Practice Test Four

Question 0

What is the general use of a type B vent

Answer 0

Gas fired appliance

Question 1

The B vent is

Answer 1

Double wall

Question 2

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

Answer 2

Will trip a receptacle, but not by the tester

Question 3

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

Answer 3

3 1/2”

Question 4

How should Romex be supported in an attic

Answer 4

Secured every 4 1/2 feet

Question 5

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

Answer 5

36,000

Question 6

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

Answer 6

Reducing oxides of nitrogen present in the atmosphere

Question 7

APP and SBS are as follows

Answer 7

Are modified bitumen sheets used for BURs

Question 8

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

Answer 8

6”

Question 9

What was added to some higher efficiency furnaces after 1980

Answer 9

Two heat exchangers

Question 10

If natural gas line is changed to LP you need

Answer 10

Smaller orifice

Question 11

A GFCI located next to a sink is wired with 2 wires, no ground,and trips with the receptacle test button: this is

Answer 11

Acceptable

Question 12

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

Answer 12

Hawk or hod

Question 13

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

Answer 13

6” thick at 5’ and 8” thick at 7’

Question 14

Concrete block walls need to be :

Answer 14

8” thick at 5’ and 12” thick at 7’

Question 15

When did safety glass become standard in sliding glass doors?

Answer 15

1960’s

Question 16

The most common problem with concrete wall insulation is?

Answer 16

Mixed with too much water

Question 17

At what water pressure do you start to get concerned :

Answer 17

80 psi

Question 18

When converting from natural gas to LP:

Answer 18

Need more combustion air

Question 19

A dedicated circuit is not required in which area ?

Answer 19

Bedroom.

Question 20

To extend the life of a water heater:

Answer 20

Change the anode rod

Question 21

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

Answer 21

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

Question 22

Mudjacking is :

Answer 22

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

Question 23

What causes ice damming?

Answer 23

Inadequate insulation and ventilation

Question 24

Interior water lines manufactured from polybutylene are:

Answer 24

Susceptible to failure due to crimped connection failure

Question 25

What is the proper distance between wood shakes

Answer 25

5/8”

Question 26

What is the proper distance between wood shingles ?

Answer 26

3/8”

Question 27

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

Answer 27

Has a single dedicated receptacle

Question 28

Deck joist-what is The proper attachment to house ?

Answer 28

Joist hanger

Question 29

A vertical hairline crack in a poured concrete basement wall

Answer 29

Most likely a shrink crack

Question 30

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

Answer 30

B. Crack in basement wall needs repair

Question 31

Evaporative (swamp) coolers are used in areas:

Answer 31

That have dry climates

Question 32

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

Answer 32

Condensation overflow can be a problem

Question 33

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

Answer 33

Mildew on walls

Question 34

Pipes running from oil storage tank to furnace

Answer 34

Must be protected

Question 35

Two small copper pipes going through a basement wall indicates:

Answer 35

Possible underground storage tank

Question 36

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

Answer 36

21”