps
- C.
Heat exhaustion
Correct Answer
A. Heat strokeExplanation
Heat stroke is the most life-threatening condition among the options provided. Heat stroke occurs when the body's temperature regulation system fails, leading to a dangerously high body temperature. This can result in organ damage and even death if not treated promptly. Heat cramps and heat exhaustion, on the other hand, are less severe conditions that can usually be managed with rest, hydration, and cooling measures.Rate this question:
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- 11.
When you are working near moving vehicles and equipment, which of the following is the best way to protect yourself?
- A.
Wear a reflective vest
- B.
Have a signaler direct you
- C.
Set up reflective flags in your work area
Correct Answer
A. Wear a reflective vestExplanation
Wearing a reflective vest is the best way to protect yourself when working near moving vehicles and equipment. A reflective vest increases your visibility, making it easier for drivers and operators to see you and avoid any potential accidents. It serves as a safety precaution by alerting others of your presence and reducing the risk of being struck by a vehicle or equipment. Wearing a reflective vest ensures that you are easily recognizable and helps to maintain a safe working environment.Rate this question:
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- 12.
All soil should be treated as if it is __________ to prevent cave-ins while excavating or trenching.
- A.
Type A
- B.
Type B
- C.
Type C
Correct Answer
C. Type CExplanation
All soil should be treated as if it is Type C to prevent cave-ins while excavating or trenching. Type C soil is the most unstable and has the highest risk of cave-ins. Treating all soil as Type C ensures that proper safety measures are taken to prevent accidents and protect workers.Rate this question:
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- 13.
What common grounding system is used to protect against accidental electrical shock?
- A.
Three-wire
- B.
Two-wire
- C.
GFCI
Correct Answer
A. Three-wireExplanation
The correct answer is three-wire. A three-wire grounding system is commonly used to protect against accidental electrical shock. This system includes a hot wire, a neutral wire, and a ground wire. The ground wire provides a path for electrical current to safely flow into the ground in the event of a fault or short circuit, preventing the user from getting shocked. This grounding system is crucial for ensuring electrical safety in buildings and appliances.Rate this question:
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- 14.
Which device carries its own air supply in a compressed air tank?
- A.
SCBA
- B.
Supplied air mask
- C.
Half mask
Correct Answer
A. SCBAExplanation
SCBA stands for Self-Contained Breathing Apparatus. It is a device that carries its own air supply in a compressed air tank. This allows the user to have a continuous supply of breathable air, independent of the surrounding environment. It is commonly used by firefighters, rescue workers, and in other hazardous environments where the air quality may be compromised.Rate this question:
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- 15.
Which mask uses a remote air tank?
- A.
Supplied air mask
- B.
SCBA
- C.
Half mask
Correct Answer
A. Supplied air maskExplanation
A supplied air mask is the type of mask that uses a remote air tank. This means that the mask is connected to a separate air tank through a hose, allowing the wearer to breathe in clean and filtered air from a remote source. This is particularly useful in situations where the air quality is compromised or in environments with limited oxygen supply. SCBA stands for Self-Contained Breathing Apparatus and refers to a type of mask that has its own built-in air supply, while a half mask only covers the mouth and nose and does not use a remote air tank.Rate this question:
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- 16.
Which mask protects against exposure to gases or fumes?
- A.
Full facepiece mask with chemical canisters
- B.
Half mask
- C.
SCBA
Correct Answer
A. Full facepiece mask with chemical canistersExplanation
The full facepiece mask with chemical canisters is the correct answer because it provides protection against exposure to gases or fumes. This type of mask covers the entire face and has canisters that filter out harmful chemicals, ensuring that the wearer is not exposed to them. The half mask, on the other hand, only covers the nose and mouth and may not provide adequate protection against gases or fumes. SCBA stands for Self-Contained Breathing Apparatus and is typically used in more hazardous environments where there is a lack of oxygen or presence of toxic gases.Rate this question:
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- 17.
Which mask uses a mechanical filter to prevent inhalation of dust or other small particles?
- A.
Half mask
- B.
SCBA
- C.
Supplied air mask
Correct Answer
A. Half maskExplanation
A half mask is the correct answer because it uses a mechanical filter to prevent the inhalation of dust or other small particles. This type of mask covers the nose and mouth, providing a barrier against airborne contaminants. The mechanical filter, typically made of fibrous material, traps and blocks particles, ensuring that they do not enter the respiratory system. This makes the half mask an effective protective measure in environments where dust or small particles are present.Rate this question:
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- 18.
To prevent ear infections, ear plugs should be cleaned with what?
- A.
Soap and water
- B.
Bleach
- C.
Alcohol
Correct Answer
A. Soap and waterExplanation
Ear plugs should be cleaned with soap and water to prevent ear infections. This is because soap and water can effectively remove dirt, bacteria, and other contaminants from the ear plugs, reducing the risk of infection. Bleach and alcohol may be too harsh for cleaning ear plugs and can potentially damage the material or irritate the ears. Therefore, soap and water are the recommended cleaning agents for maintaining the cleanliness and hygiene of ear plugs.Rate this question:
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- 19.
Every power tool should use a ground program such as _____________.
