Comprehensive Maintenance - 100 Multiple Choice Quiz!
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Not everyone has the ability to deal with maintenance issues in the house. If you are capable you need a license to practice that you can get through passing the comprehensive exam. Are you planning on taking your exams? Take up the quiz below and see how ready you are.
- 1.
- A.
True
- B.
False
- 2.
- A.
White
- B.
Black or Red
- C.
Green or bare wire
- D.
Yellow
- 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
- 4.
- A.
True
- B.
False
- 5.
- A.
In a fuse box
- B.
On a heat coil
- C.
On a stove element
- D.
None of the above
- 6.Where is a joist found?
- A.
Floor
- B.
Wall
- C.
Stair
- D.
Corner
- 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
- 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
- 9.
- A.
Check for leaks
- B.
Remove impurities
- C.
Extend the life of the unit
- D.
All of the above
- 10.
- A.
R 12
- B.
R 22
- C.
R 302
- D.
R 202
- 11.Older refrigerators contain which type of Freon:
- A.
R 22
- B.
R 12
- C.
R 502
- D.
R 602
- 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
- 13.
- A.
Clean it up
- B.
Flush the toilet
- C.
Purge the tank of air
- D.
None of the above
- 14.What kind of freon is used in central air conditioning?
- A.
R 12
- B.
R 11
- C.
R 22
- D.
R 21
- 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
- 16.When charging, vapor should be added to the ____ side of the compressor.
- A.
High
- B.
Low
- C.
Liquid
- D.
Left
- 17.R-134A is a drop in replacement for R-12.
- A.
True
- B.
False
- 18.What is the best product to use to thin or clean up latex paint?
- A.
Varsal
- B.
Water
- C.
Paint thinner
- D.
Turpentine
- 19.
- A.
Less than 220 volts
- B.
Less than 460 volts
- C.
110 volt
- D.
Less than 30 volts (usually 24)
- 20.Picking up litter on the property is every employee's business; there are no exceptions.
- A.
True
- B.
False
- 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
- 22.
- 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
- 23.
- A.
Enlarging copper tubing
- B.
Connecting PVC pipe joints
- C.
Joining electrical wires
- D.
None of the above
- 24.
- 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
- 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
- 26.How many BTUs are in a ton?
- A.
16000
- B.
10000
- C.
12000
- D.
None of the above
- 27.
- A.
Cut off valve leaking
- B.
Break or leak in supply line
- C.
Damaged ballcock
- D.
All of the above
- 28.Service requests should be filled out completely and signed before returning to the manager or office staff.
- A.
True
- B.
False
- 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
- 30.
- 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
- 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
- 32.
- A.
360
- B.
720
- C.
1080
- D.
None of the above
- 33.
- A.
True
- B.
False
- 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
- 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
- 36.
- A.
Pour float adjustment
- B.
Broken flapper chain
- C.
Flapper chain to long and caught under flap
- D.
All of the above
- 37.
- 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
- 38.Muriatic acid is used to ____ the pH level in a pool.
- A.
Raise
- B.
Lower
- C.
Stabilize
- D.
None of the above
- 39.Never mix two pool maintenance chemicals together.
- A.
True
- B.
False
- 40.Most residential wiring is three phase.
- A.
True
- B.
False
- 41.
- A.
Stove
- B.
Refrigerator
- C.
Dishwasher
- D.
Hot water heater
- 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
- 43.Which process uses Pentrox Solution?
- A.
Aluminum to copper connections
- B.
PVC pipe connections
- C.
Cleaning ground wires
- D.
All of the above
- 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
- 45.A sequencer is used in:
- A.
Heating and air conditioning
- B.
Plumbing
- C.
Outside lighting
- D.
None of the above
- 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
- 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
- 48.
- 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
- 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
- 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
- 51.You have a complaint from a 5 year old apartment. Water is running out from under the dishwasher. The water continually runs. You have checked the pipes and none are leaking. Which of the following is NOT the possible problem?
- A.
Bad door gasket
- B.
