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ICA > Jim's Practice Test 3 > Flashcards

Jim's Practice Test 3 Flashcards

1
Q

A chimney should generally be installed?
a. 6” higher than anything within 10’
b. 18” higher than anything within 10’
c. 2’ higher than anything within 10’
d. 3’ higher than anything within 10’

A

2’ higher than anything within 10’

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2
Q

The hearth of a fireplace should extend in front inches, if the opening is under 6’ and
inches if over 6’:
a. 20” & 20”
b. 16” & 20”
c. 16” & 16”
d. Does not matter

A

16” & 20”

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3
Q

Clay/Concrete tile roofs should have how much overlap:
a. 6”
b. 3”
c. 10”
d. 12”

A

3”

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4
Q

A built-up roof having a lap joint every 12” is a:
a. 3-ply
b. 6-ply
c. 2-ply
d. None of the above

A

3-ply

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5
Q

Wood shakes and shingles are best maintained by:
a. Applying a quality waterproof sealer periodically
b. Applying a quality oil base paint annually
c. Allowing them to age naturally
d. Washing annually with bleach to remove mildew

A

Applying a quality waterproof sealer periodically

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6
Q

What is the appropriate insulation for a built-up roof?
a. Fiberglass
b. Cellulose
c. Mineral wool
d. Rigid

A

Rigid

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7
Q

What is the term used to describe the act of enlarging/offsetting the chimney as it goes through
the roof?
a. Capping
b. Spackling
c. Corbeling
d. Wythe

A

Corbeling

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8
Q

A crack in the bricks at the top of a doorway or window usually indicates:
a. Water leak
b. Improperly mixed mortar
c. A short or rusted lintel
d. No vapor barrier in the insulation

A

A short or rusted lintel

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9
Q

Resistance is measured in:
a. Volts
b. Watts
c. Amperes
d. Ohms

A

Ohms

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10
Q

Romex is another name for what type of cable:
a. AC
b. BX
c. IMD
d. NM

A

NM

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11
Q

Current flow is measured in:
a. Volts
b. Watts
c. Amperes
d. Ohms

A

Amperes

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12
Q

A non-grounded receptacle within 6’ of water should be replaced with a:
a. GFCI receptacle
b. GFCI upstream from receptacle
c. Single pole GFCI breaker
d. All will be ok

A

All will be ok

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13
Q

If the black wire or hot wire carries 10 amps, how much does the white or neutral
wire carry:
a. Half of the black wire
b. Same as the black wire
c. Twice as much as the black wire
d. It is neutral (has no amps)

A

Same as the black wire

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14
Q

When converting from natural gas to propane gas:
a. The orifice must be larger
b. The orifice plays no role
c. The orifice must be smaller
d. None of the above

A

The orifice must be smaller

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15
Q

The devices used to provide ignition for oil and gas-fired systems are

a. Thermostat controls, dampers and emergency shut offs
b. Blower, motor, fan and limit switches
c. Emergency flashing lights and low limit switches
d. Pilot/electronic ignition and sensing devices

A

Pilot/electronic ignition and sensing devices

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16
Q

The purpose of the pressure relief valve in a hydronic heating system is:
a. To relieve high temperatures in a forced air system
b. To prevent back flow in the water system
c. To prevent pressure with the system from exceeding a pre-set limit of 30 psi
d. To release pressure in the heat exchanger system

A

To prevent pressure with the system from exceeding a pre-set limit of 30 psi

17
Q

In a conventional heat pump, the most critical component is the:
a. Compressor
b. Condenser
c. Expansion device
d. Blower fan

A

Compressor

18
Q

Tempered glass is safer than ordinary glass because:
a. It doesn’t break
b. It has wire meshing to prevent it from shattering
c. It is fireproof
d. It breaks into small rectangular pieces

A

It breaks into small rectangular pieces

19
Q

A fireplace should not share a chimney flue with:
a. Another fireplace
b. A furnace
c. Another wood stove
d. All of the above

A

All of the above
Another fireplace
A furnace
Another wood stove

20
Q

How do you determine if a shower door has safety glazing?
a. Marked in corner
b. Glass will be foggy
c. Wire mesh
d. None of the above

A

Marked in corner

21
Q

Maximum length of an gas appliance connector to a dryer or range is:
a. 6’
b. 4’
c. 3’
d. 8’

A

6’

22
Q

Plumbing vents should be inches from a parapet wall, minimum inches
above the roof, and feet from a window.
a. 24”, 6”, 10
b. 12”, 6”, 6’
c. 12”, 6”, 10’
d. 12”, 10”, 6’

A

12”, 6”, 10’

23
Q

The discharge from a water heater temperature-pressure relief valve may:
a. Not run uphill
b. Be the same diameter as the valve outlet
c. Be copper, Galvanized, PEX, or CPVC

A

d (no content on key)

24
Q

The water in a trap:
a. Can be used in an emergency
b. Keeps insects and rodents from entering the house
c. Should be drained periodically
d. Forms a seal to block sewer gases

A

Forms a seal to block sewer gases

25
Q

Too much slope in horizontal waste lines can cause:
a. Deterioration of the joints
b. Siphonage at the traps
c. An overload in the main waste line
d. Water hammer

A

Siphonage at the traps

26
Q

For water to drain freely out of the house waste system, there must be adequate:
a. Pressure
b. Biological deterioration
c. Venting
d. Traps

A

Venting

27
Q

Walls and ceilings in an attached garage must:
a. Be constructed of wood
b. Have openings in them to allow the smoke out of the garage
c. Have one door or one window installed
d. Form a fire separation from the house in most jurisdictions

A

Form a fire separation from the house in most jurisdictions

28
Q

Earthquakes - which of the following is not a structural concern:
a. Window in a corner
b. Termite damage
c. Brick siding
d. Sill plates not bolted down

A

Brick siding

29
Q

In a heat pump (heating mode), the evaporator is:
a. Outside
b. Inside
c. Either of the above
d. None of the above

A

Outside

30
Q

In a typical heat pump operating in the heat mode, the temperature differential at the
Air Handler (supply vs. return) should be about:
a. 25-30° F
b. 5-7° F
c. 10-15° F
d. 20-22° F

A

25-30° F

31
Q

Defects found in drywall can normally be associated with:
a. Moisture
b. Too few nails
c. Improper framing or use of wet wood

A

d (no content)

32
Q

The anode rod in a water heater:
a. Carries water to the bottom of the tank
b. Is not needed
c. Protects the tank from corrosion
d. None of the above

A

Protects the tank from corrosion

33
Q

Glass block is:
a. Safety glazed
b. Not safety glazed
c. Not allowed to be used in homes
d. None of the above

A

Not safety glazed

34
Q

Substantial movement of a building can be explained by all of the following except:
a. Missing lintels
b. Poor grading
c. Soft soil
d. Missing frost footings

A

Missing lintels

35
Q
  1. The maximum spacing between supports for horizontal insulated flex air ducts is:
    a. 2’
    b. 4’
    c. 6’
    d. 8’
A

4’

36
Q

A lintel is used in which part of a wall system:
a. Gypsum wall finish
b. Ceramic wall finish
c. Retaining wall
d. Wall opening

A

Wall opening

37
Q

Which material is recommended for the repair of polyurethane foam roofing:
a. Acrylic caulk
b. Elastomeric caulk
c. Asphalt sealer
d. Silicone caulk

A

Elastomeric caulk

ICA (51 decks)

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