Property Maintenance Experience Quiz

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| By Steve
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Steve
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Quizzes Created: 2 | Total Attempts: 1,661
Questions: 100 | Attempts: 297

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Property Maintenance Experience Quiz - Quiz

Do you love tinkering and solving manual problems?
Would you like to be appreciated for your creative skills, problem-solving abilities and keeping an entire apartment complex running smoothly because you're in charge of maintenance?
We'd love to work with you. Show us your skills and we'll make it happen.


Questions and Answers
  • 1. 

    People are judged on their appearance, so, it is important to present a clean, organized and professional image to your residents.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The explanation for the correct answer "True" is that people are indeed judged on their appearance. When interacting with residents, it is important to make a good impression by presenting oneself in a clean, organized, and professional manner. This can help to establish trust, credibility, and a positive perception among residents.

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  • 2. 

    On a 110-volt circuit, the hot wire is normally:

    • A.

      White

    • B.

      Black or Red

    • C.

      Green or bare wire

    • D.

      Yellow

    Correct Answer
    B. Black or Red
    Explanation
    On a 110-volt circuit, the hot wire is normally black or red. This is because black and red wires are typically used for carrying the current from the power source to the electrical device. The hot wire is the wire that carries the electrical current and is typically connected to the brass or gold-colored terminal on an outlet or switch. The black or red color is used to easily identify the hot wire and distinguish it from other wires in the circuit.

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  • 3. 

    What is the purpose of a squirrel cage?

    • A.

      To move air through the handler

    • B.

      To cool circulation pump

    • C.

      None of the above

    • D.

      All of the above

    Correct Answer
    A. To move air through the handler
    Explanation
    A squirrel cage is a type of fan or blower that is used to move air through the handler. It is designed with a cylindrical shape and curved blades that resemble a hamster wheel or a squirrel cage, hence the name. This type of fan is commonly used in HVAC systems to circulate air and maintain proper airflow throughout the system. It is not used to cool a circulation pump or for any other purpose mentioned in the options. Therefore, the correct answer is "To move air through the handler."

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  • 4. 

    Quality of tools may reflect the quality of work.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement suggests that the quality of the tools used can be an indicator of the quality of the work being done. This means that if high-quality tools are used, it is likely that the work being done will also be of high quality. On the other hand, if low-quality tools are used, it may indicate that the work being done is of lower quality. Therefore, the correct answer is true.

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  • 5. 

    Where is a fuse link located?

    • A.

      In a fuse box

    • B.

      On a heat coil

    • C.

      On a stove element

    • D.

      None of the above

    Correct Answer
    B. On a heat coil
    Explanation
    A fuse link is located on a heat coil. This is where the fuse link is typically installed to protect the heat coil from overheating or short-circuiting. It acts as a safety mechanism to prevent damage to the heat coil and the surrounding components.

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  • 6. 

    Where is a joist found?

    • A.

      Floor

    • B.

      Wall

    • C.

      Stair

    • D.

      Corner

    Correct Answer
    A. Floor
    Explanation
    Joists are typically found in the floor of a building. They are horizontal structural elements that provide support and stability to the floor above. Joists are commonly made of wood or steel and are spaced apart to distribute the weight of the floor and any loads placed on it. They play a crucial role in maintaining the integrity and strength of the floor structure.

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  • 7. 

    On most garbage disposals, where is the reset button located?

    • A.

      In the breaker box

    • B.

      On the outlet nearest the disposal

    • C.

      On the bottom of the disposal

    • D.

      On the nearest wall

    Correct Answer
    C. On the bottom of the disposal
    Explanation
    The reset button on most garbage disposals is located on the bottom of the disposal. This button is used to reset the disposal in case it gets overloaded or jammed. By pressing the reset button, the motor of the disposal can be restarted and any obstructions can be cleared.

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  • 8. 

    A copy of the service request should be left in every occupied apartment after completion to let the resident know what service has been completed.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Leaving a copy of the service request in every occupied apartment after completion is a good practice because it informs the resident about the service that has been completed. This helps in maintaining transparency and communication between the service provider and the resident. It also serves as a record for both parties in case any issues or disputes arise in the future. Therefore, the statement is true.

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  • 9. 

    Why should you pull a vacuum?

    • A.

      Check for leaks

    • B.

      Remove impurities

    • C.

