A. diesel engines
B. gas turbines
C. petrol engines
D. aircraft engines
E. marine engines
A. 8 : 1
B. 10 : 1
C. 15 : 1
D. 20 : 1 and less
E. will work at all ratios
A. 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
B. temperature at which it solidifies or congeals
C. temperature at which it catches fire without external aid
D. indicated by 90% distillation temperature, i.e. when 90% of sample oil has distilled off
E. none of the above
A. gas engine
B. 2-stroke S.I. engine
C. 4-stroke S.I. engine
D. steam engine
E. 4-stroke C.I. engine
A. compact design requiring lesser space
B. improved distribution of air to cylinder
C. casting less liable to distortion
D. reduced torsional vibration because of shorter crankshaft
E. less overhead clearance
A. less difficult to ignite
B. just about the same difficult to ignite
C. more difficult to ignite
D. highly ignitable
E. none of the above
A. more efficient
B. less efficient
C. equally efficient
D. unperdictable
E. other factors will decide it