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.Management Sciences
The maximum adiabatic flame temperature in air as compared to that in pure oxygen is_______________?
A. Much lower
B. Much higher
C. Same
D. Either lower or higher, depends on the type of fuel
Related Mcqs:
- Washing of coal decreases its_________________?
- A. Caking index B. Mineral matter content C. Ash content D. Both B. and C....
- Dry air required to burn 1 kg of carbon completely may be around ______________ kg?
- A. 11 B. 2 C. 20 D. 38...
- A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is_________________?
- A. CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60 B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02 C. CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2:72.06 D. CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74...
- Gross heating value of coal is ______________ the net heating value?
- A. Higher than B. Lower than C. Same as D. None of these...
- Removal of hydrogen from coke oven gas ___________________?
- A. Increases its calorific value B. Decreases its calorific value C. Does not alter its calorific value D. Is not possible on commercial scale...
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