HVAC GAS HEAT CERTIFICATION ACTUAL
EXAM 2025 WITH 100 REAL QUESTIONS
AND VERIFIED CORRECT ANSWERS |
ALREADY GRADED A+ | HVAC GAS HEAT
CERTIFICATION TEST LATEST EXAM 2025
|BRAND NEW | GUARANTEED SUCCESS!!
A technician servicing an LP gas furnace notices a tag stating it was converted
from natural gas. He finds a large amount of soot I'm the heat exchanger. What
could be the cause of this soot - ANSWER- Orifice, (spud) too large
A customer tells a technician that his six-month-old furnace stops heating before
the residence is warm. This happens only on very cold nights. The technician
suspects - ANSWER- Incorrect heat anticipatory setting
A standing pilot furnace has a bi-metal fan/ limit control. What are the factory
settings - ANSWER- Fan on 125°F/Fan off 80°F/Limit cut out 200°F
Type B vent pipe is constructed with an inner pipe and an outer pipe. The inner
pipe is made of - ANSWER- Aluminum
On a dedicated vent system, a fire stop support plate is located - ANSWER- Where
it passes through a ceiling
, When venting Category I furnaces, it is sometimes necessary to increase the vent
pipe size. The proper location to adapt to the larger vent is - ANSWER- Two feet
above the furnace connection
You are installing 1/2" and 3/4" black iron pipe to a natural gas furnace. What is
the approximate number of threads - ANSWER- 8-10
The proper name of the tool used to cut the threads of a steel pipe is a - ANSWER-
Die
What would likely be the result of an oversized mid-efficiency furnace -
ANSWER- The heat exchanger would corrode
The normal voltage for a hot surface or glow coil igniter is - ANSWER- 120 volts
You are installing two sections of a rectangular sheet metal duct to the main supply
line. What connectors are used to secure sections of the trunk line - ANSWER- S
connectors and drive clips
Metal ductwork tends to transmit noise and fan vibrations to conditioned spaces in
residential installations. What type of connectors are specified to control this -
ANSWER- Flex connectors
Duct wrap is used to insulate round metal ducts. What is the approximate R-value
for "one inch" of this insulation - ANSWER- R= 3.0
A category 1 natural gas furnace has a typical air temperature rise of - ANSWER-
60°F - 120°F
EXAM 2025 WITH 100 REAL QUESTIONS
AND VERIFIED CORRECT ANSWERS |
ALREADY GRADED A+ | HVAC GAS HEAT
CERTIFICATION TEST LATEST EXAM 2025
|BRAND NEW | GUARANTEED SUCCESS!!
A technician servicing an LP gas furnace notices a tag stating it was converted
from natural gas. He finds a large amount of soot I'm the heat exchanger. What
could be the cause of this soot - ANSWER- Orifice, (spud) too large
A customer tells a technician that his six-month-old furnace stops heating before
the residence is warm. This happens only on very cold nights. The technician
suspects - ANSWER- Incorrect heat anticipatory setting
A standing pilot furnace has a bi-metal fan/ limit control. What are the factory
settings - ANSWER- Fan on 125°F/Fan off 80°F/Limit cut out 200°F
Type B vent pipe is constructed with an inner pipe and an outer pipe. The inner
pipe is made of - ANSWER- Aluminum
On a dedicated vent system, a fire stop support plate is located - ANSWER- Where
it passes through a ceiling
, When venting Category I furnaces, it is sometimes necessary to increase the vent
pipe size. The proper location to adapt to the larger vent is - ANSWER- Two feet
above the furnace connection
You are installing 1/2" and 3/4" black iron pipe to a natural gas furnace. What is
the approximate number of threads - ANSWER- 8-10
The proper name of the tool used to cut the threads of a steel pipe is a - ANSWER-
Die
What would likely be the result of an oversized mid-efficiency furnace -
ANSWER- The heat exchanger would corrode
The normal voltage for a hot surface or glow coil igniter is - ANSWER- 120 volts
You are installing two sections of a rectangular sheet metal duct to the main supply
line. What connectors are used to secure sections of the trunk line - ANSWER- S
connectors and drive clips
Metal ductwork tends to transmit noise and fan vibrations to conditioned spaces in
residential installations. What type of connectors are specified to control this -
ANSWER- Flex connectors
Duct wrap is used to insulate round metal ducts. What is the approximate R-value
for "one inch" of this insulation - ANSWER- R= 3.0
A category 1 natural gas furnace has a typical air temperature rise of - ANSWER-
60°F - 120°F
