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Engineering :: Automobile Engineering

141.  Engine starter motor is
A. Single phase A.C. motor B. D.C. series motor
C. D.C. shunt motor D. D.C. compound motor
E. Synchronous motor    
142.  Acid used in automobile battery is
A. Hydrochloric acid B. Hydrofluoric acid
C. Dilute nitric acid D. Concentrated nitric acid
E. Sulphuric acid    
143.  In a four stroke four cylinder petrol engine, the speed of distributor shaft is
A. Quarter of the engine speed B. Half the engine speed
C. Same as engine speed D. Double of engine speed
E. Four times the engine speed    
144.  Loss of engine compression can result from
A. Defective fan belt B. Excessive tappet clearance
C. Excessive tappet clearance D. Worn out rings
E. Wrong timing    
145.  As carbon accumulates in a cylinder it causes an increase in
A. Clearance volume B. Piston displacement
C. Ignition time D. Volumetric efficiency
E. Effective compression ratio    
146.  Exhaust gas leakage into the cooling system is most likely be due to defective
A. Cylinder head gasket B. Manifold gasket
C. Water pump D. Radiator
E. Any of the above    
147.  A smoky blue exhaust is due to
A. Excessive air B. Excessive rich mixture
C. Burning of oil in combustion chamber D. Incorrect valve adjustment
E. Incorrect tappet adjustment    
148.  When considerable material must be removed to clean up a cylinder bore, the cylinder should be
A. Bored B. Honed
C. Ground D. Reamed
E. Glazed    
149.  For balancing single cylinder engine a counter weight is added to
A. Piston B. Connecting rod
C. Crankshaft D. Gudgeon pin
E. Piston rings    
150.  Clutch slippage while clutch is engaged is particularly noticeable
A. During idling B. At low speed
C. During acceleration D. During braking
E. While starting the engine    

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