Top 350+ Solved Automobile Engineering MCQ Questions Answer
Q. Which instrument is used to measure specific gravity
a. Thermometer
b. Hydrometer
c. Hydrometer
d. Anemometer
e. None of the above
Q. The stationary part of the Wankel engine has an inner contour of
a. elliptical section
b. two lobed epitrochoid section
c. four lobed epitrochoid section
d. none of the above
e. None of the above
Q. LPG mainly consists of
a. Methane and ethane
b. Propane and butane
c. Petrol and diesel
d. Hexane and butadiene
e. None of the above
Q. Over heating of a two stroke air cooled engine cannot be due to
a. Incorrect ignition or valve timing
b. Too lean fuel mixture
c. Lack of cylinder jacket cooling water
d. Partly restricted exhaust system
e. Restricted air cleaner
Q. The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as
a. indicator diagram
b. value timing diagram
c. axial force diagram
d. None of the above
e. None of the above
Q. Which is the Diesel engined vehicle
a. Ambassador Mark II
b. Premier padmini
c. Standard Gazel
d. Maruti
e. None of the above
Q. Executive clutch clearance caused by improper adjustment or wear of sliding sleeve, generally results in
a. Clutch slip
b. Clutch failure to disengage
c. Clutch plate over heating
d. Uneven clutch engagement
e. Any of the above
Q. Balls for a ball bearing are made of
a. Stainless steel
b. Carbon chrome steel
c. High speed steel
d. Mild steel
e. Stainless steel
Q. In spark plug the gap between the electrodes is
a. 10 mm
b. around 5 mm
c. around 1 mm
d. less than 1 mm
e. None of the above
Q. The device used to measure the clearance between the valve and tappet of an internal combustion engine is
a. Slip gauge
b. Thickness gauge
c. Feeler gauge
d. Snap gauge
e. Micrometer
Q. The condenser in ignition circuit of an S.I. engine
a. increases the battery voltage
b. decreases the current from battery
c. avoids arcing at contact breaker
d. none of the above
e. None of the above
Q. In an automobile the probable cause for dragging brakes could be
a. Lack of clearance
b. Drums out of round
c. Loose wheel bearings
d. Weak retracting spring
e. Any of the above
Q. When fully charged, the terminal voltage per cell for a battery is
a. 1.5 volts
b. 2.7 volts
c. 1.7 volts
d. 6 volts
e. 12 volts
Q. For the best utilization of fuel, in the engine cylinder, the air supply should be
a. About 10% surplus
b. 15 to 20 percent deficient
c. About 25% surplus
d. 5 to 10 percent deficient
e. Chemically correct