AUTOMOBILE ENGINEERING OBJECTIVE/ MULTIPLE CHOICE QUESTIONS
Q36. If the valve clearances are excessively large, the problem that can arise is
(a) overheating of the engine
(b) incomplete valve closure
(c) fouling of spark plug by gasoline
(d) none of these
Q37. 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.C. and closes at 20° before B.D.C.
(d) none of the above
Q38. In a four cylinder in-line engine, the number of firing strokes in one revolution of the crank is
Q39. The condition that results in large quantities of HC emission is
(a) high temperature combustion
(b) incomplete combustion
(c) low temperature combustion
(d) high atmospheric temperature combustion
Q40. The advantage of the fuel injection system over the carburetor system is
(a) improved fuel efficiency
(b) improved emission
(c) improved power output
(d) all of these
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