      Extend the life of the unit

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Pulling a vacuum is necessary in order to check for leaks, remove impurities, and extend the life of the unit. Checking for leaks is important to ensure that the system is properly sealed and functioning efficiently. Removing impurities helps to maintain the cleanliness and performance of the unit. Pulling a vacuum also helps to extend the life of the unit by reducing the risk of damage or malfunction caused by contaminants or air pockets. Therefore, all of the given options are valid reasons for pulling a vacuum.

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  • 10. 

    What kind of freon would you suggest for use in an apartment freezer?

    • A.

      R 12

    • B.

      R 22

    • C.

      R 302

    • D.

      R 202

    Correct Answer
    A. R 12
  • 11. 

    Older refrigerators contain which type of freon:

    • A.

      R 22

    • B.

      R 12

    • C.

      R 502

    • D.

      R 602

    Correct Answer
    B. R 12
    Explanation
    Older refrigerators contain R 12 freon.

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  • 12. 

    Where is the bibb seat located?

    • A.

      In a faucet

    • B.

      On a toilet

    • C.

      None of the above

    • D.

      All of the above

    Correct Answer
    A. In a faucet
    Explanation
    The bibb seat is located in a faucet.

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  • 13. 

    As the hot water heater tank is being filled up, you should:

    • A.

      Clean it up

    • B.

      Flush the toilet

    • C.

      Purge the tank of air

    • D.

      None of the above

    Correct Answer
    C. Purge the tank of air
    Explanation
    When filling up a hot water heater tank, it is important to purge the tank of air. This is because air can get trapped in the tank during the filling process, which can cause issues with the functioning of the heater. Purging the tank of air ensures that the water can flow freely and that the heater can operate efficiently. Cleaning up or flushing the toilet are unrelated tasks and would not be necessary when filling up a hot water heater tank. Therefore, the correct answer is to purge the tank of air.

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  • 14. 

    What kind of freon is used in central air conditioning?

    • A.

      R 12

    • B.

      R 11

    • C.

      R 22

    • D.

      R 21

    Correct Answer
    C. R 22
    Explanation
    R 22 is the correct answer for the type of freon used in central air conditioning. Freon, also known as refrigerant, is a chemical compound that helps in cooling and air conditioning systems. R 22, also known as chlorodifluoromethane, is the most commonly used freon in central air conditioning systems. It is preferred due to its high efficiency in cooling and its compatibility with the components of the air conditioning system.

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  • 15. 

    Taking heat out of the air will do what to the air temperature?

    • A.

      Raise

    • B.

      Lower

    • C.

      Stabilize

    • D.

      None of the above

    Correct Answer
    B. Lower
    Explanation
    When heat is taken out of the air, it means that the air is being cooled down. Therefore, the temperature of the air will decrease or lower.

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  • 16. 

    When charging, vapor should be added to the ____ side of the compressor.

    • A.

      High

    • B.

      Low

    • C.

      Liquid

    • D.

      Left

    Correct Answer
    B. Low
    Explanation
    When charging, vapor should be added to the low side of the compressor. This is because the low side is where the refrigerant enters the compressor in its gaseous state. By adding vapor to the low side, it helps to maintain the proper pressure and temperature balance within the system, allowing for efficient and effective operation of the compressor.

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  • 17. 

    R-134A is a drop in replacement for R-12.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    R-134A is not a drop-in replacement for R-12. While both are refrigerants used in air conditioning systems, they have different chemical compositions and properties. R-134A was introduced as a more environmentally friendly alternative to R-12, which is a chlorofluorocarbon (CFC) and has been phased out due to its harmful effects on the ozone layer. Therefore, in order to switch from R-12 to R-134A, modifications to the system are required.

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  • 18. 

    What is the best product to use to thin or clean up latex paint?

    • A.

      Varsal

    • B.

      Water

    • C.

      Paint thinner

    • D.

      Turpentine

    Correct Answer
    B. Water
    Explanation
    Water is the best product to use to thin or clean up latex paint. Latex paint is water-based, so using water to thin it or clean up any spills or brushes is the most effective and recommended method. Water is readily available, inexpensive, and safe to use, making it the ideal choice for this purpose. Varsal, paint thinner, and turpentine are not suitable for thinning or cleaning up latex paint as they are solvent-based and can damage the paint or create fumes that are harmful to inhale.

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  • 19. 

    Low voltage means:

    • A.

