AUTOMOBILE ENGINEERING MCQ SECTION 13

121. A thermistor is used in an alternator regulator to

(A) Control maximum voltage

(B) Control maximum current

(C) Compensate for temperature change

(D) All of the above

Answer: - Compensate for temperature change

122. The charging voltage at the start of the engine is _________ when the engine is running on

load.

(A) Lower

(B) Higher

(C) Same

(D) All of the above

Answer: - Higher

123. Automotive starting motors are

(A) Series wound

(B) Series-shunt wound

(C) Shunt wound

(D) Both (A) and (B) above

Answer: - Series wound

124. In a stator motor the field winding are wound around

(A) Armature

(B) Commutator

(C) Brush

(D) Pole shoes

Answer: - Pole shoes

125. Most commonly used power plant on automobile is

(A) Gas turbine

(B) I.C. Engine

(C) Battery

(D) None of these

Answer: - I.C. Engine

126. The gas used in modern shock absorber is

(A) Nitrogen

(B) Oxygen

(C) Hydrogen

(D) Carbon dioxide

Answer: - Nitrogen

127. The purpose of tyre rotation on automobiles is to

(A) Avoid ply separation

(B) Equalize wear

(C) Get better ride

(D) None of the above

Answer: - Equalize wear

128. In IC engine most difficult gasket sealing problems occurs at the

(A) Head

(B) Oil paint

(C) Timing cover

(D) Intake manifold

Answer: - Head

129. Sequence of coolant circulation in IC engine is

(A) Pump-radiator-block-head

(B) Pump-block-head-radiator

(C) Pump-block-radiator-head

(D) Pump-radiator-head-block

Answer: - Pump-block-head-radiator

130. The function of quench area in the wedge-shaped combustion chamber is to

(A) Improve the compression ratio

(B) Cool the end gases

(C) Decrease the volume of combustion chamber

(D) Increase the area of combustion chamber

Answer: - Cool the end gases