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

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. 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. 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°

6. 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

7. 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

8. 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

9. 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

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

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