Directions to Solve Find the correctly spelt words. A Guarantee
B Gaurantee
C Guaruntee
D Garuntee
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A haphazard motion of the gases in the chamber
B none of the above
C rotary motion of the gases in the chamber
D radial motion of the gases in the chamber
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A qetane number 35
B cetane number 65
C octane number 35
D octane number 65
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A In compression ignition engines, detonation occurs near the beginning of combustion.
B To eliminate knock in compression ignition engines, we want to achieve auto-ignition not early and desire a long delay period.
C In compression ignition engines, because of hetrogeneous mixture, the rate of pressure rise is comparatively lower.
D Since the fuel, in compression ignition engines, is injected at the end of compression stroke, therefore, there will be no pre-ignition.
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A 2000 km/h
B 1000 km/h
C 2400 km/h
D 3000 km/h
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A none of these
B injector
C carburettor
D fuel pump
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A reduce
B increase
C not effect
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A both (a) and (b)
B none of these
C retarding the spark
D increasing the engine speed
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A True
B False
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A mechanical efficiency
B volumetric efficiency
C overall efficiency
D indicated thermal efficiency
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