Subject Name with code: Automobile Engineering {2181915} MCQ 1) Leaf springs absorb shocks by a) bending b) twisting c) compression d) tension 2) Coil springs absorb shocks by a) bending b) twisting c) compression d) tension 3) The following is a type of leaf springs a) three Quarter elliptic b) semi elliptic c) quarter elliptic d) all of the above 4) The material used for making torsion bar is a) Steel b) Cast iron c) High carbon steel d) All of the above 5) Drive (live) axles a) are simply beams which supports the vehicle weight b) are usually the front axles c) contain differential d) all of the above 6) The following represents the correct specification of a tyre a) 155-80-R-13 b) R-155-80-13 c) 155-80-13-R d) 155-R-80-13 Prepared By: Dr. Vipul M. Patel 7) The following is (are) the independent suspension system(s) a) Wishbone Arm system b) Trailing Link system c) Sliding Pillar system d) all of the above 8) The coil spring in used in a) Wishbone Arm system b) Trailing Link system c) Sliding Pillar system d) all of the above 9) Un-sprung weight is a) Weigh of vehicle b) Weigh of chassis frame c) Weight of wheels d) Weight of wheels and axles 10) Sprung weight is a) Weigh of vehicle minus unsprung weight b) Weigh of chassis frame c) Weight of wheels d) Weight of wheels and axles 11) While in motion, the vehicle suspension is subjected to a) bouncing b) pitching c) rolling d) all of the above 12) The angle between king pin centre line and vertical in the plane of wheel is called a) Steering axis inclination b) King pin inclination c) Castor d) Camber 13) 50-The ratio between BHP and IHP is called a) thermal efficiency b) engine efficiency c) volumetric efficiency d) mechanical efficiency Prepared By: Dr. Vipul M. Patel 14) Useful power obtained at the engine flywheel is called: a) Indicated power b) Frictional power c) Mechanical advantage d) Brake power3 15) Wear on tyre is more on one side is due to: a) incorrect camber angle b) low tyre pressure c) high tyre pressure d) sudden acceleration 16) In Battery coil ignition system, the correct sequence of flow of current is a) Battery – Ammeter – Ignition coil – Distributor – Spark plug b) Battery – Ignition coil – Ammeter – Distributor – Spark plug c) Battery – Ammeter – Distributor – Ignition coil – Spark plug d) Battery – Distributor – Ammeter – Ignition coil – Spark plug 17) In Magneto Ignition system a) No battery is required b) Engine starting is rather difficult c) used in high speed engines d) All of the above 18) In four cylinder in-line engine, the probable firing order is a) 1-3-4-2 b) 1-2-3-4 c) 2-4-1-3 d) 2-1-3-4 19) The following is (are) the advantage(s) of Electronic Ignition system a) Produces maximum output voltage b) Better starting with cold engine c) Less possibility of arcing at spark plug d) All of the above Prepared By: Dr. Vipul M. Patel 20) What part of a car holds the electricity? a) Alternator b) Generator c) Battery d) Solenoid 21) The battery is made of lead, water and a) Paint b) Battery fluid c) Sulfuric acid d) Gasoline 22) Two general types of tyres are a) Tube type and tubeless b) Solid and tubeless c) Air and pneumatic d) Split rim and drop centre 23) How many cells are used in a 12 volt car battery? a) 2 b) 4 c) 6 d) 8 24) The advantage of a tubeless tyre over tube type tyre is a) Slow air leakage b) Better fuel efficiency c) Less chances of running flat d) All of these 25) In a single dry plate clutch, torsional vibrations are absorbed by a) Coil springs known as torsional springs b) Cushion springs c) Central hub d) Clutch pedal Prepared By: Dr. Vipul M. Patel 26) The battery is an electrochemical device, which means battery a) Makes chemicals by mechanical means b) Uses chemical action to provide electricity c) Has curved plates instead of flat plates d) Does not use an electrolyte 27) An overinflated tyre will wear the tread most near the a) Edge b) corner c) centre d) none of these 28) The following is not a Friction clutch a) Fluid clutch b) Centrifugal clutch c) Cone clutch d) Disc clutch 29) The following type of arrangement is used in synchromesh type gear box a) Single plate clutch b) Fluid clutch c) Dog clutch d) Semi-centrifugal clutch 30) The torque which a clutch can transmit, depends upon the a) coefficient of friction b) spring force c) contact surfaces d) all of the above 31) In Disc clutch, the clutch disc acts as a