Basic Mechanical Engineering (3110006) MCQs

MCQs of Internal Combustion Engines

Showing 41 to 47 out of 47 Questions
41.
Which part used in I.C.Engine to convert the reciprocating motion of the piston to rotary motion of output shaft?
(a) Connecting rod
(b) Crankshaft
(c) Camshaft
(d) Piston pin
Answer:

Option (a)

42.
Which engine produces more power for the same compression ratio?
(a) 4- stroke diesel engine
(b) 4- stroke petrol engine
(c) 2- stroke diesel engine
(d) 2- stroke petrol engine
Answer:

Option (d)

43.
Which has the highest calorific value?
(a) Petrol
(b) Diesel oil
(c) Alcohol
(d) Benzene
Answer:

Option (a)

44.
The unit of specific fuel consumption is
(a) kg/sec
(b) kg/kWh
(c) kg/kW
(d) none of the above
Answer:

Option (b)

45.
In the petrol engine, during the exhaust 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 (c)

46.
Two-stroke diesel cycle is completed in ________ revolution of crankshaft
(a) one
(b) two
(c) three
(d) four
Answer:

Option (a)

47.
In a two-stroke engine, ports are operated by movement of
(a) crank
(b) piston
(c) connecting rod
(d) piston pin
Answer:

Option (b)

Showing 41 to 47 out of 47 Questions