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

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 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

3. 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

4. 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

5. 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

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. 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

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

   A. 1/2
   B. 1
   C. 2
   D. 4
   E. 8

9. An engine has a normal speed of 960 r.p.m. and no load speed of 1000 r.p.m. The speed droop of governor will be about___________________?

   A. 2%
   B. 4%
   C. 8%
   D. ±4%
   E. 1%.

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 200°.