The approximate height of a blast furnace having a useful volume of 2000 m3 is about _______________ metres ?

Related Mcqs:

Matte smelting is used in the extraction of_____________________?

A. Lead B. Zinc C. Aluminium D. Copper...

Which of the following is the most suitable abrasive for grinding high tensile strength materials ?

A. Silicon carbide B. Corundum C. Aluminium oxide D. Boron carbide...

Oxyacetylene reducing flame is used while carrying out welding on___________________?

A. Alloy steel B. Grey cast iron C. Mild steel D. High carbon steel...

The elastic strain in copper is due to the__________________?

A. Motion of dislocations B. Stretching of atomic bonds C. Breakage of atomic bonds D. None of the above...

Which of the following does not discharge the dust collected as a dry solid?

A. Electrostatic precipitator B. Wet scrubber C. Bag filter D. Gravity settling chamber...