Engineering - Mechanical Engineering

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1.

The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft                        
A. 1/2 B. 1
C. 2 D. 4



2.

A 5 BHP engine running at full load would consume diesel of the order of                        
A. 0.3 kg/hr B. 1 kg/hr
C. 3 kg/hr D. 5 kg/hr



3.

A 75 cc engine has following parameter as 75 cc                        
A. fuel tank capacity B. lub oil capacity
C. swept volume D. cylinder volume




4.

A diesel engine as compared to petrol engine (both running ar rated load) is                        
A. more efficient B. less efficient
C. equally efficient D. unpredictable



5.

A heat engine utilises the                        
A. calorific value of oil B. low heat value of
C. high heat value of oil D. mean heat value of oil



6.

Air fuel ratio at which a petrol engine can not work is                        
A. 8 : 1 B. 10 : 1
C. 15 : 1 D. 20 : 1 and less



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