Highly ignitable
More difficult to ignite
Less difficult to ignite
None of these
B. More difficult to ignite
In the engine cylinder
At the crank shaft
At the crank pin
None of these
To distribute spark
To distribute power
To distribute current
To time the spark
Diesel
Kerosene
Fuel oil
Gasoline
It is a standard fuel used for knock rating of diesel engines
Its chemical name is normal hexadecane
It has long carbon chain structure
All of the above
Retarding the spark
Increasing the engine speed
Both (A) and (B)
None of these
Higher heating value
Higher flash point
Lower volatility
Longer ignition delay
Decrease
Increase
Remain same
None of these
Less difficult to ignite
Just about the same difficult to ignite
More difficult to ignite
Highly ignitable
Transformer
D.C. generator
Capacitor
Magnetic circuit
It is properly designed
Best quality fuel is used
Cannot work as it is impossible
Flywheel size is proper
Exhaust valve opens at 35° before bottom dead centre and closes at 20° after top dead centre
Exhaust valve opens at bottom dead centre and closes at top dead centre
Exhaust valve opens just after bottom dead centre and closes just before top dead centre
May open and close anywhere
Benzene
Iso-octane
Normal heptane
Alcohol
Half
Same
Double
Four times
Otto cycle
Diesel cycle
Dual combustion cycle
All of these
Napthene
Tetra ethyl lead
Amyl nitrate
Hexadecane
Instantaneous and rapid burning of the first part of the charge
Instantaneous auto ignition of last part of charge
Delayed burning of the first part of the charge
Reduction of delay period
1 m3
5 m3
56 m3
910 m3
20 to 25
25 to 30
30 to 40
40 to 55
Kerosene
Gasoline
Paraffin
Natural gas
Beginning of suction stroke
End of suction stroke
End of compression stroke
None of these
Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine
Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine
Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine
Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine
Uniform throughout the mixture
Chemically correct mixture
About 35% of rich mixture
About 10% of rich mixture
Temperature and pressure in the cylinder at the time of injection
Nature of the fuel mixture strength
Relative velocity between the fuel injection and air turbulence pressure of residual gases
All of the above
15 %
30 %
50 %
70 %
Fuel tank capacity
Lube oil capacity
Swept volume
Cylinder volume
30° before top dead centre
30° after top dead centre
30° before bottom dead centre
30° after bottom dead centre
Fuel pump
Fuel injector
Spark plug
None of these
Equally efficient
Less efficient
More efficient
None of these
Mechanical efficiency
Overall efficiency
Volumetric efficiency
Relative efficiency
Higher
Lower
Remain unaffected
None of the above