Practice Test Two Flashcards
A furnace has a pilot /thermocouple setup. What is the safety feature that shuts down the furnace ?
Thermocouple
When inspecting an A/C unit, you find supply air to be 64 and return air to be 90 what would you report?
Call a technician
What does the a/ c compressor do?
Pressurizes the refrigerant gas in order to raise its temperature
Where will you find a drip leg on a gas heating unit?
Where the gas line turns to meet the heating unit
A plastic goose neck pipe on the side of the house is most likely for:
Fresh air vent for a high efficiency furnace
Stair railing must be:
Maximum of 38” high
Ends shall return to wall or newel post
Guardrails ?
Require for a drop of 30” +
4” opening between rails is maximum
Must be at least 36” high
Which coat of stucco siding can be eliminated?
A.finish coat
B.rough base coat
C.paint
None
EIFS siding is?
Synthetic stucco
The major concern with EIFS siding is?
Trapped moisture can not escape, thereby damaging the structure behind it
A statement in a report states a low slope roof appears to be in good shape for its age.
Conclusion or finding
A statement In a report reads foundation improperly designed for these soil conditions is:
Engineer comment
Conclusion or finding
A house that you are inspecting had an unlit pilot. What is your requirement as an inspector?
Report the pilot was out
Plumbing vents must be as follows:
10’ horizontally from a window
Minimum of 12” from any vertical surface
Terminate at least 6” above roof
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
D. No handrail on wall side
Maximum acceptable riser height is
7 3/4” to 8”
The largest tread run within any flight of stairs should not exceed The smallest by more than:
3/8”
Three wires at masthead, one tied back. What kind if service : A:100 amp B.60 amp C.240 volt D.none
D.none
When inspecting a stairway, a hazard is present if The riser heights vary more than:
3/8”
The defrost cycle on a heat pump occurs when the outside temp is cold,usually at or below:
37F
A heat pump running in the heat mode should:
- 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
When a heat pump is installed as a retro-fit into an existing system and the ducts are too small what will happen?
- Unit is starved for air due to poor circulation
- high temperature caused by reduced air flow can damage The compressor
Heat pump-a loss of refrigerant will :
- Frost up lines on cooling mode
- overheat on heating mode
Geothermal heat pumps compared I air-to-air are:
- more efficient
- do not loose efficiency as outside air temp drops
- more expensive to install
A dirty filter can cause:
Reduced air flow and lower return air temperature
A metering device is used to:
Reduce pressure on coolant
In the cooling cycle of a heat pump, The condensing coil is located
Outside
During a heat season, The outside coil will go into a defrost cycle every 90 minutes and last for:
10 minutes
Heat strips are measured in kW each strip is equal to approximately
5kw
Which of the following insulation materials is not a potential carcinogen ?
Styrofoam
A fairly common reason for poor air flow in a forced air furnace is
- Dirty air filter
- poor fan operation
The function of a heat anticipator is
To turn the furnace off a few degrees below the setting to prevent over-shooting of thermostat setting
What is average life expectancy of a 235lb asphalt shingle roof?
15-20 years
Inspectors are required to report on: A.garage door opener remotes B.garage door openers C.underground sprinkler systems D.none
B.garage door openers
The preferred way to place a girder In a pocket of a concrete foundation is?
To leave 1/2”clearance at the ends and sides of the girder
The proper heights of electrical wires over a backyard and from a balcony or window are:
10’ & 3’
Aluminum branch wiring was recommended As a substitute or scarce and expensive copper wire approximately when
1965-1975
What is the minimum bearing for a wood beam on a Column
3”
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
D.all above
Good stair design has a maximum rise of ____ to____ and a minimum tread width of _____
7 3/4” to 8” and 10”
Asphalt shingles can be installed on pitches as low as ____ if the roof is first covered with non-perforated saturated felt paper:
2/12
It is preferable to put wood shingles and shakes over what type of roof sheathing to allow them to dry quickly:
Spaced
Blisters and bubbles on a built up roof usually indicate:
That there is moisture trapped between the plies of felt
You see three services entry wires coming into a panel. What is the service ?
120/240volt
When does a built up roof need flood coating ?
Tar paper showing
You observe a single wall flue 2” from wood framing. What would you report:
Safety hazard
Each plumbing vent pipe shall extend through its flashing and shall terminate vertically not less than:
6” above roof line
Double-tapping on a circuit breaker is allowed:
Breaker is designed for double tapping
A plug fuse rated at 39 amps is color coded (usually)
Green
A hydronic or forced hit water circulating system is:
Closed to the atmosphere and under pressure
