AHIT EVALUATION EXAM UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
✔✔The neutral and the ground wires in a sub-panel must be: - ✔✔Separated and the
neutral wire isolated from the panel.
✔✔What should the home inspector do if he or she finds aluminum branch circuit
wiring? - ✔✔recommend an electrician familiar with Al wiring be called in to evaluate the
service
✔✔A three-prong receptacle with an open ground:
A) is okay
B) should be replaced with a 2 prong outlet
C) should not be reported
D) should not be tested - ✔✔B) should be replaced with a 2 prong outlet
✔✔Reverse polarity is
A) wired without a ground
B) possible to cause a shock hazard
C) hot and neutral wires reversed
D) Both B & C - ✔✔D) possible to cause a shock hazard and hot/neutral wires reversed.
✔✔A new electric dryer circuit
A) must be dedicated
B) must be grounded
C) is typically 220 volts
D) must have 4 wires
E) all of the above - ✔✔E - all of the above
✔✔When inspecting the heating equipment, the inspector is NOT REQUIRED to
A) operate the system using normal operating controls
B) open readily openable access panels provided by the manufacturer
C) observe automatic safety controls
D) operate heating systems when conditions may cause equipment damage - ✔✔D)
operate heating systems when conditions may cause equipment damage
✔✔What color should the flame be in a properly operating oil burner? - ✔✔Bright
orange or yellow-white
✔✔What are the results of complete combustion? - ✔✔carbon dioxide and water vapor
✔✔What are the results of incomplete combustion? - ✔✔carbon monoxide and pure
carbon/soot
, ✔✔What is the function of a fan/limit switch? - ✔✔-controls when the fan turns on and
off
-shuts off the burners if the furnace overheats
✔✔What are the signs that there is a crack in the heat exchanger?
A) Irregular flame pattern when blower is running
B) severe rusting of heat exchanger
C) strange smells at register
D) all of the above - ✔✔D) all of the above
✔✔what are the three major components of a forced air furnace? - ✔✔heat exchanger
blower
burner
✔✔In a steam heating system, a normal operating pressure is - ✔✔2-3 psi
✔✔At what point in the A/C cooling cycle does the liquid turn to gas - ✔✔in the
evaporator coil
✔✔What A/C component functions to put refrigerant gas under a high pressure? -
✔✔compressor
✔✔Another name for a 4-way valve is: - ✔✔reversing valve
✔✔The two main components of an air-cooled air conditioning system are? -
✔✔evaporator and condensing unit
✔✔evaporative (swamp) coolers
A) have absorbent mats
B) have a pump and a reservoir
C) use water through evaporation
D) have a blower and ductwork
E) all of the above - ✔✔E) all of the above
✔✔In an older home, a forced warm air furnace is replaced with a heat pump, the air
temperature coming out of the register is comparatively: - ✔✔cooler
✔✔How do you determine if a shower door has safety glazing? - ✔✔Marked in one of
the corners.
✔✔What is the headroom clearance in a stairwell? - ✔✔6'8"
ANSWERS
✔✔The neutral and the ground wires in a sub-panel must be: - ✔✔Separated and the
neutral wire isolated from the panel.
✔✔What should the home inspector do if he or she finds aluminum branch circuit
wiring? - ✔✔recommend an electrician familiar with Al wiring be called in to evaluate the
service
✔✔A three-prong receptacle with an open ground:
A) is okay
B) should be replaced with a 2 prong outlet
C) should not be reported
D) should not be tested - ✔✔B) should be replaced with a 2 prong outlet
✔✔Reverse polarity is
A) wired without a ground
B) possible to cause a shock hazard
C) hot and neutral wires reversed
D) Both B & C - ✔✔D) possible to cause a shock hazard and hot/neutral wires reversed.
✔✔A new electric dryer circuit
A) must be dedicated
B) must be grounded
C) is typically 220 volts
D) must have 4 wires
E) all of the above - ✔✔E - all of the above
✔✔When inspecting the heating equipment, the inspector is NOT REQUIRED to
A) operate the system using normal operating controls
B) open readily openable access panels provided by the manufacturer
C) observe automatic safety controls
D) operate heating systems when conditions may cause equipment damage - ✔✔D)
operate heating systems when conditions may cause equipment damage
✔✔What color should the flame be in a properly operating oil burner? - ✔✔Bright
orange or yellow-white
✔✔What are the results of complete combustion? - ✔✔carbon dioxide and water vapor
✔✔What are the results of incomplete combustion? - ✔✔carbon monoxide and pure
carbon/soot
, ✔✔What is the function of a fan/limit switch? - ✔✔-controls when the fan turns on and
off
-shuts off the burners if the furnace overheats
✔✔What are the signs that there is a crack in the heat exchanger?
A) Irregular flame pattern when blower is running
B) severe rusting of heat exchanger
C) strange smells at register
D) all of the above - ✔✔D) all of the above
✔✔what are the three major components of a forced air furnace? - ✔✔heat exchanger
blower
burner
✔✔In a steam heating system, a normal operating pressure is - ✔✔2-3 psi
✔✔At what point in the A/C cooling cycle does the liquid turn to gas - ✔✔in the
evaporator coil
✔✔What A/C component functions to put refrigerant gas under a high pressure? -
✔✔compressor
✔✔Another name for a 4-way valve is: - ✔✔reversing valve
✔✔The two main components of an air-cooled air conditioning system are? -
✔✔evaporator and condensing unit
✔✔evaporative (swamp) coolers
A) have absorbent mats
B) have a pump and a reservoir
C) use water through evaporation
D) have a blower and ductwork
E) all of the above - ✔✔E) all of the above
✔✔In an older home, a forced warm air furnace is replaced with a heat pump, the air
temperature coming out of the register is comparatively: - ✔✔cooler
✔✔How do you determine if a shower door has safety glazing? - ✔✔Marked in one of
the corners.
✔✔What is the headroom clearance in a stairwell? - ✔✔6'8"