      Less than 220 volts

    • B.

      Less than 460 volts

    • C.

      110 volt

    • D.

      Less than 30 volts (usually 24)

    Correct Answer
    D. Less than 30 volts (usually 24)
    Explanation
    Low voltage refers to electrical systems or devices that operate at a voltage level below a certain threshold. In this case, the correct answer is "Less than 30 volts (usually 24)". This means that low voltage is typically considered to be any voltage below 30 volts, with 24 volts being a common example. It is important to note that low voltage is significantly lower than the standard household voltage of 110 volts and industrial voltage of 220 volts.

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  • 20. 

    Picking up litter on the property is every employee's business; there are no exceptions.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    This statement indicates that picking up litter on the property is a responsibility that applies to every employee, without any exceptions. This suggests that all employees are expected to contribute to maintaining cleanliness and tidiness on the property, regardless of their position or role within the organization.

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  • 21. 

    When wiring a new wall receptacle, the silver screw is for:

    • A.

      Ground wire

    • B.

      Neutrel Wire

    • C.

      Hot wire

    • D.

      None of the above

    Correct Answer
    B. Neutrel Wire
    Explanation
    The silver screw is used for connecting the neutral wire when wiring a new wall receptacle. The neutral wire carries the return current from the electrical device back to the power source. It is typically color-coded white or gray and is an essential part of the electrical circuit. The silver screw provides a secure and reliable connection for the neutral wire, ensuring proper functioning of the receptacle.

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  • 22. 

    Apartment #2 is underneath Apartment #12. The occupants in #2 say that water is coming into their bathroom through the overhead vent every time the residents upstairs take a shower.  What is the probable cause?

    • A.

      Shower drain pipe is leaking

    • B.

      No shower curtain in apt #12

    • C.

      Leak in the pipe between the director and showerhead

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The probable cause is that all of the above options are correct. The leaking shower drain pipe could be causing water to flow downwards and enter Apartment #2 through the overhead vent. Additionally, the absence of a shower curtain in Apartment #12 could result in water splashing out and causing leakage. Furthermore, a leak in the pipe between the director and showerhead could also be contributing to the water entering Apartment #2.

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  • 23. 

    What is a swagging tool used for?

    • A.

      Enlarging copper tubing

    • B.

      Connecting PVC pipe joints

    • C.

      Joining electrical wires

    • D.

      None of the above

    Correct Answer
    A. Enlarging copper tubing
    Explanation
    A swagging tool is used for enlarging copper tubing. It is a tool that is used to expand the diameter of copper tubing, allowing for a tighter and more secure connection. This can be useful in various applications such as plumbing or HVAC systems where copper tubing is commonly used.

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  • 24. 

    What is one purpose of shutoff valves on the compressor during installation and when servicing?

    • A.

      Too allow you to overheat the compressor to check for leaks

    • B.

      Too allow the freon to be saved while servicing the unit

    • C.

      Too regulate or shut-off electrical current to the condensor

    • D.

      None of the above

    Correct Answer
    B. Too allow the freon to be saved while servicing the unit
    Explanation
    Shutoff valves on the compressor are installed and used during servicing to allow the freon to be saved. By shutting off the valves, the flow of freon can be stopped, preventing any leaks or loss of the refrigerant. This allows for efficient servicing and maintenance of the unit without wasting the freon.

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  • 25. 

    The pilot light on a standing pilot water heater won't stay lit. What might be causing the problem?

    • A.

      The ignitor

    • B.

      The thermocouple

    • C.

      The theromostat

    • D.

      None of the above

    Correct Answer
    B. The thermocouple
    Explanation
    The thermocouple is a device that senses the presence of a flame in the pilot light. If the thermocouple is faulty or not positioned correctly, it may not be able to detect the flame, causing it to shut off the gas supply to the pilot light. This would result in the pilot light not staying lit. Therefore, the thermocouple is likely causing the problem.

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  • 26. 

    How many BTUs are in a ton?

    • A.

      16000

    • B.

      10000

    • C.

      12000

    • D.

      None of the above

    Correct Answer
    C. 12000
    Explanation
    A BTU (British Thermal Unit) is a unit of energy commonly used in the United States. It is the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. A ton, in this context, refers to a unit of cooling capacity commonly used in the air conditioning industry. One ton of cooling capacity is equal to 12,000 BTUs per hour. Therefore, the correct answer is 12000.

