Practice Test Two Flashcards

0
Q

A furnace has a pilot /thermocouple setup. What is the safety feature that shuts down the furnace ?

A

Thermocouple

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1
Q

When inspecting an A/C unit, you find supply air to be 64 and return air to be 90 what would you report?

A

Call a technician

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2
Q

What does the a/ c compressor do?

A

Pressurizes the refrigerant gas in order to raise its temperature

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3
Q

Where will you find a drip leg on a gas heating unit?

A

Where the gas line turns to meet the heating unit

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4
Q

A plastic goose neck pipe on the side of the house is most likely for:

A

Fresh air vent for a high efficiency furnace

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5
Q

Stair railing must be:

A

Maximum of 38” high

Ends shall return to wall or newel post

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6
Q

Guardrails ?

A

Require for a drop of 30” +
4” opening between rails is maximum
Must be at least 36” high

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7
Q

Which coat of stucco siding can be eliminated?
A.finish coat
B.rough base coat
C.paint

A

None

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8
Q

EIFS siding is?

A

Synthetic stucco

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9
Q

The major concern with EIFS siding is?

A

Trapped moisture can not escape, thereby damaging the structure behind it

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10
Q

A statement in a report states a low slope roof appears to be in good shape for its age.

A

Conclusion or finding

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11
Q

A statement In a report reads foundation improperly designed for these soil conditions is:

A

Engineer comment

Conclusion or finding

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12
Q

A house that you are inspecting had an unlit pilot. What is your requirement as an inspector?

A

Report the pilot was out

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13
Q

Plumbing vents must be as follows:

A

10’ horizontally from a window
Minimum of 12” from any vertical surface
Terminate at least 6” above roof

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14
Q
Visualize a basement stairway with one side against a wall. What is not a safety hazard 
A.open railing on open side 
B. odd risers 
C. Torn carpet 
D.no handrail on wall side
A

D. No handrail on wall side

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15
Q

Maximum acceptable riser height is

A

7 3/4” to 8”

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16
Q

The largest tread run within any flight of stairs should not exceed The smallest by more than:

A

3/8”

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17
Q
Three wires at masthead, one tied back. What kind if service :
A:100 amp
B.60 amp 
C.240 volt
D.none
A

D.none

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18
Q

When inspecting a stairway, a hazard is present if The riser heights vary more than:

A

3/8”

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19
Q

The defrost cycle on a heat pump occurs when the outside temp is cold,usually at or below:

A

37F

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20
Q

A heat pump running in the heat mode should:

A
  • Suction line will be cool to the touch
  • discharge air from outside coil that is cooler than ambient air
  • discharge air from inside coil that is between 90F to 105F
21
Q

When a heat pump is installed as a retro-fit into an existing system and the ducts are too small what will happen?

A
  • Unit is starved for air due to poor circulation

- high temperature caused by reduced air flow can damage The compressor

22
Q

Heat pump-a loss of refrigerant will :

A
  • Frost up lines on cooling mode

- overheat on heating mode

23
Q

Geothermal heat pumps compared I air-to-air are:

A
  • more efficient
  • do not loose efficiency as outside air temp drops
  • more expensive to install
24
Q

A dirty filter can cause:

A

Reduced air flow and lower return air temperature

25
Q

A metering device is used to:

A

Reduce pressure on coolant

26
Q

In the cooling cycle of a heat pump, The condensing coil is located

A

Outside

27
Q

During a heat season, The outside coil will go into a defrost cycle every 90 minutes and last for:

A

10 minutes

28
Q

Heat strips are measured in kW each strip is equal to approximately

A

5kw

29
Q

Which of the following insulation materials is not a potential carcinogen ?

A

Styrofoam

30
Q

A fairly common reason for poor air flow in a forced air furnace is

A
  • Dirty air filter

- poor fan operation

31
Q

The function of a heat anticipator is

A

To turn the furnace off a few degrees below the setting to prevent over-shooting of thermostat setting

32
Q

What is average life expectancy of a 235lb asphalt shingle roof?

A

15-20 years

33
Q
Inspectors are required to report on:
A.garage door opener remotes
B.garage door openers 
C.underground sprinkler systems 
D.none
A

B.garage door openers

34
Q

The preferred way to place a girder In a pocket of a concrete foundation is?

A

To leave 1/2”clearance at the ends and sides of the girder

35
Q

The proper heights of electrical wires over a backyard and from a balcony or window are:

A

10’ & 3’

36
Q

Aluminum branch wiring was recommended As a substitute or scarce and expensive copper wire approximately when

A

1965-1975

37
Q

What is the minimum bearing for a wood beam on a Column

A

3”

38
Q
Doors connection the garage and house should? 
A.be weather stripped 
B.self-closing (required in most areas 
C.be solid-core wood or metal 
D.all above
A

D.all above

39
Q

Good stair design has a maximum rise of ____ to____ and a minimum tread width of _____

A

7 3/4” to 8” and 10”

40
Q

Asphalt shingles can be installed on pitches as low as ____ if the roof is first covered with non-perforated saturated felt paper:

A

2/12

41
Q

It is preferable to put wood shingles and shakes over what type of roof sheathing to allow them to dry quickly:

A

Spaced

42
Q

Blisters and bubbles on a built up roof usually indicate:

A

That there is moisture trapped between the plies of felt

43
Q

You see three services entry wires coming into a panel. What is the service ?

A

120/240volt

44
Q

When does a built up roof need flood coating ?

A

Tar paper showing

45
Q

You observe a single wall flue 2” from wood framing. What would you report:

A

Safety hazard

46
Q

Each plumbing vent pipe shall extend through its flashing and shall terminate vertically not less than:

A

6” above roof line

47
Q

Double-tapping on a circuit breaker is allowed:

A

Breaker is designed for double tapping

48
Q

A plug fuse rated at 39 amps is color coded (usually)

A

Green

49
Q

A hydronic or forced hit water circulating system is:

A

Closed to the atmosphere and under pressure