3-speed gear box
4-speed gear box
5-speed gear box
6-speed gear box
B. 4-speed gear box
Steel
Copper
Zinc
Aluminium
Eliminates gear clutches
Eliminates the gear shaft lever
Reduces the number of automatic transmission components
Reduces shift shock and achieves more efficient transmission of engine torque
Cylinder head
Crankshaft
Cylinder block
Oil pan
Brake pedal, master cylinder, brake lines, vacuum servo mechanism, brake pads
Brake pedal, vacuum servo mechanism, master cylinder, brake lines, brake pads
Brake pedal, master cylinder, vacuum servo mechanism, brake lines, brake pads
Brake pedal, brake lines, vacuum servo mechanism, master cylinder, brake pads
3-speed gear box
4-speed gear box
5-speed gear box
6-speed gear box
Humidity
Temperature
Vibration
Contamination
175
65
14
82
Drain plug
Water jacket
Vacuum valve
Pressure cap
Controls the engine's air intake volume
Reduces the engine's air intake noise
Prevents rain water from entering the engine
Prevents dust and other foreign matter from entering the engine
Absorb the energy
Dissipate the energy
Release the energy
Increase the energy
Motor cycle
Passenger car
Aeroplane
Truck
Geometrical shape is square
Diameter and length of piston are same
Two cylinders are placed horizontal and two vertical
Stroke length and cylinder bore are same
Adjust the extent of brake pedal free play
Boost the force applied to brake pedal
Convert brake pedal force into hydraulic pressure
Ensure that all the wheel brakes are supplied with the same amount of fluid pressure
Front seats
Shoulder anchors
Seat belt retractors
Seat belt buckles
Improved fuel efficiency
Improved emission
Improved power output
All of these
It is desired to reduce the unsprung mass
It is desired to have more flexibility in design
It is desired to improve tyre to ground contact characteristics
Large changes in load make it necessary to have a large suspension stroke
0.65
0.75
0.85
0.95
1000 km
4000 km
6000 km
10000 km
The drive shafts are splined to the differential carrier.
The left side gear and the differential carrier rotate in constant unison.
The differential carrier houses differential pinion gears and side gears; each pinion gear meshes with a different side gear.
The differential carrier houses differential pinion gears and side gears
Cooling efficiency
Resistance to wear
Lubrication performance
None of these
Engine piston
Engine cylinder
Lubricating oil
Jacket cooling water
Wheel rim and tyre
Tyre and the road surface
Wheel rim and road surface
None of these
SAE 30
API SF
SAE 20 W50
API 50
Piston crown
Connecting rod
Piston pin boss
Piston skirt
Wheels
Front axle
Steering system
Seats
Rear of the vehicle
Front of the vehicle
Left of the vehicle
Right of the vehicle
To vary the speed of automobile
To vary the torque at the wheels
To vary the power of automobile
None of these
Insufficient air during combustion
Insufficient fuel during combustion
Low temperature combustion
High temperature combustion
Back up compression ring which will work in place of the top ring when it is broken
Compression ring and aids the top ring in sealing and cooling
Back up oil control ring which will work in place of the bottom ring when it is broken
Cushion ring which prevents piston slap and knock
Camber
Caster
Toe in
Toe out