Dust content in raw blast furnace gas is about _______________ gm/Nm3; hence it is cleaned to the dust level of about < 10 mg /Nm3 before use?

Related Mcqs:

Bomb calorimeter can be used to determine the _____________ of the coal?

A. Sulphur content B. Calorific value C. Both A. & B. D. Neither A. nor B....

Correct viscosity of furnace oil at the burner tip for proper atomisation is about 25 centistokes. To reduce the viscosity of high viscosity furnace oil (250 centistokes) to the correct atomisation viscosity (i.e. 25 cst), it should be preheated to about ______________°C?

A. 70 B. 85 C. 105 D. 145...

‘Fat’ coal means a coal having ___________________?

A. Low calorific value B. High volatile matter C. Low ash content D. Non smoking tendency...

Rate of low temperature oxidation of coal due to bad storage conditions_______________?

A. Decreases with increase in surface area B. Does not vary with increase in surface area C. Is more for low volatile coal compared to high volatile coal D. Is accelerated by storage in large heaps with small surface to volume ratio...

High temperature in gasification of coal favours________________?

A. High production of CO2 B. Low production of CO2 C. High production of CO D. Both B. and C....