Latest I C Engines Question Answer 2022 : Best Tricks for preparation of SSC, Railway, Police competitive exams, entrance test to prepare online Exam.
41. A two stroked engine is usually identified by
(A) Size of Flywheel
(B) Weight of Engine
(C) Type of Lubrication System
(D) Absence of Valves
42. Octane number of petrol normally used in petrol engine is of the order of
(A) 20 – 30
(B) 40 – 60
(C) 60 – 70
(D) 80 – 90
43. High speed diesel engines need a cetane number of
(A) 100
(B) 50
(C) 0
(D) Infinity
44. Pistons of diesel engines are usually cooled by
(A) Water
(B) Air
(C) Lubricating oil
(D) Fuel oil
45. The back pressure o petrol engine is usually of the order of
(A) 1.0 ata
(B) 1.2 ata
(C) 0.8 ata
(D) 0.5 ata
46. Which of the following does not relate to S.I. Engine
(A) Fuel pump
(B) Fuel injector
(C) Governor
(D) Carburettor
47. Which of the following does not relate to S.I. engine
(A) Ignition coil
(B) Distributor
(C) Spark plug
(D) Fuel injector
48. The following type of battery is commonly used in automobile applications
(A) Dry battery
(B) Nickel – cadmium
(C) Nickel – iron
(D) Lead – acid
49. The gear ratio in the differential unit of a passenger car is of the order of
(A) 2 : 1
(B) 3 : 1
(C) 6 : 1
(D) 8 : 1
50. The automobiles generally utilise batteries having voltage of
(A) 3 V
(B) 6 V
(C) 12 V
(D) 24 V
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