Automobile Engineering Quiz | Automobile Engineering Multiple Choice Questions(MCQs) with Answers

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Questions
61 Of the four tyres on a car, the one that wears most is the
A Right front tyre
B Right rear tyre
C Left front tyre
D Left rear tyre

Answer: Right rear tyre
62 For a through inspection a tyre should be
A On the car
B On the wheel
C Off the wheel
D Inflated

Answer: Inflated
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63 The radius of a pneumatic tyre is
A The radius of unloaded fully inflated tyre
B The height of centre of tyre from the ground when it is loaded
C Imaginary radius found by measuring the distance per revolution of the loaded tyre
D It is fixed radius, based on the dimensions of the tyre

Answer: The radius of unloaded fully inflated tyre
64 During braking the brake shoe is moved outward to press against the
A Wheel piston or cylinder
B Brake lining
C Brake drum or disc
D Wheel rim or axle

Answer: Brake drum or disc
65 Movement of the brake pedal forces brake fluid from the master brake cylinder through brake lines and into the
A Brake shoes
B Wheel cylinders
C Brakes cables
D Pedal rod

Answer: Wheel cylinders
66 The working fluid normally used in hydraulic brake systems is
A A solution of castor oil in alcohol along with neutralizer
B High speed diesel oil along with alcohol
C SAE 20 oil with anti-corrosion additives
D A mixture of vegetable oil and SAE 10 oil

Answer: A solution of castor oil in alcohol along with neutralizer
67 Brake lining area required for shoe brakes for trucks is mainly based on
A Average truck speed
B Frequency of brake applications
C Gross vehicle weight
D Material used for brake drums

Answer: Gross vehicle weight
68 In the case of brake linings saturants and bonding materials are used to
A Facilitate moulding and curing of brake linings
B To improve the heat dissipating capacity of linings
C To give a constant coefficient of friction up to 800 C
D To make the lining material impervious to moisture and oil and to ensure a steady coefficient of friction up to 3000 C

Answer: Facilitate moulding and curing of brake linings
69 In the hydraulic brake system, the movement of a piston in the master cylinder produces hydraulic pressure which causes movement of
A Brake shoe
B Brake pedal
C Brake cam
D None

Answer: Brake shoe
70 The approximate ratio of effort applied : effort available from servo system is
A 1:1
B 3:1
C 1:4
D 10:1

Answer: 3:1
71 In a vacuum type servo-assisted brake system, vacuum is available in …….. is made use of
A Exhaust manifold
B Combustion chamber
C Water jackets
D Inlet manifold

Answer: Inlet manifold
72 Gudgeon pins or piston pins are made by
A Piston material itself
B Cork
C Cast iron
D Hardened and ground steel

Answer: Hardened and ground steel
73 Piston compression rings are manufactured by
A Aluminium
B Cast iron
C Steel
D Bronze

Answer: Cast iron
74 The material used for the piston of modern passenger cars are
A Brass pistons
B Cast iron pistons
C Aluminiun alloy pistons
D Steel pistons

Answer: Aluminiun alloy pistons
75 Aluminium alloy pistons are preferred because
A They are good absorbers of shock
B They are having less weight
C They are very strong in tension
D They have good water resistance

Answer: They are having less weight
76 Conform ability of an engine bearing is
A Ability of the bearing to adjust itself to variations in shaft alignment and journal shape
B Ability of a bearing to permit foreign particles to embed in it
C Ability of a bearing to withstand the wear and tear
D Resistivity to corrosion

Answer: Ability of the bearing to adjust itself to variations in shaft alignment and journal shape
77 A liquid that boils at a relatively high temperature is said to have
A A low viscosity
B A high viscosity
C A low volatility
D A high volatility

Answer: A low volatility
78 Changing position of an object against an opposing force is called
A Work
B Torque
C Power
D Energy

Answer: Work
79 It is cheaper if we use gaskets of
A Rubber asbestos type
B Copper asbestos type
C Steel asbestos type
D None of these

Answer: Rubber asbestos type
80 The brake shoes are curved to conform to the inner diameter of the
A Tyre
B Wheel
C Pedal
D Brake drum

Answer: Brake drum
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