G2 exam
1 millivolt is identical to - ANS-1/a thousand of a volt
A clothes dryer utilizing fuel or propane is taken into consideration to be aside of what machine -
ANS-Mechanical
A cylinder comfort valve have to discharge at - ANS-375 PSIG
A depressurization check will decide - ANS-Potential for pressure brought on backdrafting in the
residence
A diode - ANS-Allows present day to handiest glide in one direction
A draft hood will save you what? - ANS-A down draft from coming into an equipment
A Fan Control is a: - ANS-Normally Open Temperature Control that Closes on Temperature Rise
A fireplace tube boiler had - ANS-Water outside the tube and glue gases interior
A compelled heat air furnace uses________ form of heat switch to warmth a domestic -
ANS-Convective
A furnace is located to be cycling on the high restriction. The fan rotation, belt, clear out and the
clocked enter is consistent with the rating plate. What is the most Lilly trouble - ANS-go back air
volume is just too low
A slow lower in cooling efficiency of a fuel fired refrigerator is indicative of? - ANS-Off-level
operation
A panel hooked up floor fault interrupter breaker protects all - ANS-Loads in the circuit served
via that breaker
A pilot flame need to envelop____________ of the thermocouple tip - ANS-3/eight to 1/2 inch
A poorly insulated building could bring about - ANS-Increased gas intake
A pressure setting on a alleviation device must be better than the bottom putting - ANS-False
A propane vaporizer shall not raise the stress within the tank in extra of - ANS-215psig (1500
kPa)
,A receptacle-established ground fault interrupter protects towards? - ANS-Current float to floor
A retrofit youngster performance is sized in keeping with - ANS-The warmth lack of a residence
A room heater mounted in both a snoozing place or a public vicinity will be ready with - ANS-A
regulator
A 2nd stage regulator located exterior will be established - ANS-Vertically with the vent at the
lowest or going through down
A quick circuit is classified as a - ANS-Overcurrent
A quick circuit is labeled as a - ANS-Short circuit
A SPARK GAP for proper ignition would be - ANS-1/sixteen of an inch
A therm-o-disc operating the door locking mechanism in a self cleaning oven locks at -
ANS-650F (340c)
A zero ohmmeter reading taken among the casing of a solenoid and a disconnected cord to the
solenoid shows that: - ANS-The coil is shorted to the casing of the tool
After the appliance has been checked and repaired, what's finished previous to conversion -
ANS-Combustion air and venting gadget ought to be re-sized for the brand new fuel
After welding is finished in a place wherein combustibles fabric is present, how long shall a
hearth watch be maintained - ANS-30 minutes
All line voltage circuits have a continuous ground from the distribution panel to in which? -
ANS-Each junction container, receptacle and applianxe
All relay contacts on a electrical schematic must be unique to - ANS-The identical coil that
operates them
An equipment draft hood guarantees - ANS-Zero over fireplace draft.
An equipment is labeled as condensing if - ANS-Water vapour condenses in the secondary
warmness exchanger
An running aquastat is a control - ANS-Normally closed
And exhaust air fan in a rest room - ANS-Helps reduce excessive moisture buildup inside the
constructing
, Armored cable is known as - ANS-BX cable
As the duration of a conductor will increase - ANS-It's resistance increases
As the temperature difference among the outdoor and indoor temp boom the stack impact -
ANS-Causes an increase in air strain within the top levels of the constructing
As the temperature of a thermistor increases, the modern-day glide through it - ANS-Increases
Backflow Preventer used in a boiler device ought to be positioned inside the - ANS-Make up
water line to the machine
Before an appliance is converted to herbal fuel it have to be - ANS-Thoroughly cleaned
Before lighting a burner in a steam boiler make certain that - ANS-There is water inside the
boiler
Branch circuit fuses sizes is determined through - ANS-The length of cord
Burner interlock glide switch's are commonly used on boilers which have__________ water
capacites - ANS-Small
Can a wall furnace be hooked up immediately on a wood floor - ANS-Yes
Combo structures are designed to deliver _________ of the calculated heat loss for a
constructing - ANS-a hundred and twenty%
Condensate in a boiler heating system is - ANS-Water in a Steam Boiler return line
Convection is the - ANS-Heat transfer thru fluids
Currently the maximum commonplace form of building built is a - ANS-Platform
Cylinders for production heaters shall be blanketed via a collar - ANS-At all instances, together
with whilst linked for seevice
Direct modern-day only travels in - ANS-One course
Flue gases condensate at approximately - ANS-127F
For appliances with the same input, the equal orfice used for a propane equipment have to be -
ANS-Smaller than the orfice used for herbal gas
