Solved & Graded A+
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