The process of breaking up or a liquid into fine droplets by spraying is called

A. Vaporisation

B. Carburetion

C. Ionisation

D. Atomisation

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  1. In a four stroke cycle petrol engine, the inlet valve
  2. It the temperature of intake air in IC engines is lowered, then its efficiency will
  3. Compression loss in I.C engines occurs due to
  4. The cetane number of diesel oil, generally available, is
  5. In an internal combustion engine, the process of removing the burnt gases from the combustion chamber…
  6. The power actually developed by the engine cylinder of an I.C. engine is known as
  7. In a diesel engine, the fuel is ignited by
  8. Scavenging is usually done to increase
  9. A diesel engine, during suction stroke, draws
  10. The frictional power (F.P.) is given by
  11. The function of a distributor in a coil ignition system of I.C. engines is
  12. The thermal efficiency of a diesel cycle having fixed compression ratio, with increase in cut-off ratio…
  13. In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in…
  14. Which of the following is not an interns combustion engine?
  15. Morse test is used to determine the I.P. of a
  16. In a four stroke cycle petrol engine, the pressure inside the engine cylinder during the suction stroke…
  17. Which of the following does not relate to a spark ignition engine?
  18. Theoretically, a four stroke cycle engine should develop _________ power as that of a two stroke cycle…
  19. In compression ignition engines, swirl denotes a
  20. Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged?
  21. Which of the following statement is correct?
  22. In order to eliminate knocking in compression ignition engines, there should be
  23. The mechanical efficiency (ηm) of the engine is given by
  24. The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be
  25. The higher combustion chamber wall temperature in compression ignition engines will _________ knocking…
  26. Which of the following statement is correct regarding petrol engines?
  27. The voltage required to produce a spark across the gap, between the sparking points is
  28. The increase in intake temperature of internal combustion engines will _________ efficiency.
  29. The air-fuel ratio of the petrol engine is controlled by
  30. A fuel of cetane number 40 has the same ignition quality as a mixture of