Practice Test Four Flashcards

0
Q

What is the general use of a type B vent

A

Gas fired appliance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

The B vent is

A

Double wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When testing a GFCI receptacle that is not grounded, how will the receptacle respond:

A

Will trip a receptacle, but not by the tester

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Where concrete is poured on earth to construct a floor, the minimum thickness of the concrete should be:

A

3 1/2”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How should Romex be supported in an attic

A

Secured every 4 1/2 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A/c unit has 3-ton capacity. What is the BTU/hour rating?

A

36,000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A new gas furnace has 2 pairs of rods running the length of the burners. They are:

A

Reducing oxides of nitrogen present in the atmosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

APP and SBS are as follows

A

Are modified bitumen sheets used for BURs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the clearance for combustibles of a single wall furnace flue

A

6”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What was added to some higher efficiency furnaces after 1980

A

Two heat exchangers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

If natural gas line is changed to LP you need

A

Smaller orifice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the name of the tool to hold stucco material when applying

A

Hawk or hod

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The deeper the foundation, the more pressure is exerted on it.concrete walls need to be:

A

6” thick at 5’ and 8” thick at 7’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Concrete block walls need to be :

A

8” thick at 5’ and 12” thick at 7’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

When did safety glass become standard in sliding glass doors?

A

1960’s

16
Q

The most common problem with concrete wall insulation is?

A

Mixed with too much water

17
Q

At what water pressure do you start to get concerned :

A

80 psi

18
Q

When converting from natural gas to LP:

A

Need more combustion air

19
Q

A dedicated circuit is not required in which area ?

A

Bedroom.

20
Q

To extend the life of a water heater:

A

Change the anode rod

21
Q

The difference between a split bus bar panel and a single busbar panel is :

A

A split busbar panel has more than one “main” disconnect

22
Q

Mudjacking is :

A

Forcing,under pressure, a material that will raise a concrete product to provide proper pitch

23
Q

What causes ice damming?

A

Inadequate insulation and ventilation

24
Q

Interior water lines manufactured from polybutylene are:

A

Susceptible to failure due to crimped connection failure

25
Q

What is the proper distance between wood shakes

A

5/8”

26
Q

What is the proper distance between wood shingles ?

A

3/8”

27
Q

A sump pump receptacle is not required to have a GFCI if it:

A

Has a single dedicated receptacle

28
Q

Deck joist-what is The proper attachment to house ?

A

Joist hanger

29
Q

A vertical hairline crack in a poured concrete basement wall

A

Most likely a shrink crack

30
Q

Which statement is a conclusion
A. Horizontal crack in basement wall
B. Crack in basement wall needs repair

A

B. Crack in basement wall needs repair

31
Q

Evaporative (swamp) coolers are used in areas:

A

That have dry climates

32
Q

A/C evaporator coils in the attic present what problems:

A

Condensation overflow can be a problem

33
Q

How can you tell if moisture exist above a cathedral ceiling :

A

Mildew on walls

34
Q

Pipes running from oil storage tank to furnace

A

Must be protected

35
Q

Two small copper pipes going through a basement wall indicates:

A

Possible underground storage tank

36
Q

How far does a toilet have to be from the wall in front of it based on the IRC

A

21”