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  • 27. 

    Water is continually running out of the wall behind the toilet. What could be the cause?

    • A.

      Cut off valve leaking

    • B.

      Break or leak in supply line

    • C.

      Damaged ballcock

    • D.

      All of the above

    Correct Answer
    B. Break or leak in supply line
    Explanation
    The correct answer is "Break or leak in supply line." This is because a break or leak in the supply line that connects the toilet to the water source can cause water to continuously run out of the wall behind the toilet. This can happen if the supply line gets damaged or develops a leak, allowing water to escape and flow out of the wall.

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  • 28. 

    Service requests should be filled out completely and signed before returning to the manager or office staff.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Service requests should be filled out completely and signed before returning to the manager or office staff to ensure that all necessary information is provided and to verify the authenticity of the request. By completing the form and signing it, the requester takes responsibility for the accuracy and validity of the information provided. This helps in streamlining the process and avoiding any delays or misunderstandings in fulfilling the service request. Therefore, the statement is true.

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  • 29. 

    When working on a defective breaker, what is the first thing you should do?

    • A.

      Remove the breaker

    • B.

      Shut-off the breaker

    • C.

      Turn off the main line breaker

    • D.

      None of the above

    Correct Answer
    C. Turn off the main line breaker
    Explanation
    The first thing you should do when working on a defective breaker is to turn off the main line breaker. This is important to ensure that there is no power running through the breaker and to prevent any potential electrical hazards. Removing the breaker or shutting it off alone may not be sufficient to guarantee safety, as there could still be live electrical currents present in the system. Therefore, turning off the main line breaker is the correct and safest course of action.

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  • 30. 

    What is the purpose of a cap (capillary) tube?

    • A.

      Too meter refrigerant of the evaporator

    • B.

      Too keep the condenser from being over charged

    • C.

      All of the above

    • D.

      None of the above

    Correct Answer
    A. Too meter refrigerant of the evaporator
    Explanation
    The purpose of a capillary tube is to meter the refrigerant flow to the evaporator. It acts as a restriction in the refrigerant system, allowing only a certain amount of refrigerant to pass through at a time. This helps to regulate the flow and ensure that the evaporator is receiving the correct amount of refrigerant for efficient cooling.

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  • 31. 

    In roofing, a square (measurement) is an area of:

    • A.

      1 ft x 1 ft

    • B.

      10 ft x 10 ft

    • C.

      100 ft x 100 ft

    • D.

      None of the above

    Correct Answer
    B. 10 ft x 10 ft
    Explanation
    A square in roofing measurement refers to an area of 10 ft x 10 ft. This means that a square is a measurement unit used to quantify the area of a roof, with each square representing 100 square feet. This measurement is commonly used in the roofing industry to estimate the amount of materials needed for a roofing project.

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  • 32. 

    How many 4 inch x 4 inch ceramic tiles would it take to cover a 120 square foot area?

    • A.

      360

    • B.

      720

    • C.

      1080

    • D.

      None of the above

    Correct Answer
    C. 1080
    Explanation
    To find the number of tiles needed to cover a 120 square foot area, we need to convert the area to square inches. Since there are 12 inches in a foot, the area in square inches would be 120 * 12 * 12 = 17,280 square inches. Each tile is 4 inches by 4 inches, so the area of one tile is 4 * 4 = 16 square inches. To cover the entire area, we would need 17,280 / 16 = 1,080 tiles. Therefore, the correct answer is 1080.

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  • 33. 

    Algae are microscopic plant life.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Algae are microscopic plant life because they are photosynthetic organisms that can produce their own food using sunlight, carbon dioxide, and water, just like other plants. They are typically found in aquatic environments, ranging from freshwater to marine habitats. Algae can be single-celled or multicellular and come in various shapes and sizes. They play a crucial role in the ecosystem by producing oxygen, serving as a food source for other organisms, and contributing to the overall balance of aquatic ecosystems.

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  • 34. 

    Most gas water heaters have two (2) regulators. The one on the meter should be adjusted only by the utility company.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Gas water heaters typically have two regulators, one on the meter and one on the water heater itself. The regulator on the meter is typically adjusted and maintained by the utility company, as they are responsible for ensuring the safe and efficient operation of the gas supply. It is important for homeowners to not attempt to adjust or tamper with the regulator on the meter, as it can lead to safety hazards or damage to the gas system. Therefore, the statement that the regulator on the meter should be adjusted only by the utility company is true.