- A.
GFCI
- B.
Safety guard
- C.
Power strip
Correct Answer
A. GFCIExplanation
Every power tool should use a ground program such as GFCI. GFCI stands for Ground Fault Circuit Interrupter, which is a safety device that protects against electrical shock. It works by quickly shutting off power to the tool if it detects any imbalance in the electrical current. This is important because it prevents the user from getting electrocuted in case of a fault or malfunction. Using a GFCI is a standard safety practice when using power tools to ensure the protection of the user.Rate this question:
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- 20.
Exposure for long periods of time to asbestos can cause lunch cancer, asbestosis, and ___________.
- A.
Black lung
- B.
Mesothelioma
- C.
Pneumonia
Correct Answer
B. MesotheliomaExplanation
Exposure to asbestos for extended periods can lead to lung cancer, asbestosis, and mesothelioma. Mesothelioma is a rare and aggressive form of cancer that affects the lining of the lungs, abdomen, or heart. It is primarily caused by asbestos exposure and can take several years or even decades to develop. Symptoms of mesothelioma include chest pain, shortness of breath, fatigue, and weight loss. The prognosis for mesothelioma is often poor, as it is typically diagnosed in advanced stages.Rate this question:
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- 21.
Toeboards, debris nets, and canopies are protective measures used to prevent what?
- A.
Falling objects from striking people
- B.
Vehicles from striking people
- C.
Equipment rollover
Correct Answer
A. Falling objects from striking peopleExplanation
Toeboards, debris nets, and canopies are protective measures used to prevent falling objects from striking people. Toeboards are barriers installed at the edges of elevated platforms or work areas to prevent tools, materials, or debris from falling off. Debris nets are safety nets that catch and contain falling objects, preventing them from reaching the ground or striking workers below. Canopies are overhead protective structures that shield workers from falling objects. These measures are essential in construction or industrial settings where there is a risk of objects being dropped or dislodged from heights, ensuring the safety of workers below.Rate this question:
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- 22.
Charred sections of a welding hose are caused by what?
- A.
Flashback
- B.
Arc weld
- C.
Fire
Correct Answer
A. FlashbackExplanation
Charred sections of a welding hose are caused by flashback. Flashback is a dangerous situation that occurs when the flame from a welding torch travels back into the hose, causing it to burn and char. This can happen due to a variety of reasons, such as improper gas pressure, incorrect torch adjustments, or blockages in the hose. Flashback can be extremely hazardous as it can lead to explosions or fires, and it is important to take proper precautions to prevent it from happening.Rate this question:
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- 23.
What system is used to protect workers from hazardous energy when they are working with equipment?
- A.
Lockout/tagout
- B.
Barricade
- C.
GFCI
Correct Answer
A. Lockout/tagoutExplanation
Lockout/tagout is a system used to protect workers from hazardous energy when they are working with equipment. This system involves isolating the equipment from its energy source and using locks and tags to prevent it from being accidentally energized. By implementing lockout/tagout procedures, workers can safely perform maintenance or repairs on equipment without the risk of unexpected energy release, reducing the likelihood of accidents and injuries. Barricades may be used for other safety purposes, and GFCI (Ground Fault Circuit Interrupter) protects against electrical shock but does not specifically address hazardous energy from equipment.Rate this question:
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- 24.
Which type of gloves should be inspected for air leaks by trapping air inside and squeezing?
- A.
Rubber-insulated gloves
- B.
Cloth gloves
- C.
Leather gloves
Correct Answer
A. Rubber-insulated glovesExplanation
Rubber-insulated gloves should be inspected for air leaks by trapping air inside and squeezing because rubber is a non-porous material that does not allow air to pass through easily. By trapping air inside the gloves and squeezing them, any leaks or holes in the rubber material can be identified. This is important for ensuring the gloves provide proper insulation and protection against electrical hazards. Cloth and leather gloves, on the other hand, are porous materials that allow air to pass through, so this method of inspection would not be effective for them.Rate this question:
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- 25.
A machine guard is used to protect the worker from what?
- A.
Rotating parts
- B.
Safety switch
- C.
Frayed wires
Correct Answer
A. Rotating partsExplanation
A machine guard is used to protect the worker from rotating parts. This is because rotating parts can pose a significant risk of injury to workers if they come into contact with them. The machine guard acts as a physical barrier, preventing workers from accessing or accidentally touching the rotating parts, thereby reducing the risk of accidents and injuries.Rate this question:
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- 26.
Who should direct you if you are backing a vehicle and your rear vision is blocked?
- A.
Signaler
- B.
Supervisor
- C.
CEO
Correct Answer
A. SignalerExplanation
When backing a vehicle and your rear vision is blocked, a signaler should direct you. A signaler is a person who assists the driver by providing guidance and signals to ensure safe and accurate maneuvering. They are responsible for communicating with the driver and indicating when it is safe to proceed, especially in situations where the driver's rear vision is obstructed. The signaler's role is crucial in preventing accidents and ensuring the smooth and efficient movement of the vehicle.Rate this question:
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Current Version
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Feb 27, 2024Quiz Edited by
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Jun 03, 2013Quiz Created by
Phillipssg
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