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Mechanical Engineering - IC Engines and Nuclear Power Plants

Exercise : IC Engines and Nuclear Power Plants - Section 5
16.
The octane number of petrol, generally available, is
20 to 40
40 to 60
60 to 80
80 to 100
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The brake power is the power available
in the engine cylinder
at the crank shaft
at the crank pin
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The slowing down of fast neutrons is desirable because slow moving neutrons are more effective than fast neutrons in triggering fission.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The normal heptane (C7H16) is given a rating of __________ octane number.
0
50
100
120
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The air standard efficiency ofan I.C. engine is given by (where r = Compression ratio, and γ = Ratio of specific heats)
1 - rγ - 1
1 + rγ - 1
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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