INTERNAL COMBUSTION ENGINES QUIZ

Burning period

Period of ignition

Delay period

Pre-ignition period

Otto cycle

Special type of air cycle

Diesel cycle

Dual combustion cycle

Normal heptane and iso-octane

Iso-octane and alpha-methyl naphthalene

Normal octane and aniline

Iso-octane and normal hexane

Four-times

Twice

Equal to

One-half

Metacentre

Centre of buoyancy

Centre of pressure

Centre of gravity

0.25 kg

0.2 kg

0.35 kg

0.3 kg

It catches fire without external aid

Minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

Temperature at which it solidifies or congeals

Indicated by 90% distillation temperature, i.e., when 90% of sample oil has distilled off

Otto cycle

Dual combustion cycle

All of these

Diesel cycle

Overall efficiency

Net efficiency

Efficiency ratio

Relative efficiency

50

120

100