The exhaust valve in a four stroke cycle petrol engine

A)
may open and close anywhere
B)
opens at 50° before bottom dead centre and closes at 15° after top dead centre
C)
opens at bottom dead centre and closes at top dead centre
D)
opens at 50° after bottom dead centre and closes at 15° before top dead centre

Correct Answer : Option (B) :   opens at 50° before bottom dead centre and closes at 15° after top dead centre

Recently Updated in IC Engines and Nuclear Power Plants Questions
Enriched uranium may contain fissionable contents from
A)
1 to 99%
B)
1 to 80%
C)
10 to 50%
D)
1 to 40%

Correct Answer :   1 to 99%

In a four stroke engine, the working cycle is completed in
A)
one revolution of the crankshaft
B)
two revolutions of the crankshaft
C)
three revolutions of the crankshaft
D)
four revolutions of the crankshaft

Correct Answer :   two revolutions of the crankshaft

A nuclear power plant differs from a conventional steam power station only in the steam generating part.
A)
Agree
B)
Disagree
C)
Can Not Say
D)
None of the above

Correct Answer :   Agree

Mechanical Engineering MCQ's

Theory of Machines
Engineering Mechanics
Machine Design
Strength of Materials
Engineering Materials
Hydraulic Machines
Thermodynamics
Engineering Drawing
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Automobile Engineering
Steam Boilers and Engines
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