Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Frother Activator Modifier Collector Frother Activator Modifier Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using None of these Cyclone separator Strainer Electrostatic precipitator None of these Cyclone separator Strainer Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Viscosity of the liquid Density of the liquid Cube of impeller diameters Square of rotational speed Viscosity of the liquid Density of the liquid Cube of impeller diameters Square of rotational speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 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 Disc bowl centrifuge Sparkler filter Batch basket centrifuge Sharpies supercentrifuge Disc bowl centrifuge Sparkler filter Batch basket centrifuge Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 50 0.007 0.014 0.3 50 0.007 0.014 0.3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the None of these Assumption that all particles in a single fraction are equal in size, is not needed Assumption that all particles in a single fraction are equal in size Fact that screening is more effective None of these Assumption that all particles in a single fraction are equal in size, is not needed Assumption that all particles in a single fraction are equal in size Fact that screening is more effective ANSWER DOWNLOAD EXAMIANS APP
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