Top 350+ Solved Automobile Engineering MCQ Questions Answer
Q. The most widely used brakes are operted
a. Electrically
b. Hydraulically
c. By vacuum
d. Combination of (A) and (C)
e. Mechanical
Q. Which part of the engine is directly driven by the starting motor?
a. Flywheel
b. Camshaft
c. Crankshaft
d. Pulley
e. Any of the above
Q. The fuel lines connecting the fuel injection pump individual elements with corresponding injector should have
a. Length in increasing order
b. Minimum length
c. Varying length
d. Equal length
e. Length in decreasing order
Q. In order to engage securely and prevent dragging the clearance between release bearing and release collar in a clutch is usually
a. 30 - 35 mm
b. 20 - 25 mm
c. 40 - 50 mm
d. 2 - 3 mm
e. 10 - 15 mm
Q. Which of the following action reduces the life of tyre?
a. Low air pressure
b. Extra load
c. Frequent braking
d. All of the above
e. None of the above
Q. Loss of engine compression can result from
a. Wrong timing
b. Defective fan belt
c. Worn out rings
d. Excessive tappet clearance
e. Excessive tappet clearance
Q. Excess oil consumption in engine may be due to
a. Leakage of oil through oil pan gasket
b. Poor quality or improper viscosity of engine oil
c. Excessive oil pressure
d. Badly worn piston rings
e. Any of the above
Q. A hot plug has a
a. Heat dam
b. Short heat path
c. Long insulator
d. Long heat path
e. Short insulator
Q. Acid used in automobile battery is
a. Hydrochloric acid
b. Sulphuric acid
c. Dilute nitric acid
d. Concentrated nitric acid
e. Hydrofluoric acid
Q. Diesel engine as compared to petrol engines require
a. Biggenr flywheels
b. Same size flywheel
c. Smaller flywheel
d. Flywheel whose size may be less or more depending on several other factors
e. No flywheel
Q. In a Diesel engine the fuel injection pressure is usually in the range
a. 20 to 25 atm
b. 10 to 15 atm
c. 30 to 40 atm
d. 60 to 70 atm
e. 100 to 170 atm
Q. In case of petrol engine, pre-ignition of the charge during compression stroke is
a. not possible
b. possible
c. possible during power stroke
d. none of the above
e. None of the above
Q. Common causes for excessive oil consumption include
a. Defective radiator
b. Short trips and cold weather
c. Heavy oil and light bearings
d. Frequent oil changes
e. High speed and worn engine
Q. Two SI engines run at same speed and develop same power but have different compression ratio. The engine with higher compression ratio will have its ignition advance
a. more than
b. less than
c. equal to
d. none of the above
e. None of the above