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Mechanical Engineering - Steam Boilers and Engines

Exercise : Steam Boilers and Engines - Section 2
11.
The diagram factor is the ratio of the
area of the actual indicator diagram to the area of theoretical indicator diagram
actual workdone per stroke to the theoretical workdone per stroke
actual mean effective pressure to the theoretical mean effective pressure
any one of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
By compounding the expansion of steam in two or more cylinders, the length of stroke
does not change
increases
decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The velocity of flue gases (V) through the chimney under a static draught of(H') metres is given by
V = 2g H'
V = 2g/H'
V = H'/2g
V = 2gH'
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A good steam boiler is one which produces maximum quantity of steam with the given fuel
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Cut-off ratio is the ratio of
swept volume to the volume at cut-off
volume at cut-off to the clearance volume
volume at cut-off to the swept volume
clearance volume to the volume at cut-off
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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