a) driving member b) driven member c) neutral member d) any of the above Prepared By: Dr. Vipul M. Patel 32) In Disc clutch, engine flywheel acts as a a) driving plate b) driven plate c) pressure plate d) none of the above 33) The following type of spring(s) is (are) employed in the pressure plate a) Coil springs b) Diaphragm type conical spring c) both (A) and (B) d) none of the above 34) The following is an automatic clutch which is controlled by engine speed a) Cone clutch b) Centrifugal clutch c) fluid clutch d) Disc clutch 35) The following is (are) the advantage(s) of fluid flywheel a) It gives a smoother power take up than centrifugal type b) fluid acts as a cushioning agent c) it needs no separate pedal or lever to operate it d) all of the above 36) Which of the following is true? a) high torque is required at the start of the vehicle b) low torque is required at high speeds c) gearbox helps in smooth running of vehicle d) all of the above 37) The amount of tilt measured in degrees from the vertical, is called a) Camber angle b) Caster angle c) Toe in d) Toe out Prepared By: Dr. Vipul M. Patel 38) The purpose of caster is to give a trailing effect to the a) Front wheel b) Rear wheel c) Inner wheel d) Outer wheel 39) Four-wheel drive vehicles have differential at a) front wheels b) rear wheels c) both the front and rear wheels d) any of the front or rear wheels 40) The propeller shaft consist of a) knuckle joint b) flange coupling c) universal joint d) Rag joint 41) The positive plates of a lead acid battery has a) Lead peroxide (PbO2) b) Spongy lead (Pb) c) Lead sulphate (PbSO4) d) Sulphuric acid (H2SO4) 42) The rigid suspension is beneficial when a) It is desired to reduce the unsprung mass b) It is desired to have more flexibility in design c) It is desired to improve tyre to ground contact characteristics d) Large changes in load make it necessary to have a large suspension stroke 43) The basic purpose of tyres is to a) Grip the road and provide good traction b) Substitute for springs c) Act as brake d) None of these Prepared By: Dr. Vipul M. Patel 44) The clutch is located between the transmission and the a) Engine b) Rear axle c) Propeller shaft d) Differential 45) The main function of the tread pattern on tyre is that a) The tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating b) The crests between the tread grooves absorb road noise c) In wet conditions, the tread grooves expel water that is drawn between the tyre and road surface d) The tread pattern protects the tyre's inner carcass from small stones and pieces of glass 46) The main function of the brake fluid is a) Lubrication b) Power transmission c) Cooling d) None of these 47) The discharged lead acid battery has on its plates a) Lead peroxide (PbO2) b) Spongy lead (Pb) c) Lead sulphate (PbSO4) d) Sulphuric acid (H2SO4) 48) The service brakes employed in cars are generally operated a) Mechanically b) Hydraulically c) Pneumatically d) None of These 49) The caster is called positive when the top of the king pin is inclined to the a) Rear of the vehicle b) Front of the vehicle c) Left of the vehicle d) Right of the vehicle Prepared By: Dr. Vipul M. Patel 50) Caster is a a) Forward tilt of the kingpin b) Backward tilt of the kingpin c) Either 'A' or 'B' d) None of these 51) The order in which effort applied to the steering wheel is transferred to the front wheel is a) Steering wheel, steering gearbox, steering shaft, tie rod, steering knuckle, front wheels b) Steering wheel, steering shaft, steering gearbox, tie rod, steering knuckle, front wheels c) Steering wheel, steering shaft, steering gearbox, steering knuckle, tie rod, front wheels d) Steering wheel, tie rod, steering gearbox, steering shaft, steering knuckle, front wheels 52) The basic purpose of tyre rotation on automobiles is to a) Avoid ply separation b) Equalize wear c) Get better ride d) None of these 53) The specific gravity of acid in a fully charged battery is generally a) 1.00 b) 1.28 c) 2.81 d)1.82 54) If a tyre is designated as 175/65 R-14 82-S, then the aspect ratio for the tyre is a) 175 b) 65 c) 14 d) 82 55) Incorrect steering axis inclination (S.A.I.) causes a) Tendency to assume toe-out orientation b) Generation of a braking effect at tight corners c) Poor recovery of the steering wheel after making a turn d) The vehicle to pull to the side of lesser inclination Prepared By: Dr.