Module 2 Missed Test Questions Flashcards
Choose a method that can be used to estimate the capacity of an air conditioning unit:
a. Divide the compressor RLA (rated load average) by 3 for a very old unit or 4 for a 10 SEER unit or better (typically since 1995)
b. Divide the compressor RLA (rated load average) by 3 for a very old unit or 6 for a 10 SEER unit or better (typically since 1995)
c. Divide the compressor RLA (rated load average) by 7 for a very old unit or 6 for a 10 SEER unit or better (typically since 1995)
Divide the compressor RLA (rated load average) by 7 for a very old unit or 6 for a 10 SEER unit or better (typically since 1995)
The following statement(s) is/are true about SEER (seasonal energy efficiency ration):
a. 8 or 10 SEER is the current minimum efficiency manufactured.
b. 13 or 14 SEER is the current minimum efficiency manufactured
c. Units before 1995 may be only 4 or 5 SEER
13 or 14 SEER is the current minimum efficiency manufactured
When measuring the supply temperature in an A unit what is the appropriate range you are looking for?
a. Perfect range is 5-10 degrees
b. Perfect range is 10-12 degrees
c. Perfect range is 15-22 degrees
d. Perfect range is 15-30 degrees
Perfect range is 15-22 degrees
Which of the following is not an appropriate action when a line-set is frozen in an A/C unit you are inspecting?
a. it is appropriate to tell any real estate agents that you are involved with the sale of the home
b. they are not home, leave a note
c. turn the unit off until the line is thawed and resume use.
d. if they are not home, leave a note.
turn the unit off until the line is thawed and resume use.
Most mini-split ductless systems will not operate if the interior temp is below:
a. 75 degrees
b. 70 degrees
70 degrees
A typical ductless split system bottom discharge unit should be a minimum of above the floor measuring to the underside of the air handler:
a. 6 ft
b. 5 ft
c. 4 ft
d. 3 ft
6 ft
A hi-V system removes more humidity than a conventional central air conditioning system.
a. 10%
b. 20%
c. 25%
d. 30%
30%
When checking the emergency heat after checking the heat pump, you will adjust the thermostat to get the heat pump to start in heating mode, and then, once you are done checking the heat pump, adjust the temp up another to get it to kick into emergency heat system.
a. 1 or 2 degrees, 2 or 3 degrees
b. 2 or 3 degrees, 2 or 3 degrees
c. 3 or 4 degrees, BIPHI 4 degrees
2 or 3 degrees, 2 or 3 degrees
What pump should you test a heat pump in cooling mode?
a. 50 degrees
b. 55 degrees
c. a heat pump should be tested in cooling mode only if the outside temp is at or above 60 degrees
d. 70 degrees
a heat pump should be tested in cooling mode only if the outside temp is at or above
What is the appropriate temp drop for a heat pump in heating mode?
a. for cold air, it is 10 to 20 degrees
b. for cold air, it is 15 to 30 degrees
c. for cold air, it is 10 to 15 degrees
d. for cold air, it is 15 to 25 degrees
for cold air, it is 15 to 30 degrees
What is the approximate expected life span for an air source heat pump?
a. 10-15 years
b. 12-14 years
c. 11-16 years
d. 12-17 years
12-14 years
Using Ohm’s law, which of the following scenario is NOT an acceptable circuit load for a single outlet that is 15-amp, 120-volt circuit?
a. can run 2-slice toaster (rated 800 watts) & hand mixer (rated 250 watts)
b. can not run a coffeemaker (900 watts) & a microwave (1200 watts) on same outlet
c. can run a coffeemaker (900 watts) & a microwave (1200 watts) on same outlet
can run a coffeemaker (900 watts) & a microwave (1200 watts) on same outlet
According to the Standard of Practice, what is the representative number of installed lighting fixtures, switches, & receptacles you are required to inspect?
a. at least one per room for multiple similar interior components
b. at least two per room for multiple similar interior components
c. at least two per room for multiple similar interior components & at one exterior on each side of the building for multiple similar exterior components
at least one per room for multiple similar interior components
According to ASHI standard 7.1 inspectors shall inspect all but:
a. service drop
b. service entrance conductors
c. service equipment & main disconnects
d. ground conductors in subpanel enclosures
ground conductors in subpanel enclosures
According to NEC what is the requirement for along the wall line of a countertop from a receptacle?
