Basic Mechanical Engineering (3110006) MCQs

MCQs of Internal Combustion Engines

Showing 11 to 20 out of 47 Questions
11.
The component that takes care of fluctuation of the cyclic variation in speed is known as
(a) governor
(b) flywheel
(c) camshaft
(d) fuel pump
Answer:

Option (b)

12.
Petrol engine is
(a) compression ignition engine
(b) spark-ignition engine
(c) mixed ignition engine
(d) all of the above
Answer:

Option (b)

13.
The number of power strokes per minute in four stroke engin is equal to
(a) double the speed of engine crankshaft
(b) the speed of engine crankshaft
(c) half of the speed of engine crankshaft
(d) none of the above
Answer:

Option (c)

14.
The four strokes in a petrol engine are in the following order
(a) suction, power, compression, exhaust
(b) suction, compression, power, exhaust
(c) suction, exhaust, compression, power
(d) suction, power, compression, exhaust
Answer:

Option (b)

15.
In a four-stroke cycle engine, one cycle is completed in the following degree of the crankshaft
(a) 720
(b) 360
(c) 540
(d) 180
Answer:

Option (a)

16.
A carburetor is used to supply
(a) petrol, air and lubricating oil
(b) air and diesel
(c) petrol and lubricating oil
(d) petrol and air
Answer:

Option (d)

17.
In the petrol engine, during the compression stroke
(a) both the inlet and exhaust valve remain closed
(b) the inlet valve remains open and the exhaust valve remains closed
(c) the inlet valve remains closed and the exhaust valve remains open
(d) both the inlet and exhaust valve remain open
Answer:

Option (a)

18.
During suction stroke in a petrol engine, it draws in
(a) vapour of petrol only
(b) air only
(c) mixture of petrol and air
(d) all of the above
Answer:

Option (c)

19.
Power is developed in the two-stroke engine in
(a) every revolution of crank shaft
(b) every alternate revolution of crank shaft
(c) every two revolution of crank shaft
(d) none of the above
Answer:

Option (a)

20.
The compression ratio for an S.I engine usually lies in the range of
(a) 6:1 to 10:1
(b) 11:1 to 20:1
(c) 12:1 to 15:1
(d) 10:1 to 12:1
Answer:

Option (a)

Showing 11 to 20 out of 47 Questions