The spark plug gap is normally maintained at________________?

Related Mcqs:

1. In order to prevent knock in the S.I. engines, the charge away from the spark plug should have___________________?

   A. low temperature B. low density C. long ignition delay D. rich mixture E. all of the above...

2. The ignition of charge by some hot surface in the engine cylinder before operation of spark plug is known as________________?

   A. auto ignition B. preignition C. retarded ignition D. accelerated ignition E. detonation...

3. 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...

4. With increase in engine speed, the ignition of spark in petrol engine has to be __________________?

   A. Unaltered B. Increased C. Decreased D. Advanced...

5. In a cycle, the spark lasts roughly for ____________________?

   A. 1 sec B. 0.1 sec C. 0.01 sec D. 0.001 sec E. 0.0001 sec...

6. Kerosene is distilled at________________?

   A. 30 – 65°C B. 65 – 220°C C. 220 – 350°C D. 350 – 450°C E. 450-550°C...

7. Free air is the air at________________?

   A. atmospheric conditions at any specific location B. 20°C and 1 kg/cm2 and relative humidity of 36% C. 0°C and standard atmospheric conditions D. 15°C and 1 kg/cm2 E. 25°C, 1 kg/cm2 and relative humidity of 50%....

8. The fusible plug in small boilers is located ________________?

   A. in the drum B. in the fire tubes C. above steam dome D. over the combustion chamber E. at the inlet of chimney...

9. A fusible plug is fitted in small boilers in order to ___________________?

   A. avoid excessive build up of pressure B. avoid explosion C. extinguish fire if water level in the boiler falls below alarming limit D. control steam dome E. remove molten aslj...

10. Fusible plug for boilers is made of fusible metal containing tin, lead, and___________________?

    A. bismuth B. copper C. aluminium D. nickel E. iron...