Online Automobile Engineering Quiz Mech Sub-Wise Quiz Edit Quiz Questions 01. The cetane number of a Diesel fuel is a measure of (A) Ignition quality (B) Delay period 02. 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. (A) Agree (B) Disagree 03. Tachometer in a vehicle measures (A) Speed (B) Engine r.p.m. 04. The smooth shift mechanism of an automatic transmission reduces the degree of shock at shifting of gears. (A) Yes (B) No 05. If the air-fuel mixture ignites before the spark takes place at spark plug, the condition is called (A) Detonation (B) Pre-ignition 06. The crankshaft of a typical inline four cylinder engine has ________ balance weights. (A) 4 (B) 8 07. The camshaft is driven by the crankshaft via the timing belt. (A) Correct (B) Incorrect 08. Odometer is an instrument used for measurement of (A) Engine r.p.m. (B) Distance 09. The main merit of a multi cylinder type cylinder sleeve is (A) Smaller engine dimensions (B) Better cooling efficiency 10. The number of exhaust manifolds in a V-6 engine is (A) One (B) Two 11. The component of the oil filter that prevents the passage of metal particles and sludge is (A) Element (B) 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. (A) Correct (B) Incorrect 13. In Diesel engines, during suction stroke, ________ is drawn in the cylinder. (A) Only fuel (B) Only air 14. The clutch is located between the transmission and the (A) Engine (B) Rear axle 15. The most commonly used supplementary restraint system (SRS) component is (A) Seat belt (B) Airbag 16. The crescent shaped cavity on the piston head top surface is called as (A) Valve recess (B) Valve clearance 17. When the engine speed increases, the ignition timing must be advanced. (A) Yes (B) No 18. The connecting rod connects the piston and the (A) Camshaft (B) Crankshaft 19. In vehicles with tilt steering, the steering column is pivoted in (A) Upper bracket (B) 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. (A) Agree (B) Disagree Submit Test Online Quiz Home Page
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