Minnesota (MN) 496 Journeyman Fuel Gasfitter
Exam||VERIFIED EXAM!!|| COMPLETE QUESTIONS
AND DETAILED SOLUTIONS LATEST UPDATE THIS
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A floating flae results when a Bunsen burner is given too
much primary air. - Answer-FALSE
Two draft hoods in series in the same vent connector are
OK as long as they are kept in their proper positions. -
Answer-FALSE
A corrugated chimney lining system will have its maximum
capacity reduced by 10%. - Answer-FALSE
The 20 BTU rule is used when you have a large vented
appliance in a small area. - Answer-FALSE
Class B vents are used for gas but should not be used for
other fuels. - Answer-TRUE
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Insufficient secondary air to a gas flame may be caused by
a stoppage in the flue-way of the gas appliance. - Answer-
TRUE
A person often does not know when he is breathing
carbon monoxide. - Answer-TRUE
To find the cubic feet per hour of gas that an appliance will
use, you multiply the BTU input by 1000 BTUs. - Answer-
FALSE
This is the maximum setting for limit control:
Hot water closed system - 250° - Answer-False (240°)
This is the maximum setting for limit control:
Hot water open system -212° - Answer-TRUE
This is the maximum setting for limit control:
Steam - 151btu (?) - Answer-TRUE
This is the maximum setting for limit control:
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Gravity warm air - 240° - Answer-FALSE - 250°
This is the maximum setting for limit control:
Forced warm air - 200° - Answer-TRUE
Before installing gas appliances, the three reuirements of
the law that must be met are: - Answer-1. The installer
must be a registered gas fitter,
2. The installer must secure a permit.
3. The appliance must be an approved type and registerd
by the A.G.A.
When putting gas appliances in service, it is necessary to
clock the gas meter to determine the proper consumption.
- Answer-TRUE
You may reduce the size of the vent connector after
leaving the draft hood is the run is short. - Answer-FALSE
Pressure and opening size determine the volume of gas
that will pass through an orifice. - Answer-TRUE
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Minimum pipe size for a water heater is 1/2". - Answer-
TRUE
A draft hood shall be located so its relief opening (skirt) is
not less than 6" from any surface unless otherwise
specified by the equipment label. - Answer-TRUE
It is permissibie to bend gas pipe if you do not exceed a
45° angle. - Answer-FALSE
A draft hood is placed on a gas appliance to give the
chimney a better draw. - Answer-FALSE
It is permissible to run a gas line through an area that is
exposed to extreme temperature changes - Answer-
FALSE
It is permissible to install an appliance at less than the
minimum clearance supplied by the manufacturer. -
Answer-FALSE