Power Plant Questions and Answers – Water Tube Boilers

This set of Power Plant Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Water Tube Boilers”.

1. In a glass rube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to ________________
a) chimney
b) water space
c) steam space
d) super heater
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2. The draught produced by a steam jet issuing from a nozzle placed in the ashpit under the fire grate of the furnace is called ___________
a) chimney draught
b) induced steam jet draught
c) forced steam jet draught
d) none of the mentioned
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3. Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and ___________
a) brake power
b) indicated power
c) pressure of steam
d) efficiency
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4. The natural draught is produced by ___________
a) chimney
b) centrifugal fan
c) steam jet
d) none of the mentioned
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5. Which of the following statement is wrong?
a) Water tube boilers are internally fired
b) Locomotive boiler is a water tube boiler
c) La-mont boiler is a low pressure water tube boiler
d) All of the mentioned
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6. An air preheater is installed ___________
a) between the economiser and chimney
b) before the superheater
c) before the economiser
d) none of the mentioned
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7. Which of the following statement is correct for a compound steam engine?
a) The forces in the working parts are increased as the forces are distributed over more parts
b) The cost of the engine, for the same power and economy, is more than that of a simple steam engine
c) The temperature range per cylinder is increased, with corresponding increase in condensation
d) The ratio of expansion is reduced, thus reducing the length of stroke
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8. What is the length of shell of a Locomotive boiler?
a) 2m
b) 3m
c) 4m
d) 6m
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9. What is the function of a flywheel?
a) to convert reciprocating motion of the piston into rotary motion
b) to prevent fluctuation of speed
c) to keep the engine speed uniform at all load conditions
d) to convert rotary motion of the crankshaft into to and fro motion of the valve rod
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10. The shell diameter of a Locomotive boiler is?
a) 1.5m
b) 1m
c) 2m
d) 2.5m
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Sanfoundry Global Education & Learning Series – Power Plant Engineering.

To practice all areas of Power Plant Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.

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