In a typical medium speed 4-stroke cycle diesel engine

A. Compression starts at 35° after bottom dead center and ends at top dead center

B. Compression starts at bottom dead center and ends at top dead center

C. Compression starts at 10° before bottom dead center and, ends just before top dead center

D. May start and end anywhere

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  1. Crankcase explosion in I.C. engines usually occurs as
  2. In compression ignition engines, swirl denotes a
  3. The pressure at the end of compression, in diesel engines, is approximately
  4. If the compression ratio in I.C. engine increases, then its thermal efficiency will
  5. Which of the following is false statement? Excess quantities of sulphur in diesel fuel are Objectionable…
  6. A stoichiometric air-fuel ratio is
  7. The spark ignition engines are governed by
  8. In an internal combustion engine, the process of removing the burnt gases from the combustion chamber…
  9. The fuels in order of decreasing knock tendency for spark ignition engines are
  10. The term scavenging is generally associated with
  11. In a four stroke cycle petrol engine, the expansion
  12. Combustion in compression ignition engines is
  13. The two reference fuels used for cetane rating are
  14. A diesel engine is _________ as compared to petrol engine, both running at rated load.
  15. The air-fuel ratio of the petrol engine is controlled by
  16. A diesel engine has
  17. As compared to air standard cycle, in actual working, the effect of variation in specific heats is to
  18. The self ignition temperature of petrol is ________ as compared to diesel oil.
  19. The compression ignition engines are governed by
  20. The combustion in compression ignition engines is
  21. By higher octane number of spark ignition fuel, it is meant that the fuel has
  22. Which of the following is not an interns combustion engine?
  23. Polymerisation is a chemical process in which molecules of a compound become
  24. Pour point of fuel oil is the
  25. The sensing element in the control system of nuclear reactors measures the _________ of the neutron…
  26. Supercharging is essential in
  27. For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of
  28. As a result of detonation in an I.C. engine, following parameter attains very high value
  29. The correct mixture strength (by weight) for petrol is about
  30. The volumetric efficiency of a well designed engine may be