Boiler Inspector Exam Previous Year Multiple Choice Questions With Answer
1. Which of the following is NOT a feature of a good boiler?
a) Light in weight
b) Steam production rate should be as per requirement
c) Capable of quick starting
d) Water and gas circuits should be such as to allow maximum fluid velocity
Ans. d
2. Which of the following according to boiler terminology, is the term used for the deposition of medium to extreme hardness occurring on water heating surfaces because of undesirable condition in the boiler water?
a) Refractory
b) Foaming
c) Scale
d) Lagging
Ans. c
3. According to boiler terminology, the removal of the mud and other impurities of water from the lowest part of the boiler is termed as _____
a) lagging
b) blowing off
c) waste removal
d) foaming
Ans. b
4. Furnace is also called fire-box.
a) True
b) False
Ans. a
5. Which of the following is a refractory material?
a) Fire brick
b) Plastic
c) Wood
d) Paper
Ans. a
6. In Simple Vertical boiler, the ash that falls off from the grate falls in the _____
a) sink
b) ash pit
c) ash disposer
d) down-header
Ans. a
7. What is the highest steam production rate that can be achieved by Simple Vertical boiler?
a) 1000 kg/hr
b) 2500 kg/hr
c) 3000 kg/hr
d) 5000 kg/hr
Ans. b
8. What is the purpose of fire door in boilers?
a) It is opened to increase air supply for combustion
b) It is opened to put out the fire, in case of emergency
c) It allows the hot gases to pass safely through chimney
d) It is used to feed fuel for combustion
Ans. d
9. Which of the following statements is correct about the smoke box in boilers?
a) It collects smoke and is emptied later after being done operating the boiler
b) It regulates hot gases from tubes to chimney
c) It treats the smoke before it is released to the atmosphere
d) It is used to store ashes
Ans. b
10. Lancashire boiler is easy to operate and has less maintenance and operating costs.
a) True
b) False
Ans. a
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