309. Pick up the false statement
A.Thermal Efficiency Of Diesel Engine is About 34%
B.Theoretically Correct Mixture Of Air and Petrol Is Approximately 15 : 1
C.S.I. Engines Are Quality-Governed Engines
D.Diesel Engines Are Compression Ignition Engines

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310. If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the
A.Exhaust Will Be Smoky
B.Piston Rings Would Stick Into Piston Grooves
C.Scavenging Occurs.
D.Engine Starts Overheating

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311. The output of a diesel engine can be increased without increasing the engine revolution or size in following way
A.Feeding More Fuel
B.Increasing Flywheel Size
C.Supercharging
D.Scavenging

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312. It the temperature of intake air in IC engines is lowered, then its efficiency will
A.Increase
B.Decrease
C.Remain Same
D.Increase upto Certain Limit And Then Decrease

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313. In a typical medium speed 4-stroke cycle diesel engine
A.Compression Starts At 35° After Bottom Dead Center And Ends At Top Dead Center
B.Compression Starts At Bottom Dead Center And Ends At Top Dead Center
C.Compression Starts At 10° Before Bottom Dead Center And, Ends Just Before Top Dead Center
D.May Start And End Anywhere

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314. For the same compression ratio
A.Otto Cycle is More Efficient Than The Diesel
B.Diesel Cycle Is More Efficient than Otto
C.Both Otto And Diesel Cycles Are Equally Efficient
D.Compression Ratio Has Nothing To Do With Efficiency

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315. The process of breaking up or a liquid into fine droplets by spraying is called
A.Vaporization
B.Carburettion
C.Atomisation
D.Injection

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