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_____________________?

Related Mcqs:

The calorific value of gaseous fuels is expressed in terms of__________________?

A. kcal B. kcal/kg C. kcal/m2 D. kcal/m² E. all of the above...

Scavenging is usually done to increase__________________?

A. thermal efficiency B. speed C. power output D. fuel consumption E. all of the above...

Does the supply of scavenging air at a density greater than that of atmosphere mean engine is supercharged ?

A. yes B. no C. to some extent D. unpredictable E. depends on other factors...

Injection lag is_________________?

A. the time taken by fuel after injection (before top dead center) to reach upto auto-ignition temperature B. time before actual fuel injection and the pump pluger starts to pump fuel C. time corresponding to actual injection and top dead center D. time corresponding to actual ignition and top dead center E. none of the … Injection lag is_________________?Read More...

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...