During agitation of liquids, power consumption during laminar flow is not proportional to the Cube of impeller diameters Viscosity of the liquid Density of the liquid Square of rotational speed TRUE ANSWER : ? YOUR ANSWER : ?
Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them. Ball mill, Jaw crusher, Fluid energy mill Fluid energy mill, Ball mill, Jaw crusher Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Jaw crusher, Ball mill TRUE ANSWER : ? YOUR ANSWER : ?
Traces of liquid tar fog present in coke oven gas is separated using Electrostatic precipitator Cyclone separator None of these Strainer TRUE ANSWER : ? YOUR ANSWER : ?
Size reduction does not occur due to compression in case of Jaw crushers Smooth roll crushers Rod mills Gyratory crushers TRUE ANSWER : ? YOUR ANSWER : ?
A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is 0.4 0.6 None of these 0.1 TRUE ANSWER : ? YOUR ANSWER : ?
Crushing efficiency of a machine ranges between __________ percent. 0.1 to 2 5 to 10 50 to 70 20 to 25 TRUE ANSWER : ? YOUR ANSWER : ?
Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a __________ conveyor. Screw Slat Ribbon Drag TRUE ANSWER : ? YOUR ANSWER : ?
The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N¹ N° N² N³ TRUE ANSWER : ? YOUR ANSWER : ?
Filtration should be stopped in a filter press, if the Liquor stops flowing out to the discharge Cake becomes very dense Both A & B Filtration pressure rises suddenly TRUE ANSWER : ? YOUR ANSWER : ?
A screen is said to be blinded, when the Oversizes are present in undersize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Undersizes are retained in oversize fraction TRUE ANSWER : ? YOUR ANSWER : ?