Mechanical Engineering - Steam Boilers and Engines

1.
For the same diameter and thickness of tube, a water tube boiler has __________ heating surface as compared to fire tube boiler.
more
less
equal
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Throttle governing of steam engines is a method of controlling the engine output by varying
volume of intake steam
pressure of intake steam
temperature of intake steam
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
In a double acting steam engine, the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Cornish boilers are multi-tubular boilers.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
Expansion ratio is the ratio of
swept volume to the volume at cut-off
clearance volume to the swept volume
volume at cut-off to the swept volume
swept volume to the clearance volume
Answer: Option
Explanation:
No answer description is available. Let's discuss.