Which of the following is the most suitable for extraction in a system having very low density difference ?

Related Mcqs:

The relative volatility of a binary mixture at constant temperature _________________ the total pressure?

A. Decreases with increase in B. Increases with increase in C. Is independent of D. None of these...

In an absorption column, the flooding velocity for random packing is ___________________ that for stacked/regular packing?

A. Greater than B. Smaller than C. Equal to D. Either A., or B.; depends on the type of packing...

A 25 cm × 25 cm × 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m × 1m × 1cm flat sheet of the same material is to be dried from one side only. Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is ____________________?

A. 1000 B. 1500 C. 2000 D. 2500...

Blowdown in a cooling tower__________________?

A. Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities B. Increases the scale forming tendencies of water C. Is undesirable D. All A., B. & C....

Powdery materials can be guarded against caking tendency on storage by___________________?

A. Providing irregular grain size B. Providing minimum percentage of voids C. Having maximum possible points of contact D. None of these...