CAMT Exam With Correct Solutions.
The thermostat located inside of a clothes dryer ensures that which other component
turns on and off as needed? Answer- Heating element
Which type of voltage is used by HVAC controls and thermostats? Answer- 24 V
A maintenance technician smells a strong odor of gas while standing next to a water heater that is undergoing some repairs. The room is dimly lit, but the technician believes the gas is leaking from the water heater. Before leaving the area, which step would be MOST appropriate for the technician to take? Answer- Open access doors and windows to allow more airflow
What are the three sections of a plumbing system? Answer- Distribution, waste, and
supply
Which component is a safety device that ensures that the heating element of a heating system switches off during a malfunction? Answer- Fusible link
Which unit of measure refers to the resistance within an electrical device? Answer- Ohms
Which component of a fluorescent light fixture limits the current through the electrical
load? Answer- Breaker
What should wrap around the tip of the thermocouple when correctly installed in a gas water heater? Answer- Pilot flame
During preparation to charge the refrigerant lines of an R-410A-based system, the lines should be evacuated by vacuum to which micron level? Answer- 250
Which article is MOST hazardous to wear when performing maintenance activities? Answer- Metal necklace
If defective, which component would prevent a clothes dryer from turning on? Answer- ^ Door switch
Which problem is MOST likely the result of a defective element in an electric kitchen range? Answer- The oven does not heat above 200 蚌.
A defective timer switch in a washing machine can be the source of all of the following problems EXCEPT: Answer- An out-of-balance machine
While inspecting an apartment home, a maintenance technician notices poor air circulation. The air coming out of the vents is very low pressure; however, the blower
seems to be running adequately. Which issue is the MOST likely cause of the poor air flow throughout the home? Answer- Heavily clogged air filter Which tool is used to check voltage, ohms, and amperage in an air conditioning system? Answer- Multimeter
Residents should be warned that all of the following materials can be put in a garbage disposal EXCEPT: Answer- Chicken bones
When a refrigerator is freezing up, it can be the result of a defect in any of the following components EXCEPT the: Answer- Fill valve.
Which method is BEST for achieving a smooth joint when removing excess caulk? Answer- Wiping with a wet finger
Which phrase describes the BEST way to prioritize maintenance work that is not an emergency situation? Answer- First-come, first-served
Which reason BEST describes why electrical tools have insulated handles? Answer-
To prevent users from being shocked or electrocuted through the tools
OSHA regulations mandate that employers: Answer- Train employees to protect themselves and others
Which type of voltage is used by standard residential electrical outlets? Answer- 120
V
How does a system that has a Seasonal Energy Efficiency Ratio (SEER) of 15 compare to a system that has a SEER of 13? Answer- The system with a SEER of 15 is more efficient.
Which statement is TRUE regarding an upgrade from an R-22-based system to an R-410A-based system? Answer- The brazing methods recommended for the copper
lines are the same.
Which emission is a dangerous byproduct of gas heating systems? Answer- Carbon
monoxide
Which instruction should be followed during the brazing of copper lines of an R-
410A-based system? Answer- Allow dry nitrogen to flow through the lines with no pressure.
Which component of an air conditioning system pumps the refrigerant throughout the
system? Answer- Compressor
In which circumstance will a pressure relief valve release the pressure in a water heater? Answer- The tank is pressurized above its limits.
Which mandatory procedure ensures that machines are rendered inoperative and are not hazardous to maintenance technicians while they are performing work? Answer- Lockout/tagout
The thermostat located inside of a clothes dryer ensures that which other component
turns on and off as needed? Answer- Heating element
Which type of voltage is used by HVAC controls and thermostats? Answer- 24 V
A maintenance technician smells a strong odor of gas while standing next to a water heater that is undergoing some repairs. The room is dimly lit, but the technician believes the gas is leaking from the water heater. Before leaving the area, which step would be MOST appropriate for the technician to take? Answer- Open access doors and windows to allow more airflow
What are the three sections of a plumbing system? Answer- Distribution, waste, and
supply
Which component is a safety device that ensures that the heating element of a heating system switches off during a malfunction? Answer- Fusible link
Which unit of measure refers to the resistance within an electrical device? Answer- Ohms
Which component of a fluorescent light fixture limits the current through the electrical
load? Answer- Breaker
What should wrap around the tip of the thermocouple when correctly installed in a gas water heater? Answer- Pilot flame
During preparation to charge the refrigerant lines of an R-410A-based system, the lines should be evacuated by vacuum to which micron level? Answer- 250
Which article is MOST hazardous to wear when performing maintenance activities? Answer- Metal necklace
If defective, which component would prevent a clothes dryer from turning on? Answer- ^ Door switch
Which problem is MOST likely the result of a defective element in an electric kitchen range? Answer- The oven does not heat above 200 蚌.
A defective timer switch in a washing machine can be the source of all of the following problems EXCEPT: Answer- An out-of-balance machine
While inspecting an apartment home, a maintenance technician notices poor air circulation. The air coming out of the vents is very low pressure; however, the blower
seems to be running adequately. Which issue is the MOST likely cause of the poor air flow throughout the home? Answer- Heavily clogged air filter Which tool is used to check voltage, ohms, and amperage in an air conditioning system? Answer- Multimeter
Residents should be warned that all of the following materials can be put in a garbage disposal EXCEPT: Answer- Chicken bones
When a refrigerator is freezing up, it can be the result of a defect in any of the following components EXCEPT the: Answer- Fill valve.
Which method is BEST for achieving a smooth joint when removing excess caulk? Answer- Wiping with a wet finger
Which phrase describes the BEST way to prioritize maintenance work that is not an emergency situation? Answer- First-come, first-served
Which reason BEST describes why electrical tools have insulated handles? Answer-
To prevent users from being shocked or electrocuted through the tools
OSHA regulations mandate that employers: Answer- Train employees to protect themselves and others
Which type of voltage is used by standard residential electrical outlets? Answer- 120
V
How does a system that has a Seasonal Energy Efficiency Ratio (SEER) of 15 compare to a system that has a SEER of 13? Answer- The system with a SEER of 15 is more efficient.
Which statement is TRUE regarding an upgrade from an R-22-based system to an R-410A-based system? Answer- The brazing methods recommended for the copper
lines are the same.
Which emission is a dangerous byproduct of gas heating systems? Answer- Carbon
monoxide
Which instruction should be followed during the brazing of copper lines of an R-
410A-based system? Answer- Allow dry nitrogen to flow through the lines with no pressure.
Which component of an air conditioning system pumps the refrigerant throughout the
system? Answer- Compressor
In which circumstance will a pressure relief valve release the pressure in a water heater? Answer- The tank is pressurized above its limits.
Which mandatory procedure ensures that machines are rendered inoperative and are not hazardous to maintenance technicians while they are performing work? Answer- Lockout/tagout
