The working cycle in case of four stroke engine is completed in following number of revolutions of crankshaft___________________?

Related Mcqs:

1. 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....

2. For same power and same speed, the flywheel of a four stroke engine as compared to two-stroke I.C. engine will be________________?

   A. smaller B. bigger C. same size D. dependent on other engine parameters E. unpredictable...

3. For the same size and weight, a two stroke engine as compared to four stroke engine will generate power_________________?

   A. about twice B. about 0.5 times C. nearly equal D. about 1.7 times E. about 5 times...

4. All the four operations in two stroke engine are performed in following number of revolutions of crank shaft______________________?

   A. Half B. One C. Two D. Four...

5. 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...

6. The inlet value of a four stroke cycle I.C engine remains open for nearly___________________?

   A. 180° B. 125° C. 235° D. 200° E. 275°...

7. Scavenging air is supplied to a two-stroke engine at a density greater than that of atmosphere. This means the engine is__________________?

   A. Supercharged B. Not supercharged C. Charged D. Supercharged provided its speed is low...

8. The cam shaft of a four stroke I.C. engine running at 1500 rmp will run at __________________?

   A. 1500 rpm B. 750 rpm C. 3000 rpm D. any value independent of engine speed E. none of the above...

9. In a typical medium speed, 4-stroke cycle diesel engine ___________________?

   A. fuelinjection starts at 10° before to dead center and ends at 20° after tor dead center B. fuel injection starts at top dead center and ends at 20° after top dead center C. fuel injection starts at just before top dead center and ends just after top deac center D. may start and end...

10. In a typical medium speed 4-stroke cycle diesel engine the inlet valve_____________________?

    A. opens at 20° before top dead center and closes at 35° after the bottom dead center B. opens at top dead center and closes at bottom dead center C. opens at 10° after top dead center and closes 20° before the bottom dead center D. may open or close anywhere E. remains open for...