Kerosene is distilled at________________?
Kerosene is distilled at________________?
A. 30 – 65°C
B. 65 – 220°C
C. 220 – 350°C
D. 350 – 450°C
E. 450-550°C
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Diesel engine can work on very lean air fuel ratio of the order of 30 : 1. A petrol engine can also work on such a lean ratio provided__________________?
Diesel engine can work on very lean air fuel ratio of the order of 30 : 1. A petrol engine can also work on such a lean ratio provided__________________?A. it is properly designed
B. best quality fuel is used
C. can not work as it is impossible
D. flywheel size is proper
E. engine cooling is stoppedThe spark plug gap is normally maintained at________________?
The spark plug gap is normally maintained at________________?A. 0.1 to 0.2 mm
B. 0.2 to 0.4 mm
C. 0.45 to 0.6 mm
D. 0.6 to 0.8 mm
E. 0.8 to 1 mmThe actual volume of fresh charge admitted in 4-stroke petrol engine is_________________?
The actual volume of fresh charge admitted in 4-stroke petrol engine is_________________?A. equal to stroke volume
B. equal to stroke volume and clearance volume
C. less than stroke volume
D. more than stroke volume
E. more than cylinder volumeA 5 BHP engine running at full load would consume diesel of the order of_________________?
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
E. 10 kg/hrThe temperature of interior surface of cylinder wall in normal operation is not allowed to exceed____________________?
The temperature of interior surface of cylinder wall in normal operation is not allowed to exceed____________________?A. 80°C
B. 120°C
C. 180°C
D. 240°C
E. 320°CThe thermal efficiency of a two cycle engine as compared to four cycle engine is_________________?
The thermal efficiency of a two cycle engine as compared to four cycle engine is_________________?A. more
B. less
C. same
D. more upto some load and then less
E. it may be less or more depending on several other factors