Bad pump
- C.
Water control valve malfunction
- D.
Bad timer
- 52.
- A.
True
- B.
False
- 53.A heat anticipator should be set to match the amp draw of all heat relay controls in the control unit.
- A.
True
- B.
False
- 54.What is an air diffuser?
- A.
Part of a strip heat
- B.
A vent with an open/shut control
- C.
None of the above
- D.
All of the above
- 55.For safety reasons, you should never go up on a roof while there is dew on the ground.
- A.
True
- B.
False
- 56.How long is a recovery tank inspection good?
- A.
1 year
- B.
5 years
- C.
10 years
- D.
15 years
- 57.On a 220-volt circuit, where the white wire is common, the red wire is normally ______.
- A.
24 volts
- B.
110 volts
- C.
220 volts
- D.
210 volts
- 58.
- A.
High side
- B.
Low Side
- C.
Neither
- D.
None of the above
- 59.
- A.
7.8 - 8.2 ppm
- B.
7.0 - 7.2 ppm
- C.
7.2 - 7.6 ppm
- D.
None of the above
- 60.
- A.
Turn on the oven and feel for escaping heat
- B.
Place a sheet of paper between the door and oven. Close the door and pull on the paper
- C.
Turn the oven light on and see if the light escapes from another door
- D.
None of the above
- 61.What causes the burner flame on a gas stove to be yellow?
- A.
High gas pressure
- B.
Too much air in the flame
- C.
Not enough air in the flame
- D.
All of the above
- 62.Three letters on compressor blocks are:
- A.
D O A
- B.
C S R
- C.
B T U
- D.
B T R
- 63.How would you access control stage 1 and 2 on a two-stage electric furnace?
- A.
Manually
- B.
Sequencer
- C.
Two (2) stage thermostat
- D.
None of the above
- 64.An apartment with a 40 gallon hot water heater has hot water, but not enough, even if the hot water hasn't been used all day. The malfunction of which element would give that symptom?
- A.
Top
- B.
Bottom
- C.
Neither
- D.
All of the above
- 65.Why is there a delay in restarting a compressor that has kicked off due to an internal overload?
- A.
Breaker has tripped
- B.
Unit must cool off
- C.
Sequencer is out of sequence
- D.
All of the above
- 66.When cutting glass with a glasscutter, pressing too hard can result in:
- A.
Chipping the glass
- B.
Not getting the cut straight
- C.
Dulling the cutter
- D.
Not cutting at all
- 67.
- A.
Too remove moisture and trap debris
- B.
Too evaporate water from outside the compressor during rain
- C.
Too heat air and gas, too increase efficiency
- D.
A and B
- 68.In air conditioning applications the evaporator is where what occurs?
- A.
Cool air is distributed
- B.
Heat is expelled
- C.
Moisture is evaporated from the air
- D.
All of the above
- 69.What is a striker plate?
- A.
Part of a door assembly
- B.
An Anvil
- C.
A lighter for a torch
- D.
None of the above
- 70.If the suction side of a condensing unit has ice on it, what does this mean?
- A.
The compressor isn't running
- B.
The unit is undercharged
- C.
The unit is overcharged
- D.
None of the above
- 71.Where is a P-Trap located?
- A.
Under the dishwasher
- B.
Under the sink
- C.
Behind the refrigerator
- D.
None of the above
- 72.
- A.
5 - 7.5
- B.
7.5 - 10
- C.
15 - 19.5
- D.
None of the above
- 73.A fan or cooler relay is used in an electric furnace to change the blower speed to the _____ speed for cooling.
- A.
High
- B.
Medium
- C.
Low
- D.
All of the above
- 74.On a 110-volt circuit, where the white wire is common, the black wire is normally _________.
- A.
24 volts
- B.
110 volts
- C.
220 volts
- D.
210 volts
- 75.
- A.
High
- B.
Low
- C.
Liquid
- D.
Left
- 76.Why is an electric furnace insulated?
- A.
Fire protection
- B.
