Online Automobile Engineering Quiz


1. The cetane number of a Diesel fuel is a measure of
Ignition quality
Delay period

2. The differential ensures that each wheel is driven at a speed which corresponds to the distance it must travel around a corner, and it consequently prevents against excessive tyre wear.
Agree
Disagree

3. Tachometer in a vehicle measures
Speed
Engine r.p.m.

4. The smooth shift mechanism of an automatic transmission reduces the degree of shock at shifting of gears.
Yes
No

5. If the air-fuel mixture ignites before the spark takes place at spark plug, the condition is called
Detonation
Pre-ignition

6. The crankshaft of a typical in-line four cylinder engine has ________ balance weights.
4
8

7. The camshaft is driven by the crankshaft via the timing belt.
Correct
Incorrect

8. Odometer is an instrument used for measurement of
Engine r.p.m.
Distance

9. The main merit of a multi cylinder type cylinder sleeve is
Smaller engine dimensions
Better cooling efficiency

10. The number of exhaust manifolds in a V-6 engine is
One
Two

11. The component of the oil filter that prevents the passage of metal particles and sludge is
Element
Check valve

12. The engine torque increases with the increase in engine speed up to a certain point after which it starts to fall down.
Correct
Incorrect

13. In Diesel engines, during suction stroke, ________ is drawn in the cylinder.
Only fuel
Only air

14. The clutch is located between the transmission and the
Engine
Rear axle

15. The most commonly used supplementary restraint system (SRS) component is
Seat belt
Airbag

16. The crescent shaped cavity on the piston head top surface is called as
Valve recess
Valve clearance

17. When the engine speed increases, the ignition timing must be advanced.
Yes
No

18. The connecting rod connects the piston and the
Camshaft
Crankshaft

19. In vehicles with tilt steering, the steering column is pivoted in
Upper bracket
Lower bracket

20. The PCV valve incorporates a spring loaded plunger and opens in proportion to the level of vacuum pressure in the intake manifold.
Agree
Disagree

     Score =

Correct answers:


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