A. Maximum
B. Optimum
C. Poor
D. Constant
Related Mcqs:
- The following type of carburettor is preferred_______________?
A. concentric type
B. eccentric type
C. horizontal type
D. vertical type
E. none of the above - The fuel air ratio in a petrol engine fitted with suction carburettor, operating with dirty air filter as compared to clean filter will be________________?
A. higher
B. lower
C. remain unaffected
D. unpredictable
E. none of the above - The termal efficiency of a petrol engine at design load is around_________________?
A. 90%
B. 50%
C. 40%
D. 30%
E. 15%. - The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called__________________?
A. net efficiency
B. efficiency ratio
C. relative efficiency
D. overall efficiency
E. cycle efficiency - 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. - The efficiency of I.C. engines normally is of the order of_________________?
A. 15-20%
B. 20-25%
C. 25-30%
D. 30-35%
E. 35-50% - 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 - The thermal efficiency of a diesel engine is of the order of_________________?
A. 92%
B. 68%
C. 52%
D. 34%
E. 25%. - Hot air standard diesel cycle efficiency with increase in value of C„_______________?
A. increases
B. decreases
C. remains unaffected
D. depends on other factors
E. unpredictable - The thermal efficiency of a semi-diesel cycle having fixed compression ratio and fixed quantity of heat, with increase in pressure ratio will_______________?
A. increase
B. decrease
C. remain unaffected
D. increase/decrease depending upon engine capacity
E. first increase and then decrease
