Motor Vehicle Inspector • Paper-I
The purpose of the crankcase ventilation is to
A)
remove liquid gasoline and water
B)
cool the oil
C)
supply oxygen to the crankcase
D)
remove sludge and sediment
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'supply oxygen to the crankcase' (Option C).
Motor Vehicle Inspector • Paper-I
The device in the cooling system that raises the boiling point of the coolant in the system is called the
A)
pressure cap
B)
vacuum valve
C)
radiator
D)
water jacket
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'vacuum valve' (Option B).
Motor Vehicle Inspector • Paper-I
In case of casting, the molten metal is introduced into a mould of the desired shape and the molten metal is allowed to solidify. The shape of the casting from the mould
A)
is same but slightly bigger
B)
is same but slightly smaller
C)
is same and size is also same
D)
none of these
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'is same but slightly smaller' (Option B).
Motor Vehicle Inspector • Paper-I
In Diesel engine, the ignition takes place
A)
automatically due to high temperature of compressed air
B)
automatically due to high temperature of compressed fuel
C)
by means of spark
D)
none of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'by means of spark' (Option C).
Motor Vehicle Inspector • Paper-I
Which of the following cannot be produced by gear hobbers?
A)
splines
B)
chain sprockets
C)
unsymmetrical shapes
D)
spur gears
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'unsymmetrical shapes' (Option C).
Motor Vehicle Inspector • Paper-I
The most commonly used lubrication system in automobile is
A)
petroil system
B)
splash system
C)
pressure system
D)
none of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'pressure system' (Option C).
Motor Vehicle Inspector • Paper-I
The type of wheel which cannot be used with a tubeless tyre is
A)
disc wheel
B)
wire wheel
C)
light alloy steel
D)
composite wheel
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'light alloy steel' (Option C).
Motor Vehicle Inspector • Paper-I
The two types of commonly used oil pumps in automotive engines are called
A)
gear and piston
B)
rotor and piston
C)
gear and rotor
D)
full flow and by-pass
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'rotor and piston' (Option B).
Motor Vehicle Inspector • Paper-I
The field of knowledge dealing with the problems of measurement is
A)
metrology
B)
science of measurement
C)
both (a) and (b)
D)
none of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'both (a) and (b)' (Option C).
Motor Vehicle Inspector • Paper-I
The two types of fuel gauges normally in practice are
A)
thermostatic and magnetic
B)
electrical and mechanical
C)
pressure and vacuum
D)
vacuum and electrical
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'electrical and mechanical' (Option B).
Motor Vehicle Inspector • Paper-I
Normally, for production of rods, pipes, sheet metal and other articles known as semifinished products, the type of casting process used will be
A)
centrifugal casting
B)
continuous casting
C)
centrifuged casting
D)
semi-centrifuged casting
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'centrifugal casting' (Option A).
Motor Vehicle Inspector • Paper-I
The venturi in the carburretor causes the
A)
increase of air velocity
B)
decrease of air velocity
C)
decrease of fuel flow
D)
decrease of manifold vacuum
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'decrease of air velocity' (Option B).
Motor Vehicle Inspector • Paper-I
The performance of turbo charged engine is not improved at
A)
low engine speeds
B)
high engine speeds
D)
none of these
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'nan' (Option C).
Motor Vehicle Inspector • Paper-I
Select the gauge used to measure oil level at oil sump
A)
feeler gauge
B)
plastic gauge
C)
oil pressure gauge
D)
dip stick
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'oil pressure gauge' (Option C).
Motor Vehicle Inspector • Paper-I
The two basic types of internal combustion engines are the -
A)
piston and reciprocating
B)
reciprocating and rotary
C)
reciprocating and pushrod
D)
rotary and spark ignition
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'piston and reciprocating' (Option A).
Motor Vehicle Inspector • Paper-I
The process in which hydrocarbons are decomposed into smaller hydrocarbons is called
A)
cracking
B)
reforming
C)
polymerisation
D)
alkylation
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'cracking' (Option A).
Motor Vehicle Inspector • Paper-I
When a horizontal core does not extend entirely through the casting, and the core is supported at one end only, in such case, we will use
A)
vertical core print
B)
hanging core print
C)
wing core print
D)
balancing core print
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'hanging core print' (Option B).
Motor Vehicle Inspector • Paper-I
A core is used in the mould to
A)
obtain hole or desired carities
B)
reduce metal erosion in gate and runners
C)
retard foreign matter in the melt
D)
all of these
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'all of these' (Option D).
Motor Vehicle Inspector • Paper-I
Brake mean Effective Pressure in an engine depends upon its
A)
speed only
B)
torque only
C)
speed and torque
D)
speed and power
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'speed and power' (Option D).
Motor Vehicle Inspector • Paper-I
Mechanic A says that, in the engine, the air temperature increases with increasing pressure. Mechanic B says that pressure increases with increasing temperature. Who is right?
A)
mechanic A
B)
mechanic B
C)
both mechanic A and B
D)
neither mechanic A nor B
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'neither mechanic A nor B' (Option D).
Motor Vehicle Inspector • Paper-I
Alluminium is the best of the metals for making pattern, because it is
A)
easy to work
B)
resistant to corrosion
C)
light in weight
D)
all of these
Based on established principles in Mechanical Engineering, the correct and most appropriate choice is 'all of these' (Option D).
Motor Vehicle Inspector • Paper-I
S.I. engine is based on
A)
diesel cycle
B)
otto cycle
C)
dual cycle
D)
multi-cycle
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'multi-cycle' (Option D).
Motor Vehicle Inspector • Paper-I
The cooling system having water pump is
A)
Thermo syphonic system
B)
Forced feed system
C)
Direct cooling system
D)
Indirect cooling system
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'Indirect cooling system' (Option D).
Motor Vehicle Inspector • Paper-I
The term ‘ply rating’ with reference to a tyre refers to the
A)
actual number of plies
B)
recommended inflation pressure
C)
aspect ratio
D)
rated strength
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'actual number of plies' (Option A).
Motor Vehicle Inspector • Paper-I
An overinflated tyre will wear the tread most near the
A)
edges
B)
corners
C)
outside
D)
centre
Based on established principles in the relevant subject area, the correct and most appropriate choice is 'outside' (Option C).
