The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be _______________ cms?

Related Mcqs:

Grinding efficiency of a ball mill is of the order of _______________ percent?

A. 1-5 B. 40-50 C. 75-80 D. 90-95...

The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be_________________?

A. 0.5 Wi B. Wi C. 1.34 Wi D. 3.34 Wi...

______________ mill is not a revolving mill ?

A. Pebble B. Compartment C. Cage D. Tube...

Tube mill compared to ball mill_______________________?

A. Produces finer products B. Is long in comparison with its diameter C. Uses smaller balls D. All A., B. & C....

Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm) ?

A. Trough washer B. Baum jig washer C. Spiral separator D. Froth floatation...