Automobile Engineering MCQ Practice Test - Set 01 - ObjectiveBooks

Automobile Engineering MCQ Practice Test - Set 01

Practice Test: Question Set - 01

1. The painting of automobiles is done to
    (A) Prevent rust from growing on the body
    (B) Improve its external appearance
    (C) Retain the characteristics of steel for long
    (D) All of these

2. The calorific value of petrol is about
    (A) 36.5-38.5 MJ/kg
    (B) 39.4-42.5 MJ/kg
    (C) 42.7-43.5 MJ/kg
    (D) 45.5-47 MJ/kg

3. The coefficient of friction for the clutch facing is approximately
    (A) 0.1
    (B) 0.4
    (C) 0.8
    (D) 1.2

4. The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be
    (A) R
    (B) 2R
    (C) 4R
    (D) 4

5. The stroke of an engine is the
    (A) Volume of the cylinder
    (B) Length of the connecting rod
    (C) Internal diameter of the cylinder
    (D) Distance between T.D.C. and B.D.C.

6. The braking control type traction control system (TCS) generally operates in the speed range of
    (A) Less than 20 kmph
    (B) Less than 40 kmph
    (C) Less than 60 kmph
    (D) More than 60 kmph

7. The function of a first compression ring (top ring) is that it
    (A) Increases the combustion temperature
    (B) Creates swirl
    (C) Maintains a seal and prevents the fuel leakage
    (D) Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber

8. The component that connects the steering rack to the knuckles is
    (A) Tie rod
    (B) Sector gear
    (C) Pivot
    (D) Spline

9. The cetane number of a Diesel fuel is a measure of
    (A) Volatility
    (B) Viscosity
    (C) Ignition quality
    (D) Delay period

10. In petrol engines, during suction stroke, _________ is drawn in the cylinder
    (A) Air and fuel
    (B) Only fuel
    (C) Only air
    (D) None of these

11. The main feature of Macpherson strut suspension is that
    (A) The vertical size of the suspension can be made more compact
    (B) Non vertical external forces are supported by the suspension arms
    (C) The unsprung mass in lighter
    (D) The assembly is slightly more complicated in design

12. The capacity of a battery is usually expressed in terms of
    (A) Volts
    (B) Amperes
    (C) Weight
    (D) Ampere hours

13. The most commonly used power plant in automobiles is
    (A) Gas turbine
    (B) I.C. engine
    (C) Battery
    (D) None of these

14. In a square type engine
    (A) Geometrical shape is square
    (B) Diameter and length of piston are same
    (C) Two cylinders are placed horizontal and two vertical
    (D) Stroke length and cylinder bore are same

15. The path taken by intake air is
    (A) Carburettor (or throttle body) air cleaner intake manifold intake ports cylinders
    (B) Air cleaner carburettor (or throttle body) intake ports intake manifold cylinders
    (C) Air cleaner intake manifold carburettor (or throttle body) intake ports cylinders
    (D) Air cleaner carburettor (or throttle body) intake manifold intake ports cylinders

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