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Mechanical Engineering - Steam Boilers and Engines

Exercise : Steam Boilers and Engines - Section 4
16.
Which of the following are boiler accessories ?
economiser
superheater
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
All steam engines work on
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The capacity and working pressure.of a Cornish boiler is __________ as compared to Lancashire boiler.
low
high
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is __________ the piston speed of single acting steam engine.
equal to
twice
three times
four times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called
receiver type compound engine
Tandem type compound engine
Woolf type compound engine
both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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