Prevent ambient temprature infiltration
- C.
Sound proofing
- D.
All of the above
- 77.
- A.
Dirty condenser coils
- B.
Possible partial line restriction
- C.
Over charged with refrigerant
- D.
None of the above
- 78.To raise your swimming pool PH, which chemical should you add to the water?
- A.
Soda Ash
- B.
Chlorine
- C.
Muriatic Acid
- D.
None of the above
- 79.What does G.F.I. stand for?
- A.
Go Fot It
- B.
Gas Furnace Instrument
- C.
Ground Fault Interrupter
- D.
None of the above
- 80.Where is a ballcock used?
- A.
In a dishwasher
- B.
In a toilet
- C.
In a water heater
- D.
All of the above
- 81.Why do we use capacitors on fan motors or blowers?
- A.
Too raise efficiency and lower costs
- B.
Too protect unit for overhead
- C.
To reduce electric shock
- D.
All of the above
- 82.What is a valley on a roof?
- A.
A sagging section
- B.
An area that is always in the shade
- C.
A point where two (2) slopes meet
- D.
An area that is missing tile
- 83.Which side of the compressor would you normally charge?
- A.
The low side
- B.
The high side
- C.
None of the above
- D.
All of the above
- 84.Why do you use a vacuum pump on an air conditioning unit?
- A.
To remove the freon
- B.
To remove impurities
- C.
To remove the oil
- D.
All of the above
- 85.
- A.
Turn it on and off several times
- B.
Insert a unjamming wrench into the bottom of the disposal
- C.
There is no proper way, it must be replaced
- D.
None of the above
- 86.On a 110-volt circuit, the ground wire is normally:
- A.
Black or Red
- B.
White
- C.
Green or bare wire
- D.
Yellow
- 87.What color is the high side gauge
- A.
Red
- B.
Blue
- C.
Green
- D.
White
- 88.In BTU's, which of the following is a one (1) ton unit?
- A.
12000
- B.
2000
- C.
10000
- D.
20000
- 89.
- A.
Ohm out the burner that is not coming on
- B.
Replace the burner
- C.
Replace the thermostat
- D.
Reset circuit breaker
- 90.What instrument is used to check the full load amps of a compressor?
- A.
Volt meter
- B.
Ohm meter
- C.
Am Probe
- D.
None of the above
- 91.The chlorine level in a pool should be maintained between:
- A.
7.2 - 7.5 ppm
- B.
1.0 - 3.0 ppm
- C.
5.0 - 10.0 ppm
- D.
None of the above
- 92.When expecting more swimmers in your pool than normal, a higher dosage of ______ is suggested.
- A.
Soda Ash
- B.
Chlorine
- C.
Muriatic Acid
- D.
None of the above
- 93.Swimming pool safety equipment must be in place at all times.
- A.
True
- B.
False
- 94.
- A.
60 - 65
- B.
160 - 165
- C.
80 - 90
- D.
70 - 75
- 95.How would you remove a lodged obstruction from a toilet?
- A.
Plunger
- B.
Toilet Auger
- C.
All of the above
- D.
None of the above
- 96.
- A.
Allows you to control a switch from three (3) locations
- B.
Allows you to control a switch from one (1) location
- C.
Allows you to control a switch from two (2) locations
- D.
None of the above
- 97.Quality maintenance service is just as important to the success of an apartment community as quality management.
- A.
True
- B.
False
- 98.After changing out an element on a water heater, you should always do what before turning the circuit breaker back on?
- A.
Fill out the warranty forms
- B.
Set the thermostat
- C.
Fill the tank with water
- D.
All of the above
- 99.On a 110-volt circuit, the neutral wire is normally:
- A.
White
- B.
Black or Red
- C.
Green or bare wire
- D.
Yellow
- 100.
- A.
To prevent crankcase from cracking in freezing temperatures
- B.
To preheat freon making heating cycle more efficient
- C.
To heat the refrigerant oil and keep liquid freon out of the oil
- D.
All of the above
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