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) 4R²
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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