Double declutching is required in constant mesh gear box a) To equalize the speed of main shaft gear and the sliding dog b) To provide direct gear c) To equalize the speed of countershaft gear and the sliding dog d) None of the above

The number of spring loaded balls provided circumferentially in a synchromesh gear box is a) 3 b) 4 c) 5 d) 6

In a synchromesh device, when members G1 and F1 are slid to left and cones M1 and M2 are in contact, a) Direct gear is obtained b) Second gear is obtained c) Third gear is obtained d) Reverse gear is obtained

For the second gear in a synchromesh system, the drive transfer will be through a) U1, U2, C, F2, and splines b) U1, U2, C, F1, and splines c) U1, U3, D, F3, and splines d) U1, U4, U5, E, F2, and splines

Interlocking mechanism is provided in the gear box cover a) To prevent engagement of two gears simultaneously b) To prevent engagement of reverse gear c) To facilitate the gear selection d) To avoid the necessity of having neutral gear

Stiff spring is used in the selector mechanism a) To prevent engagement of two gears simultaneously b) To prevent engagement of reverse gear c) To facilitate the gear selection d) To avoid the necessity of having neutral gear

Propeller shaft is used for the purpose of a) Transmitting the drive from the transmission to the bevel pinion of the final drive b) Transmitting the drive from the crankshaft to the road wheels c) Transmitting the drive from the transmission to the road wheels d) Transmitting the drive from the crankshaft to the bevel pinion of the final drive

Slip joints are provided in the propeller shaft a) To adjust the inclination of the propeller shaft b) To adjust the length of the propeller shaft c) To prevent the whirling of the propeller shaft d) To adjust the up and down movement of the rear axle

If two shafts used for transfer of drive are inclined to each other, then a) Slip joint is used b) Flange coupling is used c) Universal joint is used d) None of the above

The Hook's joint works efficiently when the propeller shaft inclination is a) 18o b) 28o c) 38o d) 48o

The number of arms provided to the Cross of the Hook's joint is a) 1 b) 2 c) 3 d) 4

The function of the final drive is to a) Provide a permanent speed reduction b) To turn the drive round through 90o c) To provide drive to the rear wheels d) all of the above

The permanent reduction provided by the final drive in car is a) 4:1 b) 6:1 c) 8:1 d) 10:1

The permanent reduction provided by the final drive in heavy vehicle is a) 4:1 b) 6:1 c) 8:1 d) 10:1

Single reduction is used in final drive when it is about a) 6:1 b) 8:1 c) 10:1 d) 12:1