MCQ Questions with Answers on Automobile Engineering
MCQ Questions with Answers on Automobile Engineering
1- Morse test can be conducted for
(A) Petrol engines
(B) Diesel engines
(C) Multi cylinder engines
(D) None of the above
2- Which of the following devices does not relate to a compression ignition engine?
(A) Fuel pump
(B) Fuel injector
(C) Governor
(D) Carburetor
3- In loop scavenging, which shape of piston top is used?
(A) Flat
(B) Projected curved
(C) Straight Slanted
(D) Depressed curved
4- The volumetric efficiency of the SI engine is comparatively
(A) lower than CI engine
(B) higher than CI engine
(C) will be same as CI engine
(D) none of the above
5- Venturi in the carburetor results in
(A) decrease of air velocity
(B) increase of air velocity
(C) decrease of fuel flow
(D) increase of manifold vacuum
6- Lean air mixture is required during
(A) idling
(B) starting
(C) accelerating
(D) cruising
7- With increase in compression ratio flame speed
(A) increases
(B) decreases
(C) remains the same
(D) none of the above
8- In compression-ignition engines, the autoignition of the charge causing knocking is _______.
(A) at the start of combustion
(B) at the end of combustion
(C) during combustion
(D) none of the above
9- Anti-knock characteristics of gasoline when compared to alcohol is
(A) higher
(B) lower
(C) equal
(D) none of the above
10- Which of the following medium is compressed in a Diesel engine cylinder?
(A) air alone
(B) air and fuel
(C) air and lubricating oil
(D) fuel alone
11- The air-fuel ratio of the petrol engine is controlled by
(A) fuel pump
(B) governor
(C) injector
(D) carburetor
12- A 100 cc engine has following parameter as 100 cc
(A) fuel tank capacity
(B) lube oil capacity
(C) swept volume
(D) cylinder volume
13- Pour point of fuel oil is
(A) indicated by 90% distillation temperature
(B) temperature at which it solidifies
(C) it catches fire without external aid
(D) none of the above
ANSWERS:
1-(C), 2-(D), 3-(B), 4-(A), 5-(B), 6-(D), 7-(A), 8-(A), 9-(B), 10-(A), 11-(D), 12-(C), 13-(B)