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Mechanical Engineering - Steam Boilers and Engines

Exercise : Steam Boilers and Engines - Section 1
36.
The fire tubes in a Cochran boiler are
horizontal
vertical
inclined
Answer: Option
Explanation:
Cochran boiler is a improved type of simple vertical boiler with horizontal fire tubes.
37.
A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly
1.05
2.86
6.65
10.05
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The aim of a compound steam engine is
to reduce the ratio of expansion in each cylinder
to reduce the length of stroke
to reduce the temperature range in each cylinder
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The average operating pressure of Benson boiler is
100 bar
150 bar
200 bar
250 bar
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The diameter of Cornish boiler varies from
0.5 to 1 m
1 to 2 m
1.25 to 2.5 m
2 to 3 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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