Reflux ratio variation in a distillation column is between___________________?

Related Mcqs:

In a rotary drier, the average retention time of solid is (where Z = length of the drier, metres ρ = apparent solid density, kg/m3 L = flow rate of dry solids, kg/see. m2 drier crosssection H = hold up of solid.) ?

A. Z.H.ρ/L B. L/Z.H.ρ C. H.ρ/L D. Z.H/ρL...

LMTD correction factor is used in heat exchanger design for____________________?

A. Double pipe heat exchanger B. Multipass shell and tube heat exchanger C. Fouling fluids D. Counter flow of hot and cold fluids...

In a distillation column, minimum clearance to be maintained between the overflow weir and the last row of the bubble caps is ______________ cms?

A. 2.5 B. 7.5 C. 15 D. 20...

Which of the following lengths of heat exchanger tubes are normally not used in practice ?

A. 2.5 metres B. 6 metres C. 10 metres D. 0.5 metre...

In a ______________ riveted joint, the rivets in the various rows are opposite to each other?

A. Zig-zag B. Chain C. Diamond D. None of these...