Category: I.C. Engines

A. higher self ignition temperature
B. lower self ignition temperature
C. proper self ignition temperature
D. self ingition temperature has nothing to do with detonation
E. none of the above

A. the time taken by fuel after injection (before top dead center) to reach upto auto-ignition temperature
B. time before actual fuel injection and the pump pluger starts to pump fuel
C. time corresponding to actual injection and top dead center
D. time corresponding to actual ignition and top dead center
E. none of the above

A. maximum pressure developed
B. minimum pressure
C. instantaneous pressure at any instant
D. exhaust pressure
E. average pressure

A. higher
B. lower
C. same
D. depends on size of engine
E. unpredictable.

A. fuel tank capacity
B. lub oil capacity
C. swept volume
D. cylinder volume
E. clearance volume

A. 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
B. temperature at which it solidifies or congeals
C. it catches fire without external aid
D. indicated by 90% distillation temperature i.e., when 90% of sample oil has distilled off
E. temperature at which it flows easily

A. has octane number of 0
B. has octane number of 50
C. has octane number of 100
D. is an index of detonation quality
E. is an index of knocking quality

A. bigger flywheel
B. smaller flywheel
C. same size flywheel
D. no flywheel
E. flywheel whose size may be less or more depending on several other fac-tors

A. the ratio of volumes of air in cylinder before compression stroke and after compression stroke
B. volume displaced by piston per stroke and clearance volume in cylinder
C. ratio of pressure after compression and before compression
D. swept volume/cylinder volume
E. cylinder volume/swept volume

A. low heat value of oil
B. high heat value of oil
C. net calorific value of oil
D. calorific value of fuel
E. all of the above