1. Stationary boilers are used for _____
a) locomotive applicationsb) temporary applications
c) power plant steam generation
d) marine application
Ans. c
2. Which of the following is a single tube boiler?
a) Cornish boiler
b) Lancashire boiler
c) Benson boiler
d) Cochran boiler
a) Cornish boiler
b) Lancashire boiler
c) Benson boiler
d) Cochran boiler
Ans. a
3. Which of the following is NOT true about Babcock and Wilcox boiler?
a) Water tube boiler
b) Externally fired
c) High pressure boiler
d) Single tube
a) Water tube boiler
b) Externally fired
c) High pressure boiler
d) Single tube
Ans. d
4. Which of the following is NOT a forced circulation boiler?
a) Velox boiler
b) Lancashire boiler
c) Lamont boiler
d) Benson boiler
a) Velox boiler
b) Lancashire boiler
c) Lamont boiler
d) Benson boiler
Ans. b
5. Which of the following statement is TRUE about fire tube and water tube boilers?
a) Fire tube boilers have high risk of bursting than water tube boilers
b) Water tube boilers have high risk of bursting than fire tube boilers
c) Bursting of boilers isn’t possible
d) It depends upon the quality of water fed to the boiler
a) Fire tube boilers have high risk of bursting than water tube boilers
b) Water tube boilers have high risk of bursting than fire tube boilers
c) Bursting of boilers isn’t possible
d) It depends upon the quality of water fed to the boiler
Ans. b
6. Which of the following statement is FALSE about boilers?
a) Portable boilers are also called as mobile boilers
b) Lamont boiler is a forced circulation type boiler
c) Cochran boiler is a high pressure boiler
d) Horizontal boilers occupy more space
a) Portable boilers are also called as mobile boilers
b) Lamont boiler is a forced circulation type boiler
c) Cochran boiler is a high pressure boiler
d) Horizontal boilers occupy more space
Ans. c
7. Which of the following is a low pressure boiler?
a) Babcock and Wilcox boiler
b) Benson boiler
c) Lancashire
d) Lamont Boiler
a) Babcock and Wilcox boiler
b) Benson boiler
c) Lancashire
d) Lamont Boiler
Ans. c
8. The classification of boilers into horizontal, vertical and inclined is done on the basis of their _____
a) pressure
b) method of firing
c) tubes
d) axis
a) pressure
b) method of firing
c) tubes
d) axis
Ans. d
9. Which of the following statement is NOT true about fire tube boilers?
a) Hot gases are inside the tubes and water surrounds them
b) For a given power it occupies more floor area
c) Operating pressure can be as high as 100 bars
d) Not suitable for large power plants
a) Hot gases are inside the tubes and water surrounds them
b) For a given power it occupies more floor area
c) Operating pressure can be as high as 100 bars
d) Not suitable for large power plants
Ans. c
10. Which of the following is NOT a fire tube boiler?
a) Cochran Boiler
b) Lancashire Boiler
c) Locomotive Boiler
d) Babcock and Wilcox Boiler
a) Cochran Boiler
b) Lancashire Boiler
c) Locomotive Boiler
d) Babcock and Wilcox Boiler
Ans. d
11. Which of the following is NOT a valid classification of boilers?
a) Forced circulation and natural circulation
b) High pressure and low pressure
c) Stationary and Portable
d) Single fired and Double fired
a) Forced circulation and natural circulation
b) High pressure and low pressure
c) Stationary and Portable
d) Single fired and Double fired
Ans. d
12. Babcock and Wilcox boiler is an internally fired boiler.
a) True
b) False
a) True
b) False
Ans. b
13. In natural circulation boilers, water circulation takes place due to natural convection current produced by the application of heat.
a) True
b) False
a) True
b) False
Ans. a
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