National 3 Flashcards

1
Q

When testing a GFCI receptacle you should _____ any appliances using the receptacle.

A

Unplug

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2
Q

On steep roofs, exposed fasteners are a sign of ____ ____.

A

Improper installation

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3
Q

To verify the presence of step flashing on a roof would be accomplished by ____ ____ ____ adjacent to the head wall or chimney.

A

lifting the shingles

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4
Q

Foundation irrigation can prevent ____ ____.

A

basement leakage

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5
Q

A horizontal crack in a foundation reduces the ability to ____ ____ ____.

A

resist soil pressure

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6
Q

Water hammer can be reduced by installing _____ _____ _____ at the ends of lines.

A

12” vertical extensions

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7
Q

Footings may move if the ____ ____ is _____.

A

Soil below is disturbed

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8
Q

____, ____ and ____ are asphalt based products. ____ is a silicone product.

A

Roofing cement
Asphalt cement
Plastic cement
Caulk

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9
Q

The _____ element of a water heater has priority.

A

Upper

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10
Q

A leaking humidifier can cause ____ of the ____ ____.

A

Rusting of the heat exchanger

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11
Q

Insulating the crawl space floor _____ cause the floors to be more comfortable.

A

Will not

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12
Q

Irregular cracks in shingles may be a sign of a ____ ____ which could shorten _____.

A

manufacturing defect
lifespan

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13
Q

Do not recommend that cracks in masonry brick be _____.

A

Caulked

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14
Q

Obsolete service boxes typically exhibit _____ _____.

A

Exposed terminals

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15
Q

Masonry veneer walls may be _____.

A

brittle

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16
Q

Home inspectors _____ lift tiles of suspended ceilings for further inspection.

A

may

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17
Q

Gravity fed, warm air furnaces have a ____ ____ ____ switch.

A

High temperature limit

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18
Q

Leakage at the foundation wall conduit hole could cause _____ _____ _____.

A

Rusting of panel

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19
Q

A single ply roofing system that consists of a base and cap sheet is _____ _____.

A

Modified bitumen

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20
Q

The presence of 2 layers of ____ ____ under a built up roof, could mean that it was built over a flat roof.

A

drip edge

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21
Q

When lowering a basement floor, lateral support will be lost if excavating to the _____ _____ _____ _____.

A

Bottom of the footing

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22
Q

____ ____ are not dead loads.

A

Snow loads

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23
Q

_____ _____ are continuous footings around the perimeter of the slab.

A

Spread footings

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24
Q

_____ is the best soil type for building homes upon.

A

Gravel

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25
Q

Generally, maximum slope for a residential lot is _____.

A

1/2

26
Q

Frost heave _____ be caused by raising exterior grade height.

A

Cannot

27
Q

Typical corrections for bowing bilging or leaning foundation walls include _____, _____, or ____, but not _____.

A

Adding buttresses to the interior
Building a separate foundation wall on the interior
Building a separate exterior wall against the foundation
Horizontal steel beams/channels

28
Q

Settlement cracks are likely with houses built upon ____ land.

A

reclaimed

29
Q

Vertical joints every 2-4 feet at the bottom of a foundation wall is evidence of ______.

A

Underpinning

30
Q

Beams may bear upon concrete block walls if the top ____ ____ of the blocks are ____ ____ ____

A

7 inches
Filled with concrete

31
Q

Beams should not be _____.

A

Notched

32
Q

Notched joists will sometimes _____ at the corner of the notch.

A

Crack

33
Q

It is best practice to construct partition walls or non-load bearing walls _____ to joists below.

A

Perpendicular

34
Q

Sheathing supports _____, stiffens _____ to prevent _____, and aids the _____ _____.

A

siding
walls
racking
air barrier

35
Q

Steel lintels require ____ inches of end bearing.

A

6

36
Q

If attic air is cold and temperature _____, moist air will _____ more quickly.

A

rises
condense

37
Q

The span of a rafter is defined as the horizontal _____, from one _____ to the other.

A

projection
support

38
Q

Horizontal members supporting the midspan of rafters are called _____.

A

purlins

39
Q

One way to prevent rafters from sagging is to install ______ ______.

A

collar ties

40
Q

Rafters, ceiling joists, and roof joists are commonly spaced at ____, ____, ____, and ____ on center.

A

12, 16, 20, 24

41
Q

____ plywood is known to be defective and will _____ _____ or _____ and presents a white _____ _____

A

FRT
prematurely deteriorate
delaminate
Powder substance

42
Q

Truss webs are in _____ or _____.

A

Compression or tension

43
Q

Rafters at hips and valleys are called _____ _____.

A

jack rafters

44
Q

Batch feed waste disposers are _____ to have a shutoff switch nearby.

A

not required

45
Q

Electric ovens use the ____ element for baking.

A

lower

46
Q

An electric oven reaches _____ degrees during the self cleaning process function.

A

900° F

47
Q

Useful life of a dishwasher is ____ to _____ years.

A

8-15

48
Q

A dishwasher may not drain properly because the _____ may be faulty.

A

timer

49
Q

_____ are compatible with food waste disposer.

A

Bones

50
Q

Central vacuum systems with a filter should discharge _____ or _____.

A

Inside or outside

51
Q

Weak suction on a central vacuum system is typically a symptom of a _____, _____, or _____.

A

full canister
dirty filter
operator

52
Q

The best way to determine if a home has EIFS siding is to _____.

A

remove receptacle covers

53
Q

A common problem with exterior stairs is improper _____.

A

rise

54
Q

Among the common insulation types, _____ will burn quicker than most.

A

cellulose

55
Q

Horizontal 2” pvc pipe must be supported every _____ feet.

A

4

56
Q

2 wire systems should be reported as _____, and it should be noted that _____.

A

inspected
2 wire systems are outdated and not as safe as 3 wire systems.

57
Q

The minimum and maximum distances for switches and outlets near a bathtub are _____.

A

non-existent

58
Q

Both _____ and _____ should be inspected for overhead garage door openers.

A

Emergency manual release
Door operation

59
Q

Open stairs that allow the passage of a 4” sphere should be reported as _____.

A

Opening between treads too tall

60
Q

Curtains drains are a type of _____ _____.

A

yard drainage