Bihar SBTE Diploma Mechanical 3rd SEM Dec 2019 Paper on Auto. Trans. System
| Sr. No. | Questions with options |
| 1 | In commercial vehicle, layouts, engine is located forward, rear or under floor mainly to
(a) Better utilization of space (b) Increase fuel economy (c) Have better weight distribution (d) Reduce weight of chasis |
| 2 | The following is NOT friction clutch
(a) Fluid clutch (b) Centrifugal clutch (c) Cone clutch (d) Disc clutch |
| 3 | The torque which a clutch can transmit depends upon the
(a) Co – efficient of friction (b) Spring force (c) Contact surfaces (d) All of the above |
| 4 | The most effective section against bending is
(a) Rectangular bar (b) Round bar (c) Round hollow tube (d) Square hollow section |
| 5 | The tread distortion is least on
(a) Radial ply tyres (b) Cross ply tyres (c) Cross ply belted tyres (d) None of the above |
| 6 | The purpose of transmission in an automobile is to
(a) Vary the speed of automobile (b) Vary the torque at wheel (c) Vary the power of automobile (d) None of the above |
| 7 | An under inflated tyre will wear the tread most
(a) Near centre (b) Near the edges (c) In the lateral direction (d) In the cross direction |
| 8 | Constant velocity universal joint is used at
(a) Front end of the propeller shaft (b) Rear end of the propeller shaft (c) Road wheel end of the shaft on front wheel drive vehicles (d) Differential end of the shaft on front wheel drive vehicle |
| 9 | Propeller shaft is tabular instead of solid because
(a) Solid shaft is weaker (b) Its sag is smaller (c) It is more rigid (d) It resists wind up |
| 10 | Which one of the following is NOT a type of gear box
(a) Sliding mesh gear box (b) Constant mesh gear box (c) Synchro mesh gear box (d) Fluid gear box |
| 11 | In radial tyre
(a) One ply layer runs diagonally one way and another layer other way (b) All plies run parallel to one another and vertical to tyre bed (c) Inner tubes are always used (d) None of the above |
| 12 | Which one of the following is NOT a part of chasis?
(a) Wheels (b) Front axle (c) Rear axle (d) Passenger seats |
| 13 | The adjustment for backlash in differential is provided between
(a) Crown wheel and sun gear (b) Sun gear and the planet gear (c) Crown wheel and the drive pinion (d) Crown wheel and the planet gear |
| 14 | Weight of the vehicle produces _____ in the side members of the frame
(a) Torsional moment (b) Horizontal bending (c) Vertical bending (d) All of the above |
| 15 | The shape of the blades in a torque convertor is ________
(a) Straight leaf (b) Twisted leaf (c) Curved (d) All of the above |
| 16 | If you wish to increase the torque at the wheels of the vehicle, the _______ of vehicle will decrease
(a) Petrol consumption (b) Power (c) Speed (d) All of the above |
| 17 | Excessive 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 |
| 18 | The differential unit consists
(a) One bevel pinion (b) Two bevel pinions (c) Three bevel pinions (d) None of the above |
| 19 | Four – wheel drive vehicle have differential at
(a) Front wheel (b) Rear wheel (c) Both (a) & (b) (d) None of the above |
| 20 | A two piece propeller shaft requires _______
(a) One universal joint (b) Centre support bearing (c) The shaft to be solid (d) None of the above |
| Data Collected By – Rashmi | |
| Published On – 29th May 2022 | |
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