Automobile Engineering Practice Set-1

1. The painting of automobiles is done to

Retain the characteristics of steel for long

Improve its external appearance

Prevent rust from growing on the body

All of these

2. The coefficient of friction for the clutch facing is approximately

0.1

0.4

0.8

1.2

3. The main feature of Macpherson strut suspension is that

The vertical size of the suspension can be made more compact

Non vertical external forces are supported by the suspension arms

The unsprung mass in lighter

The assembly is slightly more complicated in design

4. The instrument used to check specific gravity of acid in a battery is

Hydrometer

Multimeter

Anemometer

Hygrometer

5. The drive-shafts are connected to the differential and wheel hubs through universal joints because the universal joints

Absorb the vibrations transferred from the surface of the road

Absorb any difference in speed between the left and right wheels when the vehicle is turning

None of the above

Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.

6. The auto ignition in a spark ignition engine means

Ignition of the charge before the passage of flame front

Ignition induced by the passage of a spark

Ignition induced to supplement the process of normal combustion

Automatic ignition of the charge at the end of compression

7. The function of a first compression ring (top ring) is that it

Creates swirl

Increases the combustion temperature

Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber

Maintains a seal and prevents the fuel leakage

8. The component that connects the steering rack to the knuckles is

Spline

Pivot

Tie rod

Sector gear

9. The braking control type traction control system (TCS) generally operates in the speed range of

Less than 40 kmph

Less than 20 kmph

Less than 60 kmph

More than 60 kmph

10. The connecting rods are generally made of __________ shaped cross-section.

C

I

L

H

Automobile Engineering Practice Set-1

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