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Mechanical Engineering - IC Engines and Nuclear Power Plants

Exercise : IC Engines and Nuclear Power Plants - Section 3
31.
Spark plugs in automobiles generally have a gap between
0.3 to 0.7 mm
0.2 to 0.8 mm
0.4 to 0.9 mm
0.6 to 1.8 mm
Answer: Option
Explanation:
Spark plugs in automobiles generally have a gap between 0.6 and 1.8 mm (0.024 and 0.071 in). The gap may require adjustment from the out-of-the-box gap.
32.
The injection of fuel by external source is not required in case of engines working on Otto cycle.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The running cost of a petrol engine is __________ than that of a diesel engine.
higher
lower
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
In a petrol engine, if diesel is used, then the engine will
not run
run more efficiently
run at high speed
explode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Number of working strokes per min. for a four stroke cycle engine are __________ the speed of the engine in r.p.m.
equal to
one-half
twice
four-times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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