3A2 ABSA REVIEWER 2024
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
A copper conductor (coefficient of resistance = 0.0039) has a resistance of 4.78
ohms at 60 °C. At 20 °C the resistance would be
Natural gas
QUESTION 2
Which type of fuel requires the smallest amount of excess air
natural gas advantages
ample supply, low cost, less air pollution, high net yield
can charge of full heating boilers
QUESTION 3
A fourth class certificate of competency enables work
boiler water level and steam flow
END OF
PAGE 1
, 3A2 ABSA REVIEWER 2024
QUESTION 4
In a two element feedwater control the following items are measured: Administrator
One who manages affairs of any kind.
25 mm
QUESTION 5
The lowest visible part of the water gage glass shall be at least above the
lowest permissible water level by boiler above 103 kPa.
END OF
PAGE 2
, 3A2 ABSA REVIEWER 2024
20 deg C
QUESTION 6
After a boiler has been completed, it shall be subjected to pressure tests using water
at not less than ambient temperature, but in no case less than
differs in magnitude only
QUESTION 7
At different points on the surface of the Earth, does the magnetic field differ in
direction, magnitude, or both?
0.0425m^3
QUESTION 8
Which volume capacity of boiler is exempt from requiring a certificate?
R1+R2+R3
END OF
PAGE 3
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
A copper conductor (coefficient of resistance = 0.0039) has a resistance of 4.78
ohms at 60 °C. At 20 °C the resistance would be
Natural gas
QUESTION 2
Which type of fuel requires the smallest amount of excess air
natural gas advantages
ample supply, low cost, less air pollution, high net yield
can charge of full heating boilers
QUESTION 3
A fourth class certificate of competency enables work
boiler water level and steam flow
END OF
PAGE 1
, 3A2 ABSA REVIEWER 2024
QUESTION 4
In a two element feedwater control the following items are measured: Administrator
One who manages affairs of any kind.
25 mm
QUESTION 5
The lowest visible part of the water gage glass shall be at least above the
lowest permissible water level by boiler above 103 kPa.
END OF
PAGE 2
, 3A2 ABSA REVIEWER 2024
20 deg C
QUESTION 6
After a boiler has been completed, it shall be subjected to pressure tests using water
at not less than ambient temperature, but in no case less than
differs in magnitude only
QUESTION 7
At different points on the surface of the Earth, does the magnetic field differ in
direction, magnitude, or both?
0.0425m^3
QUESTION 8
Which volume capacity of boiler is exempt from requiring a certificate?
R1+R2+R3
END OF
PAGE 3
