The proximate analysis of fuel lists__________________?

Related Mcqs:

1. Proximate analysis of fuel is determination of percentage of ____________________?

   A. carbon, hydrogen, nitrogen, sulphur, moisture
   B. fixed carbon, ash, volatile matter, moisture
   C. higher calorific value
   D. lower calorific value
   E. rough analysis

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. Which of the following substance will have same percentage in both proximate and ultimate analysis___________________?

   A. ash
   B. volatile matter
   C. moisture
   D. hydrogen
   E. none of the above

4. 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

5. 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

6. 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

7. 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

8. The ultimate analysis of fuel lists _____________________?

   A. various chemical constituents, carbon, hydrogen, oxygen etc, plus ash as per-cents by volume
   B. various chemical constituents, carbon, hydrogen, oxygen, etc, plus ash as per-cents by weight
   C. fuel constituents as percents by volume of moisture, volatile, fixed carbon and ash
   D. fuel constituents as percents by weight of moisture, volatile, fixed carbon and ash
   E. moisture and ash free heating value

9. Ultimate analysis of fuel is determination of percentage of____________________?

   A. carbon, hydrogen, nitrogen, sulphur, moisture
   B. fixed carbon, ash, volatile matter, moisture
   C. higher calorific value
   B. lower calorific value
   E. best analysis

10. Which is not correct statement about pulverised fuel firing ?

    A. high burning rate is possible
    B. heat release can be easily controlled
    C. fuel burns economically
    D. it is the best technique for burning high ash content fuel having low fusion ash
    E. separate mills are required to powder the coal