A. gravimetric analysis of the flue gases
B. volumetric analysis of the flue gases
C. mass flow of the flue gases
D. measuring smoke density of flue gases
E. none of the above
Related Mcqs:
- Alkaline pyrogallate is used in Orsat’s apparatus for absorption of _________________?
A. C02
B. CO
C. 02
D. N2
E. none of the above - If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its__________________?
A. specific weight
B. specific mass
C. specific gravity
D. specific density
E. none of the above - The critical pressure at which latent heat of vaporisation is zero is________________?
A. 225.65 kgf/cm2
B. 273 kgf/cm2
C. 100 kgf/cm2
D. 1 kgf/cm2
E. – 1 kgf/cm2 - Latent heat of dry steam at atmospneric pressure is equal to____________________?
A. 539 kcal/kg
B. 539 BTU/lb
C. 427 kcal/kg
D. 100 kcal/kg
E. 471 kcal/kg - 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 - Which of the following varieties of coals is mostly used in steam boilers____________________?
A. non-coking bituminous coal
B. brown coal
C. peat
D. coking bituminous coal
E. none of the above - The diameter of fire tube of Cornish boiler compared to its shell is__________________?
A. one half
B. one third
C. one-fifth
D. two-fifth
E. three-fifth - Steam in water tube boiler as compared to fire tube boiler_________________?
A. can be raised rapidly
B. is raisd at slower rate
C. is raised at same rate
D. could be raised at fast/slow rate depending on design
E. none of the above is true - 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 - The safety valve on boiler drum compared to safety valve on super heater is set at ________________?
A. same value
B. higher value
C. lower value
D. lower/higher depending on steam flow
E. unpredicatble
