The specific fuel consumption per BHP hour for diesel engine is approximately___________________?

Related Mcqs:

1. 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

2. The specific fuel consumption for a petrol engine first decreases with increase in fuel air ratio and then increases with further increase in fuel air ratio. The minimum value occurs in the range of__________________?

   A. lean mixture
   B. chemically correct mixture
   C. rich mixture
   D. unpredictable
   E. none of the above

3. The specific fuel consumption per BH hour for a petrol engine is approximately__________________?

   A. 0.15 kg
   B. 0.2 kg
   C. 0.25 kg
   D. 0.3kg
   E. 0.35 kg

4. A 5 BHP engine running at full load would consume diesel of the order of_________________?

   A. 0.3 kg/hr
   B. 1 kg/hr
   C. 3 kg/hr
   D. 5 kg/hr
   E. 10 kg/hr

5. Diesel engines have low specific fuel consumption compared to petrol engine. This statement is____________________?

   A. not true
   B. true at full load
   C. true at part load
   D. true at both part and full load
   E. there could not be any such criterion

6. In diesel engine the diesel fuel injected into cylinder would burn instantly at about compressed air temperature of____________________?

   A. 250°C
   B. 500°C
   C. 1000°C
   D. 150CPC
   E. 2000°C

7. 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

8. High carbon content in diesel oil used for diesel engine leads to_________________?

   A. production of highly corrosive gases corroding the cylinder walls and exhaust system
   B. excessive engine wear
   C. damaging of both the storage tank and the engine
   D. deposition on engine parts
   E. none of the above.

9. 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

10. The output of a diesel engine can be increased without increasing the engine revolution or size in following way_________________?

    A. feeding more fuel
    B. increasing flywheel size
    C. heating incoming air
    D. scavenging
    E. supercharging