Category: I.C. Engines

A. accelerates auto-ignition
B. helps to resist auto-ignition
C. does not affect auto-ignition
D. has no relation with auto-ighition
E. retards auto-ignition

A. quantity governing
B. quality governing
C. combined governing
D. partial governing
E. nit and miss governing

A. 0.334027778
B. 0.500694444
C. 0.625694444
D. 0.834027778

A. 15-20%
B. 20-25%
C. 25-30%
D. 30-35%
E. 35-50%

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. same level
B. slightly higher level
C. slightly lower level
D. may be anywhere
E. varies from situation to situation

A. 8 : 1
B. 10 : 1
C. 15 : 1
D. 20 : 1 and less
E. will work at all ratios

A. same
B. less
C. more
D. more or less depending on power rating
E. unpredictable

A. same
B. less
C. more
D. variable
E. more/less depending on engine capacity.

A. auto ignition
B. preignition
C. retarded ignition
D. accelerated ignition
E. detonation