Diesel engines as compared to petrol engines require ______________________?

Related Mcqs:

1. Diesel engines have low specific fuel consumption compared to petrol engine. This statement is____________________?

   A. not true B. true at full load C. true at part load D. true at both part and full load E. there could not be any such criterion...

2. The thermal efficiency of a petrol engine of two stroke with crank case scavenging as compared to four stroke petrol engine with same comperssion ratio will be_____________________?

   A. higher B. lower C. same D. depends on size of engine E. unpredictable....

3. The self-ignition temperature of diesel oil compared to petrol is_________________?

   A. higher B. lower C. same D. depends on quality of fuel E. unpredictable...

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. unperdictable E. other factors will decide it...

5. Diesel fuel, compared to petrol is_________________?

   A. less difficult to ignite B. just about the same difficult to ignite C. more difficult to ignite D. highly ignitable E. none of the above...

6. The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is_______________?

   A. same B. more C. less D. less or more depending on operating conditions E. unpredictable...

7. In petrol engines, the maximum power is developed corresponding to relative fuel air ratio of________________?

   A. 0.85 B. 1 C. 1.1 to 1.3 D. 1.2 to 1.5...

8. For low speed operation or for idling in petrol engines, the engine requirements are for_______________?

   A. lean mixture B. theoretically correct mixture C. rich mixture D. any type of mixture E. lean/rich mixture depending upon capacity of engine...

9. The essential equipment for producing high vlotage for sparking in petrol engines with battery is_______________?

   A. ignition coil B. ignition coil and distributor C. ignition coil and condenser D. ignition coil and contact breaker E. ignition coil, contact breaker and con-denser...

10. In petrol engines, advancing the spark timing will_______________?

    A. increase the knocking tendency B. decrease the knocking tendency C. not affect the knocking tendncy D. increase or decrease knocking tendency depending on strenght and time of spark E. unpredictable...