NC Home Inspector Pass The Test #2
Correct 100%
The name of the pan located under the evaporator coil in an A/C unit is called:
a) Overthrow Pan
b) Condensate Collection Pan
c) Condensate Overflow Pan
d) Evaporator Collection Pan - ANSWER b) Condensate Collection Pan
In the air conditioning mode, the air passing through the condensing coil will feel:
a) Cooler than normal
b) Warmer than outside air
c) Cooler than the outside air
d) Warmer than normal - ANSWER b) Warmer than outside air.
In a gas fired furnace, the heat exchanger is placed where?
A) Before the inside fan
B) After the evaporator
C) After the inside fan
D) After the condensing unit - ANSWER C) After the inside fan
The purpose of a sump heater at the base of a compressor unit is to:
A) Pump oil to the compressor
B) remove oil to the compressor
C) Warms the oil used for lubrication of the compressor.
D) Warm the Freon gas - ANSWER C) warms the oil used for the lubrication of the
compressor
The thermocouple in a gas fired furnace unit monitors the:
A) Fan motor
B) Burner flame
C) Pilot light
D) gas valve - ANSWER C) Pilot light
In a gas fired furnace, incomplete combustion will produce what?
A) Carbon dioxide
B) Carbon Monoxide
C) Methane gas
D) Oxygen - ANSWER B) Carbon Monoxide
Pressure relief valves must be installed:
A) At the top left side of the boiler
B) At the bottom side of the boiler
C) At the right side of the boiler
, D) At the top side of the boiler - ANSWER D) At the top side of the boiler
Water absorbs large quantities of heat when it vaporizes into steam and it gives up the
heat when it __________________ back into a liquid.
A) Evaporates
B) Condenses
C) Changes
D) Solidifies - ANSWER B) Condenses
True or False: When a heat exchanger is used to produce warm air, it is called a
furnace. When it produces hot water or steam, it is called a boiler. - ANSWER True
The only true condensing furnace is in the ______% range.
A) 80
B) 70
C) 90
D) 110 - ANSWER C) 90
The increase in efficiency is the result of the installation of a secondary
_________________.
A) Air handler
B) Heat exchanger
C) Fan motor
D) Inducer motor - ANSWER B) Heat exchanger
In a _____________________ furnace, The heat produced results from 60 to 70 tiny
explosions of a gas-air mixture per second in the combustion chamber.
A) Pulse-combustion
B) Gas-combustion
C) Gas-fired
D) Propane-combustion - ANSWER A) Pulse-combustion
There are two types of water circulating pumps used in hot water heating systems,
constant operating and ____________ operating
A) Continuous
B) Pulse
C) Sporadically
D) Intermittently - ANSWER D) Intermittently
1 PSI is equivalent to a column of water measuring ________ feet high.
A) 2.31
B) 31.2
C) 2.91
D) 4.21 - ANSWER A) 2.31
Correct 100%
The name of the pan located under the evaporator coil in an A/C unit is called:
a) Overthrow Pan
b) Condensate Collection Pan
c) Condensate Overflow Pan
d) Evaporator Collection Pan - ANSWER b) Condensate Collection Pan
In the air conditioning mode, the air passing through the condensing coil will feel:
a) Cooler than normal
b) Warmer than outside air
c) Cooler than the outside air
d) Warmer than normal - ANSWER b) Warmer than outside air.
In a gas fired furnace, the heat exchanger is placed where?
A) Before the inside fan
B) After the evaporator
C) After the inside fan
D) After the condensing unit - ANSWER C) After the inside fan
The purpose of a sump heater at the base of a compressor unit is to:
A) Pump oil to the compressor
B) remove oil to the compressor
C) Warms the oil used for lubrication of the compressor.
D) Warm the Freon gas - ANSWER C) warms the oil used for the lubrication of the
compressor
The thermocouple in a gas fired furnace unit monitors the:
A) Fan motor
B) Burner flame
C) Pilot light
D) gas valve - ANSWER C) Pilot light
In a gas fired furnace, incomplete combustion will produce what?
A) Carbon dioxide
B) Carbon Monoxide
C) Methane gas
D) Oxygen - ANSWER B) Carbon Monoxide
Pressure relief valves must be installed:
A) At the top left side of the boiler
B) At the bottom side of the boiler
C) At the right side of the boiler
, D) At the top side of the boiler - ANSWER D) At the top side of the boiler
Water absorbs large quantities of heat when it vaporizes into steam and it gives up the
heat when it __________________ back into a liquid.
A) Evaporates
B) Condenses
C) Changes
D) Solidifies - ANSWER B) Condenses
True or False: When a heat exchanger is used to produce warm air, it is called a
furnace. When it produces hot water or steam, it is called a boiler. - ANSWER True
The only true condensing furnace is in the ______% range.
A) 80
B) 70
C) 90
D) 110 - ANSWER C) 90
The increase in efficiency is the result of the installation of a secondary
_________________.
A) Air handler
B) Heat exchanger
C) Fan motor
D) Inducer motor - ANSWER B) Heat exchanger
In a _____________________ furnace, The heat produced results from 60 to 70 tiny
explosions of a gas-air mixture per second in the combustion chamber.
A) Pulse-combustion
B) Gas-combustion
C) Gas-fired
D) Propane-combustion - ANSWER A) Pulse-combustion
There are two types of water circulating pumps used in hot water heating systems,
constant operating and ____________ operating
A) Continuous
B) Pulse
C) Sporadically
D) Intermittently - ANSWER D) Intermittently
1 PSI is equivalent to a column of water measuring ________ feet high.
A) 2.31
B) 31.2
C) 2.91
D) 4.21 - ANSWER A) 2.31
