In paint industries, blending of light paste is done by using a Charge can mixer Kneader None of these Masticator TRUE ANSWER : ? YOUR ANSWER : ?
Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a Sharpies supercentrifuge Sparkler filter Disc bowl centrifuge Batch basket centrifuge TRUE ANSWER : ? YOUR ANSWER : ?
Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is All of these Added to the feed slurry Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration TRUE ANSWER : ? YOUR ANSWER : ?
All resistances during washing of cake Remain constant None of these Decreases Increases TRUE ANSWER : ? YOUR ANSWER : ?
Size measurement of ultrafine particles can be best expressed in terms of Micron Centimetre Screen size Surface area per unit mass TRUE ANSWER : ? YOUR ANSWER : ?
The process opposite to 'dispersion' is termed as the Sedimentation Flocculation None of these Filtration TRUE ANSWER : ? YOUR ANSWER : ?
Chance process is used for the Cleaning of coal Concentration of iron ore Concentration of pyrites Water treatment TRUE ANSWER : ? YOUR ANSWER : ?
During agitation of liquids, power consumption during laminar flow is not proportional to the Square of rotational speed Cube of impeller diameters Viscosity of the liquid Density of the liquid TRUE ANSWER : ? YOUR ANSWER : ?
In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 35 50 70 85 TRUE ANSWER : ? YOUR ANSWER : ?
During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At the end of filtration, but decreases with time subsequently At the end of filtration At time zero When half the filtrate has been obtained TRUE ANSWER : ? YOUR ANSWER : ?