Questions set 56

Applications of IC Engines

1.      A 150 c.c. two-stroke petrol engine running at 5000 rpm can develop a maximum brake power of
a) 15 kW
b) 10 kW
c) 5 kW
d) 1 kW
Answer: c
Explanation: These type of engines can develop a maximum brake power of 5 kW.

2.      In Wankel engines, how many power strokes occur per rotor revolution
a) 1
b) 2
c) 3
d) 4
Answer: c
Explanation: For one rotor revolution there are three power strokes in a Wankel engine.

3.      Diesel engine is not employed in which of the following
a) Pumping sets
b) Air compressors
c) Tractors
d) Motorcycles
Answer: d
Explanation: Diesel engines are not used in motorcycles.

4.      Which of the following is not an arrangement of ic engine cylinders
a) Radial
b) Circular
c) V type engine
d) Opposed cylinder engine
Answer: b
Explanation: Circular arrangement is not used for ic engine cylinders.

5.      Which of these is a cylinder head type of an ic engine
a) X head
b) U head
c) F head
d) C head
Answer: c
Explanation: Cylinders with F type head are very common.

6.      Which of these is not a cylinder head type of an ic engine
a) L head
b) I head
c) T head
d) X head
Answer: d
Explanation: X head type engines are not in use.

7.      What is the disadvantage of using diesel engine in comparison to petrol engine
a) Higher weight-to-power ratio
b) Higher maintenance cost
c) Greater starting difficulties
d) All of the mentioned
Answer: d
Explanation: All the given are the disadvantages of using a diesel engine over petrol engine.

8.      Engines used in tractors are
a) Single cylinder engines
b) Two cylinder engines
c) Four cylinder engines
d) Six cylinder engines
Answer: b
Explanation: Two cylinder engine is used in tractors.

9.      Engines used in Ashok Leyland Comet trucks are
a) Single cylinder engines
b) Two cylinder engines
c) Four cylinder engines
d) Six cylinder engines
Answer: d
Explanation: Ashok Leyland Comet trucks use six cylinder engines.

10.  W-type arrangement in twelve and sixteen cylinder engines has
a) One row of cylinders
b) Two rows of cylinders
c) Three rows of cylinders
d) Four rows of cylinders
Answer: c
Explanation: W type arrangement has three rows of cylinders.

11.  . The angle between two cylinders in a two cylinder V-type engine is usually
a) 15 degrees
b) 45 degrees
c) 60 degrees
d) 90 degrees
Answer: c
Explanation: The angle between the cylinders is usually 60 degrees.