minimum temperature to which1 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

temperature at which it catches fire without external aid

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

maximum pressure developed

minimum pressure

instantaneous pressure at any instant

average pressure.

naturally aspirated

supercharged

centrifugal pump

turbo charger

upto 25%

upto 35%

upto 50%

upto 100%.

thermal efficiency

speed

power output

fuel consumption