Jim's Practice Test 4 Flashcards
1
Q
- Type B vent is:
a. Single wall
b. Double wall
c. Triple wall
d. Any of the above.
A
Double wall
2
Q
- What is the general use of a type B vent?
a. Oil fired appliance only
b. Gasoline
c. Solid fuel appliance only
d. Gas fired appliance
A
Gas fired appliance
3
Q
- When testing a GFCI receptacle that is not grounded, how will the receptacle respond:
a. Will trip with tester
b. Will trip at receptacle, but not by the tester
c. Is incorrect and needs to be grounded
d. Is unsafe
A
Will trip at receptacle, but not by the tester
4
Q
- Where concrete is poured on earth to construct a floor, the minimum thickness of the concrete should be:
a. 3”
b. 3 1/2”
c. 4”
d. 4 1/2”
A
3 1/2”
5
Q
- How should Romex be supported in an attic:
a. Secured every 4 ½ feet
b. Between the joists
c. Must be protected by a raceway
d. Not allowed in the attic
A
Secured every 4 ½ feet
6
Q
- A/C unit has 3-ton capacity. What is the BTU/hour rating?
a. 3000
b. 6000
c. 30,000
d. 36,000
A
36,000
7
Q
- A new gas furnace has 2 pairs of rods running the length of the burners. They are:
a. Providing stability during shipping
b. Reducing oxides of nitrogen present in the atmosphere
c. Helping prevent damage to the heat exchanger
d. Debris that has fallen into the furnace
A
Reducing oxides of nitrogen present in the atmosphere
8
Q
- APP and SBS are as follows:
a. Caulking types recommended for roofs
b. Types of underlayment for asphalt roof surface
c. Are modified bitumen sheets used for BURs
d. Adhesive-type materials for membrane roofs
A
Are modified bitumen sheets used for BURs
9
Q
- What is the clearance for combustibles for a single-wall furnace flue?
a. 18”
b. 9”
c. 6”
d. 8”
A
6”
10
Q
- What was added to some higher efficiency furnaces after 1980?
a. High limit switch
b. Fan blower door switch
c. Thermocouple
d. Two heat exchangers
A
Two heat exchangers
11
Q
- If natural gas line is changed to LP, you need:
a. Smaller orifice
b. Larger orifice
c. To change valve assembly
d. Do nothing
A
Smaller orifice
12
Q
- A GFCI located next to a sink is wired with 2 wires, no ground, and trips with the receptacle test button. This is:
a. Acceptable
b. Safety hazard
c. Not operating properly
d. Must be able to trip with GFI tester
A
Acceptable
13
Q
- What is the name of the tool to hold stucco material when applying?
a. Trough
b. Hawk or Hod
c. Shovel
d. Rack
A
Hawk or Hod
14
Q
- The deeper the foundation, the more pressure is exerted on it. Concrete walls need to be:
a. 6’ thick at 6’ and 8” thick at 8’
b. 6” thick at 5’ and 8” thick at 7’
c. 8” thick at 6’ and 8” thick at 7’
d. None of the above
A
6” thick at 5’ and 8” thick at 7’
15
Q
- Concrete block walls need to be:
a. 8” thick at 5’ and 12” thick at 8’
b. 8” thick at 6’ and 12” thick at 8”
c. 8” thick at 5’ and 12” thick at 7’
d. Same for concrete block and concrete walls
A
8” thick at 5’ and 12” thick at 7’
16
Q
- When did safety glass become standard in sliding glass doors:
a. 1940’s
b. 1950’s
c. 1960’s
d. 1970’s
A
1960’s
17
Q
- The most common problem with concrete wall installation is?
a. Mixed with too much water
b. Too much Portland cement
c. Not right sand mix
d. Manufacturer defects
A
Mixed with too much water
18
Q
- At what water pressure do you start to get concerned:
a. 60 psi
b. 80 psi
c. 100 psi
d. 120 psi
A
80 psi
19
Q
- When converting from natural gas to LP:
a. Need more combustion air
b. Need less combustion air
c. Same amount of combustion air needed
d. None of the above
A
Need more combustion air
20
Q
- A dedicated circuit is not required in which area?
a. Bathroom
b. Bedroom
c. Kitchen
d. Laundry room
A
Bedroom
21
Q
- To extend the life of a water heater:
a. Insulate hot water pipe
b. Change out anode rod
c. Turn up the temperature for a length of time
d. Put cover on tank
A
Change out anode rod
22
Q
- The difference between a split busbar panel and single busbar panel is:
a. A split busbar panel has more than one “main” disconnect
b. Breaker above split controls those above it
c. No differences
d. You need to add the breakers up
A
A split busbar panel has more than one “main” disconnect
23
Q
- Mudjacking is:
a. Removing mud from under sidewalk and raising
b. Lifting foundation above soil that is weak
c. Forcing, under pressure, a material that will raise a concrete product to provide proper pitch
d. Removing mud to pour footing
A
Forcing, under pressure, a material that will raise a concrete product to provide proper pitch
24
Q
- What causes ice damming:
a. Too much snow
b. Improper pitch
c. Inadequate insulation and ventilation
d. None of the above
A
Inadequate insulation and ventilation
25
Q
- Interior water lines manufactured from polybutylene are:
a. Susceptible to failure, due to the metal connectors
b. Susceptible to failure due to crimped connection failure
c. Susceptible to failure due to the compression sleeves
d. Considered state-of-the-art for water lines
A
Susceptible to failure due to crimped connection failure
26
Q
- What is the proper distance between wood shakes?
a. 1/8”
b. 1/4”
c. 5/8”
d. 3/4”
A
5/8”
27
Q
- What is the proper distance between wood shingles?
a. 1/8”
b. 3/4”
c. 3/8”
d. 1/2”
A
3/8”
28
Q
- A sump pump receptacle is not required to have a GFCI, if it:
a. Has a duplex receptacle
b. Has a single dedicated receptacle
c. Has a ground
d. None of the above
A
Has a single dedicated receptacle
29
Q
- Deck joist - what is the proper attachment to house:
a. Toe nail
b. Direct nail
c. Joist hanger
d. Bolts
A
Joist hanger
30
Q
- A vertical hairline crack in a poured concrete basement wall:
a. Should be looked at by an engineer
b. Most likely a shrinkage crack
c. Should not be reported
d. Exists in all walls
A
Most likely a shrinkage crack
31
Q
- Which statement is a conclusion?
a. Horizontal crack in basement wall
b. Crack in basement wall needs repair
A
Crack in basement wall needs repair
32
Q
- Evaporative (swamp) coolers are used in areas:
a. That have dry climates
b. That have damp climates
c. All areas
d. Not used for homes
A
That have dry climates
33
Q
- A/C evaporator coils in the attic present what problems:
a. Not possible to inspect
b. Condensation overflow can be a problem
c. Will always shorten life expectancy
A
Condensation overflow can be a problem
34
Q
- How can you tell if moisture exists above a cathedral ceiling?
a. Not possible
b. Probe with an awl
c. Mildew on walls
d. Moisture around skylight
A
Mildew on walls
35
Q
- Pipes running from oil storage tank to furnace:
a. Must be protected
b. Have to be buried in concrete floor
c. Can never be buried in concrete floor
d. Can run across top of floor
A
Must be protected
36
Q
- Two small copper pipes going through a basement wall indicates:
a. Water pipes
b. Possible underground storage tank
c. Support for walls
d. None of the above
A
Possible underground storage tank
37
Q
- How far does a toilet have to be from the wall in front of it based on the IRC?
a. 6”
b. 1’
c. 2’
d. 21”
A
21”
