Journeyman's Test Questions and
Answers 100% Accurate
Minimum width unobstructed provided for all sides of a boiler - ANSWER-18
inches
When only horizontal ducts are used and all the combustion air is taken from
the outside, grate opening shall be size based on how many BTUs hour -
ANSWER-2000 BTUs an hour / vertical 4000 BTUs an hour
Improper use of suction filter dryer may cause - ANSWER-Restriction of flow
What do you never cut off in a mechanical room - ANSWER-Ventilation
exhaust
The unthreaded portion of piping outlets shall extend not more than how
many inches through finished ceiling - ANSWER-1 inch
, Refrigeration system with more than 6.6 pounds of refrigerant will NOT have
a stop valve where - ANSWER-Inlet of the receiver
Type II hood shall be constructed of what - ANSWER-Copper sheet weight not
less than 24 ounces per square foot
Safety relief piping on boilers should be of what type - ANSWER-Rigid pipe
Rooftop duct insulation grade commercial applications - ANSWER-R-8
An 8 inch exhaust must penetrate a roof at least - ANSWER-2.5 inches
What is a flat bonnet on a wood curb meant for - ANSWER-Multiple vents
What is the temperature a T-Stat will go on if a space under the house is
used as an open plenum on heating systems - ANSWER-265°
What is not an acceptable flange gasket material - ANSWER-Bronze
Answers 100% Accurate
Minimum width unobstructed provided for all sides of a boiler - ANSWER-18
inches
When only horizontal ducts are used and all the combustion air is taken from
the outside, grate opening shall be size based on how many BTUs hour -
ANSWER-2000 BTUs an hour / vertical 4000 BTUs an hour
Improper use of suction filter dryer may cause - ANSWER-Restriction of flow
What do you never cut off in a mechanical room - ANSWER-Ventilation
exhaust
The unthreaded portion of piping outlets shall extend not more than how
many inches through finished ceiling - ANSWER-1 inch
, Refrigeration system with more than 6.6 pounds of refrigerant will NOT have
a stop valve where - ANSWER-Inlet of the receiver
Type II hood shall be constructed of what - ANSWER-Copper sheet weight not
less than 24 ounces per square foot
Safety relief piping on boilers should be of what type - ANSWER-Rigid pipe
Rooftop duct insulation grade commercial applications - ANSWER-R-8
An 8 inch exhaust must penetrate a roof at least - ANSWER-2.5 inches
What is a flat bonnet on a wood curb meant for - ANSWER-Multiple vents
What is the temperature a T-Stat will go on if a space under the house is
used as an open plenum on heating systems - ANSWER-265°
What is not an acceptable flange gasket material - ANSWER-Bronze