1 millivolt is identical to - ANS-1/a thousand of a volt
A clothes dryer utilizing fuel or propane is taken into consideration to be aside of what machine -
ANS-Mechanical
A cylinder comfort valve have to discharge at - ANS-375 PSIG
A depressurization check will decide - ANS-Potential for pressure brought on backdrafting in the
residence
A diode - ANS-Allows present day to handiest glide in one direction
A draft hood will save you what? - ANS-A down draft from coming into an equipment
A Fan Control is a: - ANS-Normally Open Temperature Control that Closes on Temperature Rise
A fireplace tube boiler had - ANS-Water outside the tube and glue gases interior
A compelled heat air furnace uses________ form of heat switch to warmth a domestic -
ANS-Convective
A furnace is located to be cycling on the high restriction. The fan rotation, belt, clear out and the
clocked enter is consistent with the rating plate. What is the most Lilly trouble - ANS-go back air
volume is just too low
A slow lower in cooling efficiency of a fuel fired refrigerator is indicative of? - ANS-Off-level
operation
A panel hooked up floor fault interrupter breaker protects all - ANS-Loads in the circuit served
via that breaker
A pilot flame need to envelop____________ of the thermocouple tip - ANS-3/eight to 1/2 inch
A poorly insulated building could bring about - ANS-Increased gas intake
A pressure setting on a alleviation device must be better than the bottom putting - ANS-False
A propane vaporizer shall not raise the stress within the tank in extra of - ANS-215psig (1500
kPa)
,A receptacle-established ground fault interrupter protects towards? - ANS-Current float to floor
A retrofit youngster performance is sized in keeping with - ANS-The warmth lack of a residence
A room heater mounted in both a snoozing place or a public vicinity will be ready with - ANS-A
regulator
A 2nd stage regulator located exterior will be established - ANS-Vertically with the vent at the
lowest or going through down
A quick circuit is classified as a - ANS-Overcurrent
A quick circuit is labeled as a - ANS-Short circuit
A SPARK GAP for proper ignition would be - ANS-1/sixteen of an inch
A therm-o-disc operating the door locking mechanism in a self cleaning oven locks at -
ANS-650F (340c)
A zero ohmmeter reading taken among the casing of a solenoid and a disconnected cord to the
solenoid shows that: - ANS-The coil is shorted to the casing of the tool
After the appliance has been checked and repaired, what's finished previous to conversion -
ANS-Combustion air and venting gadget ought to be re-sized for the brand new fuel
After welding is finished in a place wherein combustibles fabric is present, how long shall a
hearth watch be maintained - ANS-30 minutes
All line voltage circuits have a continuous ground from the distribution panel to in which? -
ANS-Each junction container, receptacle and applianxe
All relay contacts on a electrical schematic must be unique to - ANS-The identical coil that
operates them
An equipment draft hood guarantees - ANS-Zero over fireplace draft.
An equipment is labeled as condensing if - ANS-Water vapour condenses in the secondary
warmness exchanger
An running aquastat is a control - ANS-Normally closed
And exhaust air fan in a rest room - ANS-Helps reduce excessive moisture buildup inside the
constructing
, Armored cable is known as - ANS-BX cable
As the duration of a conductor will increase - ANS-It's resistance increases
As the temperature difference among the outdoor and indoor temp boom the stack impact -
ANS-Causes an increase in air strain within the top levels of the constructing
As the temperature of a thermistor increases, the modern-day glide through it - ANS-Increases
Backflow Preventer used in a boiler device ought to be positioned inside the - ANS-Make up
water line to the machine
Before an appliance is converted to herbal fuel it have to be - ANS-Thoroughly cleaned
Before lighting a burner in a steam boiler make certain that - ANS-There is water inside the
boiler
Branch circuit fuses sizes is determined through - ANS-The length of cord
Burner interlock glide switch's are commonly used on boilers which have__________ water
capacites - ANS-Small
Can a wall furnace be hooked up immediately on a wood floor - ANS-Yes
Combo structures are designed to deliver _________ of the calculated heat loss for a
constructing - ANS-a hundred and twenty%
Condensate in a boiler heating system is - ANS-Water in a Steam Boiler return line
Convection is the - ANS-Heat transfer thru fluids
Currently the maximum commonplace form of building built is a - ANS-Platform
Cylinders for production heaters shall be blanketed via a collar - ANS-At all instances, together
with whilst linked for seevice
Direct modern-day only travels in - ANS-One course
Flue gases condensate at approximately - ANS-127F
For appliances with the same input, the equal orfice used for a propane equipment have to be -
ANS-Smaller than the orfice used for herbal gas
