MA 2nd CLASS (107-212) FIREMAN EXAM LATEST 2025 WITH
COMPLETE QUESTIONS AND CORRECT VERIFIED ANSWERS
ALREADY GRADED A+ 100% GUARANTEED PASS!
What is the minimum pipe size of the gauge glass blowdown line?
A. 3/8 inch
B. 1/2 inch
C. 3/4 inch
D. 1 inch - CORRECT ANSWER-A. 3/8 inch
Only one bottom blowdown valve is required for boilers under
A. 100ft^2 of heating surface
B. 500 ft^2 of heating surface
C. 100 psi MAWP
D. 500 psi MAWP - CORRECT ANSWER-C. 100 psi MAWP
The type of safety valve allowed on boilers is the
A. Weight and lever
B. Thermostatic relief
C. Spring-loaded pop
,D. All the above - CORRECT ANSWER-C. Spring-loaded pop
Who is authorized to repair and adjust safety valves?
A. Chief engineer
B. State inspector
C. Insurance inspector
D. Manufacturer's representative - CORRECT ANSWER-D. Manufacturer's
representative
Cast iron boilers can be used
A. Only for process steam
B. Only for low-pressure plants
C. Only for high-pressure plants
D. In high or low pressure plants - CORRECT ANSWER-B. Only for low-
pressure plants
Which valve allows fluid to flow in one direction only?
A. Check
B. Plug
C. Globe
D. Stop - CORRECT ANSWER-A. Check
To stop a safety valve from chattering
, A. Increase tension on the spring
B. Decrease tension on the spring
C. Raise the blowdown ring
D. Lower the blowdown ring - CORRECT ANSWER-C. Raise the blowdown ring
The minimum permitted size of the water column pipe connection is
A. 3/8 inch
B. 1/2 inch
C. 3/4 inch
D. 1 inch - CORRECT ANSWER-D. 1 inch
The number of complete turns required between opened and closed on a slow-
opening valve is
A. Three
B. Five
C. Seven
D. Nine - CORRECT ANSWER-B. Five
What is the principle of the Bourdon tube?
A. Thermal reaction
B. Hydraulic impulse
C. Electrical impulse
D. Pressure straightens out tube - CORRECT ANSWER-D. Pressure straightens
out tube
COMPLETE QUESTIONS AND CORRECT VERIFIED ANSWERS
ALREADY GRADED A+ 100% GUARANTEED PASS!
What is the minimum pipe size of the gauge glass blowdown line?
A. 3/8 inch
B. 1/2 inch
C. 3/4 inch
D. 1 inch - CORRECT ANSWER-A. 3/8 inch
Only one bottom blowdown valve is required for boilers under
A. 100ft^2 of heating surface
B. 500 ft^2 of heating surface
C. 100 psi MAWP
D. 500 psi MAWP - CORRECT ANSWER-C. 100 psi MAWP
The type of safety valve allowed on boilers is the
A. Weight and lever
B. Thermostatic relief
C. Spring-loaded pop
,D. All the above - CORRECT ANSWER-C. Spring-loaded pop
Who is authorized to repair and adjust safety valves?
A. Chief engineer
B. State inspector
C. Insurance inspector
D. Manufacturer's representative - CORRECT ANSWER-D. Manufacturer's
representative
Cast iron boilers can be used
A. Only for process steam
B. Only for low-pressure plants
C. Only for high-pressure plants
D. In high or low pressure plants - CORRECT ANSWER-B. Only for low-
pressure plants
Which valve allows fluid to flow in one direction only?
A. Check
B. Plug
C. Globe
D. Stop - CORRECT ANSWER-A. Check
To stop a safety valve from chattering
, A. Increase tension on the spring
B. Decrease tension on the spring
C. Raise the blowdown ring
D. Lower the blowdown ring - CORRECT ANSWER-C. Raise the blowdown ring
The minimum permitted size of the water column pipe connection is
A. 3/8 inch
B. 1/2 inch
C. 3/4 inch
D. 1 inch - CORRECT ANSWER-D. 1 inch
The number of complete turns required between opened and closed on a slow-
opening valve is
A. Three
B. Five
C. Seven
D. Nine - CORRECT ANSWER-B. Five
What is the principle of the Bourdon tube?
A. Thermal reaction
B. Hydraulic impulse
C. Electrical impulse
D. Pressure straightens out tube - CORRECT ANSWER-D. Pressure straightens
out tube
