Correct answer
D. Twice
Explanation
The correct answer is Twice.
For specified tube outside diameter, higher BWG means higher________?
Trommels employ ________ for screening of materials?
Main constituents of Portland cement are calcium aluminate and________?
Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?
Bomb calorimeter is used to determine the (where, GCV – Gross Calorific Value. NCV – Net Calorific Value.)?
The type of liquor circulation system to be ‘ employed in evaporators (viz. natural or forced circulation) is determined mainly by the ________ of the liquid?