31. Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged?
32. The _________ engines can work on very lean mixture of fuel.
33. Iso-octane (C8H18) has octane number of
34. In a four stroke cycle engine, the sequence of operations is
35. In loop scavenging, the top of the piston is
36. The actual volume of fresh charge admitted in 4-stroke petrol engine is
37. The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called
38. In order to prevent knocking in spark ignition engines, the charge away from the spark plug should have
39. The inlet valve of a four stroke cycle internal combustion engine remains open for
40. The turbine of the turboprop engine is __________ that of the turbojet engine.
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