The capacity of a battery is usually expressed in terms of
Volts
Amperes
Weight
Ampere hours
Correct Answer :
D. Ampere hours
Related Questions
The battery is an electrochemical device, which means battery
Makes chemicals by mechanical means
Uses chemical action to provide electricity
Has curved plates instead of flat plates
Does not use an electrolyte
The negative plates of a lead acid battery has
Lead peroxide (PbO₂)
Spongy lead (Pb)
Lead sulphate (PbSO₄)
Sulphuric acid (H₂SO₄)
The forced fed lubrication system means that the oil is delivered to the engine by
Gravity
The pressure created by the oil pump
Splashing action of the crankshaft
None of these
The cetane rating of Diesel fuel is in the order of
25
45
70
90
During braking, the brake shoe is moved outward to force the lining against the
Wheel piston or cylinder
Anchor pin
Brake drum
Wheel rim or axle
Vulcanizing means
Heating rubber under pressure
Spraying with special paint
Melting rubber while stirring it
None of these
The materials used for cylinder block are
Cast iron and steel
Cast iron and aluminium alloy
Steel and aluminium alloy
Brass and steel
The camshaft of a four stroke Diesel engine running at 1000 rpm will run at
500 rpm
1000 rpm
2000 rpm
4000 rpm
The damper fluid leakage typically occur from
Upper damper mounting
Bottom of damper
Clearance between inner and outer tubes of damper
Coil spring mounting
The engine oil is stored in __________ when the engine is not running.
Oil pan
Cylinder head
Oil pump
Separate oil tank
When the front wheels of a vehicle are locked during braking, then
Stopping distance becomes extremely long
Front tyres skid across the road surface, and the vehicle spins around
Rear tyres skid across the road surface, and the vehicle spins around
Driver loses control over the steering, and the vehicle continues moving in its current direction
The piston compression rings are made of
Cast iron
Steel
Aluminium
Bronze
Highest useful compression ratio (HUCR) is the highest compression ratio at which the
Engine can run
Engine gives maximum output
Engine is most efficient
Fuel can be used in a test engine without knocking
The frequency of flashing of light per minute in a direction (side turn) indicator is about
9
90
900
9000
An oil filter bypass valve opens when the
Engine is cold
Engine overheats
Oil filter becomes clogged
Engine runs at high speed
The three basic cylinder arrangements for automotive engines are
Flat, radial, and V
In a row, in line, and opposed
In line, V, and opposed
V, double row, and opposed
The torque available at the contact between driving wheels and road is known as
Brake effort
Tractive effort
Clutch effort
None of these
The main function of a master cylinder is to
Adjust the extent of brake pedal free play
Boost the force applied to brake pedal
Convert brake pedal force into hydraulic pressure
Ensure that all the wheel brakes are supplied with the same amount of fluid pressure
If the air-fuel mixture ignites before the spark takes place at spark plug, the condition is called
Detonation
Ignition
Pre-ignition
Rumble
The most accurate ignition system of a spark ignition engine is
Magneto system
Battery system
Electronic control unit system
Magneto and electronic system
Which of the following bulb in a car will have the least wattage?
Head light bulb
Stop light bulb
Parking light bulb
Ignition warning bulb
The cam shaft in an engine is always mounted
Parallel to the crankshaft
Perpendicular to the crankshaft
Inclined to the crankshaft
None of these
The gradient resistance to a vehicle having a mass of 980 kg moving on an incline of 10° is
1.6694 N
16.694 N
166.94 N
1669.4 N
Which of the following is not a part of the chassis?
Wheels
Front axle
Steering system
Seats
Which of the following is not an automobile?
Motor cycle
Passenger car
Aeroplane
Truck
The condition that causes vapour locking in a brake system is
Overheating of the fluid due to frequent brake application
Overcooling of the brakes during high speed driving
Keeping the vehicle without use for an extended period
An excessively high engine speed on a downhill road
If clearance volume of I.C. engines is increased, the compression ratio will
Increase
Decrease
Remain constant
Be doubled
The basic purpose of providing caster angle on wheels is to
Prevent uneven tyre wear
Maintain directional control
Bring the road contact of the tyre under the point of load
Compensate for wear in the steering linkage
The advantage of having a tandem master cylinder arrangement in automobiles is that it
Enhances safety by serving two independent lines in a divided line brake circuit
Enhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss
Supplies equal fluid pressure to each line of a divided line brake circuit, thereby preventing the brakes from dragging on one side
Boosts the brake fluid pressure to reduce the force required to depress the brake pedal
The maximum torque multiplication ratio in a torque converter is about
2.5
10
25
40