Related Questions

A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
A Half
B Same
C Double
D Four times
Thermal efficiency of a two stroke cycle engine is _________ a four stroke cycle engine.
A Equal to
B Less than
C Greater than
D None of these
Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle engine.
A Half
B Same
C Double
D Four times
In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke is __________ the atmospheric pressure.
A equal to
B below
C above
D middle
In a four stroke I.C. engine, the turning moment during the compression stroke is
A positive throughout
B negative throughout
C positive during major portion of the stroke
D negative during major portion of the stroke
When the primary direct crank of a reciprocating engine makes an angle of $$\theta $$ with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke.
A $$\frac{\theta }{2}$$
B $$\theta $$
C $$2\theta $$
D $$4\theta $$
Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine in r.p.m.
A Equal to
B One-half
C Twice
D Four-times
Number of working strokes per min. for a two stroke cycle engine is _________ the speed of the engine in r.p.m.
A Equal to
B One-half
C Twice
D Four-times
In a four speed four stroke Diesel engine, the intake valve
A Opens at T.D.C. and closes at B.D.C.
B Opens at 20° before T.D.C. and closes at 35° after B.D.C.
C Opens at 10° after T.D.and closes at 20° before B.D.C.
D None of the above
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.
A Equal to
B Twice
C Three times
D Four times

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