A. Coke
B. Coal
C. Peat
D. None of these
Submitted by: Faheem Zaman Dhaunroo
Related Mcqs:
- 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 - Which of the following solid fuel has high caloric value : ___________?
A. Wood
B. Peat
C. Bituminous coal
D. Anthracite coalSubmitted by: Faheem Zaman Dhaunroo
- 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. - High carbon steel carries carbon %age c_________________?
A. 0.1 to 0.3%
B. 0.3 to 0.6%
C. 0.6 to 0.8%
D. 0.8 to 1.5%
E. 1.5 to 2.5%. - Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value ___________________?
A. (1- moisture content)
B. (1 + moisture content)
C. 1 + moisture content
D. 1 – moisture content - Which is correct statement about reaction time for autoignition of fuel and the fuel air ratio__________________?
A. lean mixture has high reaction time
B. rich mixture has high reaction time
C. chemically correct mixture has mini-mum reaction time
D. all of the above
E. non of the above - Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of________________?
A. Lean mixture
B. Chemically correct fuel air ratio
C. Rich mixture
D. Unpredictable - The m.e.p. of a petrol engine first increases as the fuel air ratio is increased and then decreases on further increase in fuel air ratio. The M.E.P is maximum in the zone of________________?
A. lean mixture
B. chemically correct mixture
C. rich mixture
D. unpredictable
E. none of the above - The bituminous coal is non-caking if its carbon content is_______________?
A. 78-81%
B. 81-85%
C. 85-90%
D. 90-95%
E. 95-100%. - The percentage of carbon in low carbon steel is__________________?
A. 0.05%
B. 0.15%
C. 0.3%
D. 0.5%
E. 0.7%.