a. 12”
b. 14”
c. 18”
d. 24”
24”
According to the National Electric Code in residential photovoltaics, no system can exceed any more than __ volts direct current:
a. 300
b. 400
c. 500
d. 600
600
Which of the following is not accurate information regarding the changes in the 2008 NEC?
a. all grounding electrodes present must be bonded together
b. all grounding electrodes must be a minimum of 5ft apart & bonded together
c. metal water pipe, a supplemental electrode is always required
all grounding electrodes must be a minimum of 5ft apart & bonded together
Which one of the following does not meet the minimum clearance for service drop safety measured from the lowest/closest point or bottom of the drip loop:
a. areas adjacent to the house-10ft
b. balconies, decks & porches-10ft, for a distance of 3ft past the railing or edge
c. yards & driveways-10ft
yards & driveways-10ft
Modern kitchen need at least two dedicated receptacles that are :
a. 10 amp circuits
b. 12 amp circuits
c. 15 amp circuits
d. 20 amp circuits
20 amp circuits
An island requires at least one built in outlet with __ maximum countertop side and __ maximum below countertop surface on any side island or peninsula:
a. 3”, 6”
b. 6”, 12”
c. 8”, 12”
6”, 12”
What is the most common type of ductwork used for forced air heating & cooling?
a. fiberglass board
b. flex-duct
c. foil-lined insulated metal-coil
d. steel
Steel
Do not operate a circulated boiler unless there is at least __ pounds of pressure on the gauge.
a. 3 lbs
b. 5 lbs
c. 10 lbs
d. 12 lbs
10 lbs
Which is the most common boiler used to heat residential homes?
a. steam boiler
b. circulated boiler
c. convection boiler
d. conventional boiler
circulated boiler
While combustion space heater sensors are not always reliable, they are supposed to stop the equipment when oxygen levels fall below:
a. 15%
b. 18%
c. 20%
d, 21%
18%
Which type of space heater is allowed in a bedroom in many areas?
a. direct vent space heaters w/sealed combustion chambers
b. ventless gas space heater
c. combustion space heater
d. direct vent heater
direct vent space heaters w/sealed combustion chambers
Typical clearances for direct vent space heaters are 12 inches on both sides, __ inches from the top & 24 inches in front.
a. 24 inches
b. 20 inches
c. 32 inches
d. 36 inches
36 inches
When inspecting fireplaces, exterior clearances include no combustible material __ of the firebox opening for material up to 1.5 inches thick, No combustible material should be within 12 inches if over 1.5 inches thickness.
a. 6 inches
b. 8 inches
c. 15 inches
d. 18 inches
6 inches
When inspecting fireplaces, the hearth extension must be at least __ in depth from the front of the fireplace and __ to each side for openings greater than 6 sq ft.
a. 12 in, 20 in
b. 16 in, 8 in
c. 20 in, 12 in
d. 24 in, 12 in
20 in, 12 in
What type of boiler operates at an average range of 215 degrees Fahrenheit?
a. gravity
b. circulated
c. steam
d. water vapor
steam
Which of he following is/are Standard of Practice for plumbing inspection?
a. sewage injectors, sump pumps, & related piping
b. wells & well pumps
c. septic & other sewage disposal systems
d. water storage & related equipment
sewage injectors, sump pumps, & related piping
Which 2 types of plumbing pipe used together are more likely to corrode when placed in contact with each other?
a. copper & lead
b. lead & galvanized steel
c. galvanized steel & copper
d. brass & copper
galvanized steel & copper
Which type of drainage & vent piping has been in use since the 1800s, is still used in some new home construction, and is quieter than PVO?
a. cast iron & galvanized steel
b. ABS & DWV
c. brass & copper
d. copper & lead
cast iron & galvanized steel
While measuring & reporting on water pressure is not required by the Standard to PSI, if you choose to measure water pressure, it should be
a. 20 to 70 PSI
b. 20 to 80 PSI
c. 30 to 70 PSI
d. 30 to 80 PSI
30 to 80 PSI