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
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Related Mcqs:
- 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....
- 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...
- 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...
- The pressure at the end of compression in the case of diesel engine is of the order of___________________?
- A. 6 kg/cm B. 12kg/cmz C. 20 kg/cmz D. 27.5 kg/cmz E. 35 kg/cm...
- The actual volume of fresh charge admitted in 4-stroke petrol engine is_________________?
- A. equal to stroke volume B. equal to stroke volume and clearance volume C. less than stroke volume D. more than stroke volume E. more than cylinder volume...
- The theoretically correct air fuel ratio for petrol engine is of the order of___________________?
- A. 6 : 1 B. 9 : 1 C. 12 : 1 D. 15 : 1 E. 20 : 1...
- 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...
- 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...
- In petrol engine using a fixed octane rating fuel and fixed compression ratio, super charging will_________________?
- A. increase the knocking tendency B. decrease the knocking tendency C. not affect the knocking tendency D. increase or decrease knocking tendency depending on strength and time of spark E. unpredictable...
- Self-ignition temperature of petrol is of the order of___________________?
- A. 150°C B. 240°C C. 370°C D. 450°C E. more than 500°C....
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