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The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is

A. Four stroke C.I. engine, four stroke S.I. engine, two stroke S.I. engine

B. Four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine

C. Four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine

D. Two stroke S.I. engine, four stroke S.I. engine, four stroke C.I. engine

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  1. In a four stroke cycle diesel engine, the inlet valve
  2. During idling, a petrol engine requires _________ mixture.
  3. The probability of knocking in diesel engines is increased by
  4. In a typical medium speed 4-stroke cycle diesel engines
  5. The loud pulsating noise heard within the cylinder of an internal combustion engine is known as
  6. The combustion in compression ignition engines is
  7. The output of a diesel engine can be increased without increasing the engine revolution or size in following…
  8. Flash point of fuel oil is
  9. The inlet valve of a four stroke cycle internal combustion engine remains open for
  10. In a four stroke cycle petrol engine, the compression
  11. The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter…
  12. In a typical medium speed, 4-stroke cycle diesel engine
  13. The sensing element in the control system of nuclear reactors measures the _________ of the neutron…
  14. The increase of cooling water temperature in petrol engine will __________ the knocking tendency.
  15. Number of working strokes per min. for a two stroke cycle engine is _________ the speed of the engine…
  16. The object of providing masked inlet valve in the air passage of compression ignition engines is to
  17. The pressure at the end of compression, in diesel engines, is approximately
  18. The colour of exhaust from diesel engine is generally
  19. The calorific value of gaseous fuels is expressed in terms of
  20. In a four stroke cycle engine, the sequence of operations is
  21. Diesel fuel, compared to petrol is
  22. A 75 cc engine has following parameter as 75 cc
  23. In a typical medium speed 4-stroke cycle diesel engine
  24. Which of the following statements is correct?
  25. The power actually developed by the engine cylinder of an I.C. engine is known as
  26. Which of the following statement is correct regarding petrol engines?
  27. By higher octane number of spark ignition fuel, it is meant that the fuel has
  28. In the opposed piston diesel engine, the combustion chamber is located
  29. The working pressure and temperature inside the cylinder of an internal combustion engine is _________…
  30. A diesel engine has