BOILER LICENSE A TEST QUESTIONS & ANSWERS RATED 100% CORRECT

BOILER LICENSE A TEST QUESTIONS & ANSWERS RATED
100% CORRECT
1. a. 84.78
In a boiler room there is an HRT boiler with the following dimensions:
FIND OUT
the drum is 96 inches in diameter and 36 ft long; there are a total of
WHY
90 tubes, 4 inches in diameter,; and the boiler shell is bricked 1/3 of
the distance from above.

What is the total heating surface of the tube sheets, in square feet?


Select one:


a. 84.78 Correct

b. 101.87

c. 74.80

d. 95.31
2. d. open the
fire- When performing an inspection of the internal structure inside the steam
and
sides and remove water drum during annual maintenance on a water tube boiler, what
are the
the
burners

3.




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,BOILER LICENSE A TEST QUESTIONS & ANSWERS RATED
100% CORRECT
necessary
precautions?


Select one:


a. lock and tag
the safety valve

b. follow confined
space entry
procedures

c. open the
bottom blowdown
lines to prevent
backflow

d. open the
firesides and
remove the
burners




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,BOILER LICENSE A TEST QUESTIONS & ANSWERS RATED
100% CORRECT
a. to prevent Why is it necessary to keep a water seal on the atmospheric relief valve?
air from
entering the
condenser Select one:


a. to prevent air from entering the condenser

b. stop steam from blowing out of the turbine

c. prevent particulates from entering the turbine

d. stop steam from entering the turbine

4. Q=M*C*(T2-T1) What is the quantity of heat needed to raise 40 pounds of air from 60
Q=M*C degrees F to 550 degrees F?
air*(T2-T1)
Q=40*.24*550-40
Q=40*.24*490 Select
Q=4704 BTU one:

a. 2,326 Btu

b. 5,415 Btu

c. 4,704

d. 504 Btu

5. d. carbonite Which of the following is not a type of coal?


Select one:



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, BOILER LICENSE A TEST QUESTIONS & ANSWERS RATED
100% CORRECT
a. lignite




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