Thermal efficiency of a two stroke cycle engine is ________ a four stroke cycle engine.

A. Equal to

B. Less than

C. Greater than

D. None of these

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  1. As a result of detonation in an I.C. engine, following parameter attains very high value
  2. The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio…
  3. A petrol engine has compression ratio from
  4. The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types…
  5. Number of working strokes per min. for a four stroke cycle engine are _________ the speed of the engine…
  6. The compensating jet in a carburettor supplies almost constant amount of petrol at all speeds because…
  7. The fuel valve in a four stroke cycle diesel engine
  8. The probability of knocking in diesel engines is increased by
  9. In a four stroke cycle diesel engine, the compression
  10. The working pressure and temperature inside the cylinder of an internal combustion engine is _________…
  11. Fuel oil consumption guarantees for I .C. engine are usually based on
  12. Supercharging is the process of supplying the intake air to the engine cylinder at a density _________…
  13. In a four stroke cycle engine, the sequence of operations is
  14. The object of supercharging the engine is
  15. The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter…
  16. Combustion in compression ignition engines is
  17. The correct mixture strength (by weight) for petrol is about
  18. In a petrol engine, the fuel supplied to the engine cylinder is mixed with required quantity of air…
  19. The minimum cranking speed in case of petrol engine is about
  20. A diesel engine as compared to petrol engine (both running and rated load) is
  21. In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke…
  22. If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the
  23. Scavenging is usually done to increase
  24. For the same power developed in I.C. engines, the cheaper system is
  25. The reflectivity depends upon
  26. The fuel in diesel engine is normally injected at pressure of
  27. In the crankcase method of scavenging, the air pressure is produced by
  28. The pressure at the end of compression, in petrol engines, is approximately
  29. In petrol engines, advancing of the spark timing will _________ the knocking tendency.
  30. In a naturally aspirated diesel engine, the air is supplied by