Two iron pipes of the same nominal diameter but different schedule numbers will have the same Inside diameter None of these Wall thickness Outside diameter TRUE ANSWER : ? YOUR ANSWER : ?
__________ is the determining factor for the number of bubble caps to be used per tray. Tray diameter Vapor load Permissible slot velocity Liquid load TRUE ANSWER : ? YOUR ANSWER : ?
Vertical condenser is advantageous to the horizontal condenser from operation point of view, when Sub cooling of condensate is desired Only the function of condensation is to be carried out Both the functions of condensation & sub cooling are carried out in a single unit Hydrostatic head is required for refluxing the condensate TRUE ANSWER : ? YOUR ANSWER : ?
What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers? 6.5 mm Equal to tube O.D 6.5 cms Equal to tube I.D TRUE ANSWER : ? YOUR ANSWER : ?
__________ dished head is the strongest of all. Hemispherical Torispherical None of these Elliptical TRUE ANSWER : ? YOUR ANSWER : ?
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by An increase in relatived volatility for rectification columns All of these Decrease in gas solubility for absorbers An increase in liquid viscosity TRUE ANSWER : ? YOUR ANSWER : ?
The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter) 0.5 d 2 d 0.75 d D TRUE ANSWER : ? YOUR ANSWER : ?
Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section. Less than Either more or less (depending upon relative volatility) Same as More than TRUE ANSWER : ? YOUR ANSWER : ?
Steam side heat transfer co-efficient for design consideration under ordinary condition can be assumed to be about __________ kcal/hr.m².°C. 15000 1250 2500 7500 TRUE ANSWER : ? YOUR ANSWER : ?