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Internal Combustion Engines (I.C. Engines) MCQ Questions & Answers | Mechanical Engineering

Learn Internal Combustion Engines (I.C. Engines) MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Internal Combustion Engines (I.C. Engines): MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-6 section-2

Each section contains 100 MCQs on Internal Combustion Engines (I.C. Engines) .
51
The specific fuel consumption per B.P. hour for a diesel engine is about
Discuss
Answer & Solution
Answer: Option A
Solution:
The specific fuel consumption per B.P. hour for a diesel engine is about 0.2 kg
52
The ignition quality of petrol is expressed by
Discuss
Answer & Solution
Answer: Option B
Solution:
The ignition quality of petrol is expressed by Octane number
53
The ignition quality of diesel oil is expressed by
Discuss
Answer & Solution
Answer: Option A
Solution:
The ignition quality of diesel oil is expressed by Cetane number
54
A 5 BHP engine running at full load would consume diesel of the order of
Discuss
Answer & Solution
Answer: Option B
Solution:
A 5 BHP engine running at full load would consume diesel of the order of 1 kg/hr
55
In a cycle, the spark lasts roughly for
Discuss
Answer & Solution
Answer: Option D
Solution:
In a cycle, the spark lasts roughly for 0.001 sec
56
In a typical medium speed 4-stroke cycle diesel engines
Discuss
Answer & Solution
Answer: Option A
Solution:
In a typical medium speed 4-stroke cycle diesel engines Exhaust valve opens at 35° before bottom dead center and closes at 20° after top dead center
57
The octane number of petrol, generally available, is
Discuss
Answer & Solution
Answer: Option D
Solution:
The octane number of petrol, generally available, is 80 to 100
58
The cetane number of diesel oil, generally available, is
Discuss
Answer & Solution
Answer: Option D
Solution:
The cetane number of diesel oil, generally available, is 40 to 55
59
The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called
Discuss
Answer & Solution
Answer: Option B
Solution:
The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called Overall efficiency
60
Which of the following statements is correct?
Discuss
Answer & Solution
Answer: Option D
Solution:
All reversible engines working between same temperature limits have same efficiency