Download PDF
Free download in PDF Gearbox Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
Which of the following is the need of the gearbox?
[A]
To vary the speed of the vehicle
[B]
To vary the torque of the vehicle
[C]
To vary the power of the vehicle
[D]
To vary the acceleration of the vehicle
Answer: To vary the torque of the vehicle
(2)
In which of the gearbox all gears are always in contact?
[A]
Constant-mesh gearbox
[B]
Sliding mesh gearbox
[C]
Synchromesh gearbox
[D]
Epicyclical gearbox
Answer: Constant-mesh gearbox
(23)
Which of the following is not part of automatic transmission?
[A]
Epicyclic gearbox
[B]
Torque convertor
[C]
Multi-plate clutch
[D]
Sliding mesh gearbox
Answer: Sliding mesh gearbox
(4)
In which of the configuration of epicyclic gearbox output will be forward and fast output speed?
[A]
Sun gear stationary, ring gear driven, planet carrier driving
[B]
Sun gear driving, ring gear driven, planet carrier stationary
[C]
Sun gear driven, ring gear stationary, planet carrier driving
[D]
None of the above
Answer: Sun gear stationary, ring gear driven, planet carrier driving
(5)
Which types of gears are used in constant mesh gearbox?
[A]
Spur gear
[B]
Helical gear
[C]
Bevel gear
[D]
All of the above
(6)
Why are the helical gears used commonly in transmission over spur gears?
[A]
Low cost and high strength
[B]
Low noise level and high strength
[C]
Low noise level and economy
[D]
Low noise level and low cost
Answer: Low noise level and high strength
(7)
The free wheeling mechanism contains
[A]
A planetary gear
[B]
A transmission
[C]
An over running clutch
[D]
None Of The Above
Answer: An over running clutch
(8)
There are two separate movements of the gear shift lever for changing the gears.The first movement selects
[A]
The shaft to be moved
[B]
The shaft pedal to be moved
[C]
Shifter fork which operates gear assembly to be moved
[D]
None of these
Answer: Shifter fork which operates gear assembly to be moved
(9)
In the transmission, the reverse idler gear always mesh with
[A]
Counter shaft drive gear
[B]
Counter shaft low gear
[C]
Main shaft reverse gear
[D]
Counter shaft reverse gear
Answer: Counter shaft reverse gear
(10)
In the coil spring type of clutch when the pressure plate and cover are separated, the spring pressure must
be held by
[A]
Hand
[B]
An arbor press
[C]
A lever
[D]
A heavy weight
(11)
As a general rule in facings on the friction disc are worn down to the rivet heads
[A]
Rivets should be replaced
[B]
The friction disc should be replaced
[C]
The clutch should be replaced
[D]
None of the Above
Answer: The friction disc should be replaced
(12)
The front end of the clutch shaft is supported in a pilot bearing in the
[A]
Throw out bearing
[B]
Friction disc
[C]
Crankshaft
[D]
None of the above
(13)
When the clutch is engaged, spring pressure clamps the friction disc between the pressure plate and the
[A]
Flywheel
[B]
Differential
[C]
Reaction plate
[D]
Clutch pedal
(14)
The free travel of the medal, or pedal lash is the amount of travel the pedal has before the throw out
bearing comes up against the
[A]
Release levers
[B]
Flywheel
[C]
Floor board
[D]
All of the above
(15)
Overdrive is provided in the transmission of a vehicle to
[A]
Reach higher road speeds
[B]
improved fuel consumption
[C]
achieve better acceleration
[D]
None of these
Answer: improved fuel consumption
(16)
The number of gear ratios in a vehicle
[A]
Is more with high powered vehicle
[B]
Is less with high powered cars
[C]
Is more with diesel engine heavy vehicles
[D]
None of the above
Answer: Is more with high powered vehicle
(17)
The main advantage of a fluid coupling is
[A]
In its low torque capacity at low speeds
[B]
Steady state torque characteristic
[C]
Due to its ability to slip
[D]
Due to its ability to function fluid medium
Answer: Due to its ability to slip
(18)
The hydrodynamic torque converter
[A]
Gives a continuous variation of torque with increase of output speed
[B]
Enables to get the max. h.p continuously
[C]
Gives a speed variation without torque variation
[D]
Maintains a high efficiency throughout the operating speed range
Answer: Gives a continuous variation of torque with increase of output speed
(19)
An automatic transmission works on the principle of
[A]
Centrifugal device making up changes proportional to road speed
[B]
Centrifugal device connected to crankshaft making up changes prop. to engine speed
[C]
Makes changes depending on throttle position in conjunction with road speed governor
[D]
None of the above
Answer: Makes changes depending on throttle position in conjunction with road speed governor
(20)
The clutch cover is bolted to the
[A]
Friction disc
[B]
Flywheel
[C]
Car frame
[D]
None Of The Above
Take Mock Tests