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  • 35. 

    The heat in an oven cannot be controlled. The possible problem is:

    • A.

      Circuit breaker has tripped

    • B.

      Bad switch

    • C.

      Bad thermostat

    • D.

      Bad coil

    Correct Answer
    C. Bad thermostat
    Explanation
    A bad thermostat can cause the heat in an oven to be uncontrolled. The thermostat is responsible for regulating the temperature in the oven, so if it is faulty or not functioning properly, it may not be able to accurately control the heat. This can result in the oven becoming too hot or not reaching the desired temperature.

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  • 36. 

    Which of the following would NOT cause a toilet to continually run?

    • A.

      Pour float adjustment

    • B.

      Broken flapper chain

    • C.

      Flapper chain to long and caught under flap

    • D.

      All of the above

    Correct Answer
    B. Broken flapper chain
    Explanation
    A broken flapper chain would not cause a toilet to continually run because the flapper chain is responsible for lifting the flapper valve to allow water to flow into the toilet bowl. If the chain is broken, the flapper valve would not be able to lift properly, resulting in the toilet not flushing at all rather than running continuously.

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  • 37. 

    If a dishwasher hums, but the motor will not run, the probable cause is:

    • A.

      The fill valve solenoid is malfunctioning

    • B.

      The seal is frozen

    • C.

      The timer is malfunctioning

    • D.

      The wrong type of soap was added

    Correct Answer
    B. The seal is frozen
    Explanation
    If a dishwasher hums but the motor will not run, the probable cause is that the seal is frozen. When the seal is frozen, it prevents the motor from running properly. This can happen due to a buildup of ice or frost around the seal, which restricts its movement. This issue can be resolved by thawing the seal and ensuring that it is clean and free from any obstructions.

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  • 38. 

    Muriatic acid is used to ____ the pH level in a pool.

    • A.

      Raise

    • B.

      Lower

    • C.

      Stabilize

    • D.

      None of the above

    Correct Answer
    B. Lower
    Explanation
    Muriatic acid is a strong acid that is commonly used in pools to lower the pH level. When the pH level of a pool is too high, it can lead to several problems such as reduced effectiveness of chlorine, cloudy water, and skin and eye irritation. By adding muriatic acid to the pool, it helps to neutralize the alkalinity and lower the pH level, creating a more balanced and comfortable swimming environment. Therefore, the correct answer is "Lower".

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  • 39. 

    Never mix two pool maintenance chemicals together.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Mixing two pool maintenance chemicals together can be dangerous and potentially harmful. Certain chemicals can react with each other, causing toxic fumes, explosions, or other hazardous reactions. It is important to always follow the instructions and guidelines provided by the manufacturer for each chemical and avoid mixing them to ensure the safety of yourself and others.

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  • 40. 

    Most residential wiring is three phase.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
  • 41. 

    On which appliance would you find a hot wire relay?

    • A.

      Stove

    • B.

      Refrigerator

    • C.

      Dishwasher

    • D.

      Hot water heater

    Correct Answer
    B. Refrigerator
    Explanation
    A hot wire relay is typically found in a refrigerator. This component is responsible for controlling the flow of electricity to various parts of the refrigerator, such as the compressor and the condenser fan motor. It helps regulate the temperature inside the refrigerator by turning these components on and off as needed. Without a hot wire relay, the refrigerator may not function properly or may not cool effectively. Therefore, it is an essential part of the refrigerator's electrical system.

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  • 42. 

    Where do you find a flapper?

    • A.

      In a dishwasher

    • B.

      In a toilet tank

    • C.

      In a water heater

    • D.

      In a oven

    Correct Answer
    B. In a toilet tank
    Explanation
    A flapper is a rubber valve that controls the flow of water from the toilet tank into the bowl. When the toilet is flushed, the flapper lifts, allowing water to flow into the bowl, and then closes to stop the flow. Therefore, the correct answer is "In a toilet tank" because that is where the flapper is located.

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  • 43. 

    Which process uses Pentrox Solution?

    • A.

      Aluminum to copper connections

    • B.

      PVC pipe connections

    • C.

      Cleaning ground wires

    • D.

      All of the above

    Correct Answer
    A. Aluminum to copper connections
    Explanation
    Pentrox Solution is used for Aluminum to copper connections.

