The actual volume of fresh charge admitted in 4-stroke petrol engine is_________________?

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. The pressure and temperature at the end of compression stroke in a petrol engine are of the order of___________________?

   A. 4 – 6 kg/cm2 and 200 – 250°C
   B. 6 – 12 kg/cm2 and 250 – 350°C
   C. 12 – 20 kg/cm2 and 350 – 450°C
   D. 20 – 30 kg/cm2 and 450 – 500°C
   E. 30 – 40 kg/cm2 and 500 – 700°C

5. 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

6. The firing order in a six stroke I.C. engine is_________________?

   A. 1-3-6-5-2-4
   B. 1-4-2-5-6-3
   C. 1-6-2-5-4-3
   D. 1-5-2-6-3-4
   E. 1-5-3-4-2-6

7. 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

8. Diesel engine can work on very lean air fuel ratio of the order of 30 : 1. A petrol engine can also work on such a lean ratio provided__________________?

   A. it is properly designed
   B. best quality fuel is used
   C. can not work as it is impossible
   D. flywheel size is proper
   E. engine cooling is stopped

9. The specific fuel consumption of a petrol engine compared to diesel engine of same H.P. is_______________?

   A. same
   B. more
   C. less
   D. less or more depending on operating conditions
   E. unpredictable

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

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