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

Related Mcqs:

1. Diesel engines as compared to petrol engines require ______________________?

   A. bigger flywheel B. smaller flywheel C. same size flywheel D. no flywheel E. flywheel whose size may be less or more depending on several other fac-tors...

2. 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...

3. 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...

4. 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...

5. 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...

6. The air-fuel ratio in petrol engines-is controlled by__________________?

   A. controlling valve opening/closing B. governing C. injection D. carburettion E. scavenging and supercharging...

7. 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....

8. Most high speed compression engines operate on __________________?

   A. Diesel cycle B. Otto cycle C. Dual combustion cycle D. Special type of air cycle E. Carnot cycle...

9. Most high speed compression engines operate on ___________________?

   A. Otto cycle B. Diesel cycle C. Dual cycle D. Carnot cycle E. Two stroke cycle...

10. Expanding steam to a very low pressure (high vacuum) in steam engines is _________________?

    A. desirable B. economical C. essential D. optional E. uneconomical...