MINNESOTA SPECIAL ENGINEER BOILER LICENSE
EXAM | FREQUENTLY TESTED QUESTIONS WITH
CORRECT ANSWERS | BRAND NEW!
When pressure of steam increases, what happens to the
temperature?
a) Goes up
b) Goes down
c) Remains the same
a) Goes up
Find the square feet of heating surface of a flu 4" in diameter and
20' in length:
a) 25'sq
b) 251.32'sq
c) 2513'sq
d) 20.93'sq
D) 20.93'sq
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What is the minimum size of the pipes connecting the boiler to
the water column?
a) 3/4 inch
b) 1 inch
c) 1/2 inch
a) 3/4 inch
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Why are crosses used instead of ells on water column
connections?
a) Cost less
b) Has more strength
c) Line may be easily cleaned
C) line may be easily cleaned
Can you have valves between boiler and water column?
a) Yes, if they are locked or sealed open
b) No, they might be closed accidentally
c) Only if the boiler is under 100 horsepower
a) Yes, if they are locked or sealed open
Can you have valves between boiler and water column?
a) Yes, if they are locked or sealed open
b) No, they might be closed accidentally
c) Only if the boiler is under 100 horsepower
a) Yes, if they are locked or sealed open
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In the HRT boiler, the fuse plug is located in the rear head,
inches above the top
row of tubes.
a) 2"
b) 1/2"
c) 1"