Mechanical Engineering - Steam Boilers and Engines

31.
The cut-off ratio is the reciprocal of expansion ratio,
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
In a receiver type compound engine, the high pressure and low pressure cylinders
have common piston rod
are set at 90°
have separate piston rods
are set in V - arrangement
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
The damper in a steam boiler is provided to control the draught (i.e. rate of flow of air) and thus regulate the rate of generation of steam.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
The clearance in the engine cylinder
increases the mean effective pressure
increases the workdone
decreases the efficiency of the engine
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Which of the following is not a boiler mounting?
Blow off cock
Feed check valve
Economiser
Fusible plug
Answer: Option
Explanation:
No answer description is available. Let's discuss.