Which of the following is not categorised as a “mechanical operation”?

Related Mcqs:

The critical speed of a trommel (N) is related to its dia D. as _____________________?

A. N ∝ 1/√D B. N ∝ √D C. N ∝ D D. N ∝ 1/D...

In filtration, the use of ‘filter aid’ helps in__________________?

A. Reducing the filtration pressure B. Accelerating the rate of filtration C. Deplugging the filter medium D. Enhancing the cake porosity in case of a dense impermeable cake...

Wheat is ground into flour in a___________________?

A. Hammer crusher B. Roller crusher C. Impact mill D. Fluid energy mill...

The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is_______________?

A. 2 B. √2 C. 1.5 D. √3...

For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the ______________ filter?

A. Plate & frame B. Shell & leaf C. Sand D. Rotary vacuum...