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  • 44. 

    What is the approximate pressure of an air conditioning unit on a 90 degree day?

    • A.

      Suction 80, Head 120

    • B.

      Suction 65, Head 270

    • C.

      Suction 40, Head 325

    • D.

      Suction 20, Head 250

    Correct Answer
    B. Suction 65, Head 270
    Explanation
    The approximate pressure of an air conditioning unit on a 90 degree day is determined by the suction and head values. In this case, the correct answer is Suction 65, Head 270. This combination of suction and head values indicates the appropriate pressure for the air conditioning unit to effectively cool the air on a hot day.

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  • 45. 

    A sequencer is used in:

    • A.

      Heating and air conditioning

    • B.

      Plumbing

    • C.

      Outside lighting

    • D.

      None of the above

    Correct Answer
    A. Heating and air conditioning
    Explanation
    A sequencer is a device used to control the timing and sequence of operations in a system. In the context of heating and air conditioning, a sequencer can be used to control the operation of various components such as the heating elements, fans, and compressors in a specific order. This ensures that the system operates efficiently and effectively, providing the desired temperature and comfort level. Therefore, it is correct to say that a sequencer is used in heating and air conditioning systems.

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  • 46. 

    An iced up evaporator is usually a sign of insufficient air through the evaporator coils or:

    • A.

      Low charge

    • B.

      High charge

    • C.

      None of the above

    • D.

      All of the above

    Correct Answer
    A. Low charge
    Explanation
    An iced up evaporator is usually a sign of low charge. When there is insufficient refrigerant in the system, the evaporator coils do not receive enough refrigerant to properly absorb heat from the air. As a result, the temperature of the evaporator coils drops below freezing, causing moisture in the air to freeze and form ice on the coils. This can lead to reduced cooling efficiency and potentially damage the compressor if not addressed.

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  • 47. 

    What kind of head pressure would you experience if the condenser fan motor became inoperative?

    • A.

      No effect

    • B.

      Very Low

    • C.

      Very High

    • D.

      None of the above

    Correct Answer
    C. Very High
    Explanation
    If the condenser fan motor becomes inoperative, it means that the fan is not functioning to remove heat from the condenser. This would result in a buildup of heat and pressure in the condenser. Without the fan to dissipate the heat, the head pressure in the system would increase significantly, leading to a very high head pressure.

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  • 48. 

    A resident calls and complains that soap bubbles run out of the dishwasher when she runs it.  A probable cause is:

    • A.

      The drain is clogged

    • B.

      The resident used hand dishwashing soap instead of automatic dishwashing soap

    • C.

      Thd dishwasher is to full

    • D.

      All of the above

    Correct Answer
    B. The resident used hand dishwashing soap instead of automatic dishwashing soap
    Explanation
    The most probable cause for soap bubbles running out of the dishwasher is that the resident used hand dishwashing soap instead of automatic dishwashing soap. Hand dishwashing soap creates more suds and is not designed for use in dishwashers, which can lead to excessive sudsing and overflow. The other options, such as a clogged drain or the dishwasher being too full, can also cause issues, but using the wrong type of soap is the most likely cause in this scenario.

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  • 49. 

    When should a pool filter be backwashed?

    • A.

      Everyday

    • B.

      When the water starts to look milky

    • C.

      According to the pressure

    • D.

      Monthly

    Correct Answer
    C. According to the pressure
    Explanation
    A pool filter should be backwashed according to the pressure because backwashing is a process used to clean the filter by reversing the flow of water and flushing out any trapped debris. When the pressure in the filter reaches a certain level, it indicates that the filter is becoming clogged and needs to be backwashed to maintain proper filtration. Backwashing on a regular basis helps to keep the pool water clean and clear.

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  • 50. 

    What is the purpose of a breaker in an electrical circuit?

    • A.

      To route electrical currents

    • B.

      Overload protection

    • C.

      All of the above

    • D.

      None of the above

    Correct Answer
    B. Overload protection
    Explanation
    A breaker in an electrical circuit serves the purpose of providing overload protection. It is designed to automatically disconnect the circuit when there is an excessive amount of current flowing through it, preventing damage to the circuit and potential hazards such as overheating, fires, or electrical shocks. By tripping the breaker, it interrupts the flow of electricity, ensuring the safety of the circuit and the connected devices.

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