Worksheetsmonthly test march-2025
Total questions: 40
Worksheet time: 7hrs 40mins
What type of bearing is used for main bearings and connecting rod bearings?
Ball bearings
Plain bearings
Needle roller bearing
Taper roller bearing
The unit of force in S.I. units is
Kilogram
Newton
Watt
Dyne
The torque available at the contact between driving wheels and road is known as
brake effort
tractive effort
Clutch effort
None of these
Odometer is an instrument used for measurement of
power
Fuel consumption
Engine speed
distance
Petrol that detonates easily is called
HIGH OCTANE PETROL
LOW OCTANE PETROL
UNLEADED PETROL
BLENDED FUEL
An overinflated tyre will wear the tread most near the
EDGES
CORNERS
CENTRE
NONE OF THESE
identify the transmission layout for the vehicle shown in the image
2 wheel drive
four wheel drive
fwd
rwd
Car engines are usually
single cyliner type
twin- cylinder type
4 cylinder in-line type
4 cylinder v type
If there are 7 clutch plates in a multi-plate clutch, what is the number of pair of contact surfaces?
5
4
6
8
Where is the clutch located?
Between transmission and engine
Between transmission and rear axle
Between transmission and propeller shaft
Between transmission and differential
Connecting rod is attached to the piston by the
a) Rod cap
b) Piston pin
c) Cap bolt
d) Lower cap
The material used for cylinder block are
Cast iron and Steel
Cast iron and Aluminium Alloy
Steel and Aluminium Alloy
Brass and Steel
Intake of air and fuel mixture enters from
Spark plug
Valve
Tube
Wheel
Which of the following air-fuel ratio is considered as rich mixture in spark ignition engine?
Below 11:1
Below 15:1
Below 20:1
Above 20:1
In battery-coil ignition system, the correct sequence of flow of current is
Battery – Ammeter – Ignition coil - Distributor – Spark plug
Battery – Ignition coil – Ammeter - Distributor – Spark plug
Battery – Ammeter – Distributor - Ignition coil – Spark plug
Battery – Distributor – Ammeter - Ignition coil – Spark plug
The distributor serves the following purposes in the ignition system
It operates break and make mechanism
It distributes high tension current to spark plug at correct time
Both a and b
None of the above
The following is known as ‘Breakerless ignition system’
Battery coil ignition system
Magneto ignition system
Electronic ignition system
Capacitive discharge ignition system
Turbochargers are generally
Centrifugal compressors
Reciprocating compressors
Vane blowers
Roots blower
A three way catalytic convertor
Re-circulates exhaust gases
Burns fuel vapour gases
Reduces N2, H20 and CO2 emission levels
Removes CO, HC and NO2 from the exhaust gases passing through it
A industry which designs, develops, manufactures, markets and sells motor vehicles is called ______________ industry.
cotton
automobile
text tile
automobele
fishing
Odometer is an instrument used for measurement of
power
Fuel consumption
Engine speed
distance
Exhaust gas leakage into the cooling system is most likely to be due to a defective:
Cylinder head gasket
Manifold gasket
Water pump
Radiator
Any of the above
Leaf springs absorb shocks by
bending
twisting
compression
tension
What does the ‘ply rating’ refer to?
Aspect ratio
Rated strength
Recommended inflation pressure
The actual number of plies
P 215/65 R 16 95 H” it’s the tyre designation so in this what does ‘65’ indicates
aspect ratio
speed symbol
Tire constructional radial
load index
The purpose of the dynamo in an automobile is to
Supply electric power
Convert mechanical energy into electrical energy
Partly convert engine power into electric power
Continually recharge the battery
The temperature indicating instrument in vehicles indicates the temperature of
Engine piston
Engine cylinder
Lubricating oil
Jacket cooling water
Generally which brakes are on the front wheels?
Drum brake
Disc brake
Shoe brake
none of these
Hydraulic braking systems works on ........... principle.
Pascal's law
Newton's law
Joule's law
Law of conservation of energy
coolant fans are driven by
electricity and belts
gears and belts
chains and gears
by all of the above
engine over heating may result due to
radiator pressure cap stuck closed
thermostat stuk open
broken fanbelt
excess coolant in the system
What are the mirrors used in the car
Concave
Convex
Concavo - convex
Convexo - concave
Who was the creator of the first electric car?
Henry Ford.
Karl Benz.
Gottlieb Daimler.
Thomas Parker.
Which of the following is not part of the disc brake system
Brake rotor
Brake caliper
Brake Shoe
Brake pad
What is the primary function of a catalytic converter in a vehicle?
Increase engine power
Reduce exhaust emissions
Improve fuel efficiency
Enhance engine cooling
Which component is responsible for controlling the flow of coolant in an engine?
Thermostat
Water pump
Coolant reservoir
Radiator
