A. Higher
B. Lower
C. Equal
D. None of these
Submitted by: Faheem Zaman Dhaunroo
Related Mcqs:
- The air standard efficiency of an Otto cycle compared to diesel cycle for the given compression ratio is__________________?
A. same
B. less
C. more
D. more or less depending on power rating
E. unpredictable - If the compression ratio of an engine working on Otto cycle is increased from 5 to 7, the %age increase in efficiency will be________________?
A. 2%
B. 4%
C. 8%
D. 14%
E. 27%. - 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 - The thermal efficiecny of a diesel cycle having fixed compression ratio, with increase in cut-off ratio will___________________?
A. increase
B. decrease
C. be independent
D. may increase or decrease depending on other factors
E. none of the above - The m.e.p. of a diesel cycle having fixed compression ratio with increase in cut-off will_________________?
A. increase
B. decreae
C. be unaffected
D. depend on other factors
E. unpredictable - In diesel engine, the compression ratio in comparison to expansion ratio is_______________?
A. same
B. less
C. more
D. variable
E. more/less depending on engine capacity. - 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 - Isothermal compression efficiency, even when running at high speed, can be approached by using A. multi-stage compression B. cold water spray C. both A. and B. above D. fully insulating the cylinder E. high stroke_________________?
Isothermal compression efficiency, even when running at high speed, can be approached by using
A. multi-stage compression
B. cold water spray
C. both A. and B. above
D. fully insulating the cylinder
E. high stroke - 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 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
