Practice Test Five

Question 0

Three wires to masthead,2 wires to main panel; what is voltage :

Answer 0

120 volts

Question 1

Picture a panel with 8 fuses. Four have black wires, 4 have white wires.pick the most accurate statement.
A.fused neutrals 
B.240 volt fuses 
C.never a problem 
D.always a problem

Answer 1

A. Fused neutrals

Question 2

The best way to vent and insulate a cathedral ceiling:

Answer 2

Leave gap above insulation

Question 3

Which is the most rigid floor joist:

Answer 3

2x12

Question 4

Common temperature rise with an old furnace :

Answer 4

70-100 degrees

Question 5

Where roof dormer come together,siding should be ___” above shingles:

Answer 5

1-2” above shingles

Question 6

Shingles are 4 years old,cupping of tabs, with no loss of granules. Cause is:

Answer 6

Defective shingles

Question 7

Vapor barrier should be:

Answer 7

To the warm in winter side

Question 8

Water heaters must have a

Answer 8

Temperature/pressure relief valve

Question 9

The relief valve for a water heater must be installed:

Answer 9

With stem directly in tank (top 6”)

Question 10

Wall cracks should be investigated to determine if structural rot,structural cracking,foundation settlement or pulled fastenings have occurred if crack is wider than:

Answer 10

1/4”

Question 11

Plaster cracks over a chimney breast are usually caused by:

Answer 11

Settlement of the chimney

Question 12

When plaster cracks appear over gypsum lath either 2 or 4 feet apart l, this is normally ..

Answer 12

Not serious

Question 13

What is The possible result of water ponding on a roof:

Answer 13

Reduced life expectancy

Question 14

The most obvious clue to a plumbing venting problem is :

Answer 14

Gurgling

Question 15

What is the minimum extension above the roof line of a vent pipe to prevent frost closure:

Answer 15

6” above snow line

Question 16

What size copper wire is required for 40,30,20,15 am breakers

Answer 16

8,10,12,14

Question 17

Sub-panels require neutrals and grounds to be separated and isolated. What is another term for this:

Answer 17

Floating neutral

Question 18

Where should collar ties be attached to the rafter

Answer 18

Nearer the middle

Question 19

No trap in basement drain.you should tell the client:

Answer 19

Advise to get repaired

Question 20

Which roof covering has the greatest life expectancy

Answer 20

Slate

Question 21

Where would you not typically find condensation:

Answer 21

Interior bedroom

Question 22

Basement leaks often occur because:
A.missing gutter downspout extensions 
B.poor grading 
C.lack of control of roof and surface water 
D. All above

Answer 22

D.All the above

Question 23

During heat pump operation,supplemental heat may be provided by:

Answer 23

Electric heat strips

Question 24

When inspecting a heat pump or air conditioner,you find The inside coils condensation drain is connected directly to,or is inside of a sanitary sewer line

Answer 24

This is a health and safety concern and it needs to be corrected

Question 25

A hole drilled through a joist for plumbing or electrical should not be located at/in the

Answer 25

Center

Question 26

Rot/mildew/fun gas can begin in moisture levels of:

Answer 26

20%

Question 27

Am engineered floor joist requires squash blocks:

Answer 27

As required by manufacturer

Question 28

FRT plywood failure is due to:

Answer 28

Inadequate ventilation,accompanied by high heat and humidity

Question 29

Which of the following statements is true regarding a hillside house with a foundation drain systems

Answer 29

The foundation drains systems collect water passing laterally through the slope.