The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is

A. Same

B. More

C. Less

D. Less or more depending on operating conditions

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  1. A two stroke cycle engine gives ________ the number of power strokes as compared to the four stroke…
  2. In order to eliminate knocking in compression ignition engines, there should be
  3. The output of a diesel engine can be increased without increasing the engine revolution or size in following…
  4. In a diesel engine, the duration between the time of injection and ignition, is known as
  5. The theoretically correct mixture of air and petrol is
  6. The _________ engines can work on very lean mixture of fuel.
  7. In a typical medium speed 4-stroke cycle diesel engines
  8. The purpose of testing an internal combustion engine is
  9. The ignition quality of petrol is expressed by
  10. In petrol engine, using a fixed octane rating fuel and fixed compression ratio, supercharging will _________…
  11. The brake power of a diesel engine, keeping other parameters constant, can be increased by
  12. The reference fuels for knock rating of spark ignition engines would include
  13. A mixture containing 65% of iso-octane and 35% of normal heptane will have
  14. For maximum power generation, the air fuel ratio for a petrol engine for vehicles, is of the order of
  15. Air fuel ratio at which a petrol engine cannot work is
  16. The theoretically correct air fuel ratio for petrol engine is of the order of
  17. The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same…
  18. Scavenging air in diesel engine means
  19. In a typical medium speed, 4-stroke cycle diesel engine
  20. Morse test can be conducted for
  21. Which of the following does not relate to a spark ignition engine?
  22. Which of the following statement is correct regarding normal cetane?
  23. The pressure inside the cylinder is _________ the atmospheric pressure during the exhaust stroke.
  24. In a four stroke cycle, the minimum temperature inside the engine cylinder occurs at the
  25. Pick up the false statement
  26. The knocking in diesel engines may be prevented by
  27. The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called
  28. In a four stroke cycle petrol engine, the expansion
  29. A diesel engine has compression ratio from
  30. Air fuel ratio for idling speed of a petrol engine is approximately