In a petrol engine, the high voltage for spark plug is in the order of
1000 volts
2000 volts
11 kilovolts
22 kilovolts
Correct Answer :
D. 22 kilovolts
Related Questions
The characteristic that is enhanced by the use of cylinder sleeves is
Cooling efficiency
Resistance to wear
Lubrication performance
None of these
The sequence order of events in a four stroke engine is
Suction exhaust power compression
Suction power compression exhaust
Suction compression power exhaust
Exhaust compression power suction
Vulcanizing means
Heating rubber under pressure
Spraying with special paint
Melting rubber while stirring it
None of these
The fuel pump in the programmed fuel injection (PFI) system is located
Between the fuel filler pipe and fuel tank
In the fuel tank
On the distributor mounting in the engine compartment
On the engine compartment bulkhead
The difference between DOT 3 and DOT 4 brake fluids is
DOT 4 fluids have a higher boiling point than DOT 3 fluid
DOT 4 fluids have a lower boiling point than DOT 3 fluid
DOT 3 and DOT 4 fluids have the same boiling point, but DOT 4 fluid has a longer service life
DOT 4 fluid is more resistant to freezing than DOT 3 fluid
The driveshafts are connected to the differential and wheel hubs through universal joints because the universal joints
Absorb the vibrations transferred from the surface of the road
Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.
Absorb any difference in speed between the left and right wheels when the vehicle is turning
None of the above
The crankcase dilution means
Dilution of fuel in the crankcase
Dilution of oil by water in the crankcase
Dilution of lubrication oil by fuel in the crankcase
Dilution of mixture passing through crankcase in two stroke engines
The function of oil control rings is that it
Lubricates the cylinder wall by releasing oil from its hole
Keeps the cylinder wall lubricated by holding oil in its channel
Prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
Maintains a seal and prevents escape of burned gases and oil leakage
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 ball joints are used on the tie rod ends, because they
Reduce the amount of noise generated
Reduce the amount of sliding resistance
Can deal with movement of the suspension both vertically and in other directions
Improve the force transmission speed
The compression ratio in petrol engine is kept less than in Diesel engine because
It makes petrol engines lighter
Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
Less compression ratio gives better performance
It is just customary to have less compression ratio in petrol engines
The instrument used to check specific gravity of acid in a battery is
Hydrometer
Hygrometer
Anemometer
Multimeter
The temperature indicating instrument in vehicles indicates the temperature of
Engine piston
Engine cylinder
Lubricating oil
Jacket cooling water
The connecting rod is attached to the piston by the
Cap bolt
Piston pin
Cap roller bearing
Rod cap
A three way catalytic converter
Re-circulates exhaust gases
Burns fuel vapour gases
Reduces N₂, H₂O, and CO₂ emission levels
Removes CO, HC, and NO₂ from the exhaust gasses passing through it
In petrol engines, during suction stroke, ________ is drawn in the cylinder
Air and fuel
Only fuel
Only air
None of these
Free pedal play in car clutches is about
15 mm
25 mm
40mm
60 mm
The included angle is the sum of the
Camber and castor
Castor and S.A.I.
Camber and S.A.I.
Camber and toe in
When indicated power (I.P.) and frictional power (F.P.) are known, we can calculate
Brake power
Compression ratio
Specific air consumption
Mean effective pressure
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 coefficient of friction for the clutch facing is approximately
0.1
0.4
0.8
1.2
The basic part of the engine, to which the other engine parts are attached or assembled is the
Cylinder head
Crankshaft
Cylinder block
Oil pan
The cetane number of a Diesel fuel is a measure of
Volatility
Viscosity
Ignition quality
Delay period
The cam shaft in an engine is always mounted
Parallel to the crankshaft
Perpendicular to the crankshaft
Inclined to the crankshaft
None of these
Wheel base of a vehicle is the
Distance between the centres of the front and rear wheels
Distance between the centres of the front tyres
Distance between the centres of the rear tyres
Extreme length of the vehicle
Damper in an automobile is used to
Absorb the energy
Dissipate the energy
Release the energy
Increase the energy
Petrol that detonates easily is called
High octane petrol
Low octane petrol
Unleaded petrol
Blended fuel
The octane rating of petrol commercially available is
85-95
95-100
100-110
110-125
Clutch facings are usually attached to the plate by
Steel rivets
Brass rivets
Aluminium screws
Steel screws
The firing order for an inline four cylinder I.C. engine is
1-2-3-4
1-3-4-2
1-2-4-3
1-3-2-4