Close circuit grinding by a ball mill with air sweeping employs a Both A & B Classifier Neither A nor B Cyclone separator between mill & classifier TRUE ANSWER : ? YOUR ANSWER : ?
Gelatinous solid (which plug the septum) can be filtered by a __________ filter. Plate and frame Precoat Vacuum leaf Sparkler TRUE ANSWER : ? YOUR ANSWER : ?
Capacity (in tons/hr) of jaw/gyratory crusher is equal to (where, L = length of the receiving opening, cm S = greater width of the discharge opening, cm) L.S 0.01 L.S L.S/0.087 0.087 L.S TRUE ANSWER : ? YOUR ANSWER : ?
Xanthates are used in the froth floatation process as a/an Collector Activator Conditioner Frother TRUE ANSWER : ? YOUR ANSWER : ?
Optimum ratio of operating speed to critical speed of a trommel is 1.5-2.5 1.33-1.45 0.33-0.45 0.5-2 TRUE ANSWER : ? YOUR ANSWER : ?
Fluid medium used in the classification technique of mineral beneficiation is Neither A nor B Water Both A & B Air TRUE ANSWER : ? YOUR ANSWER : ?
Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Cube Raschig rings Cylinder (L/D = 1) Sphere TRUE ANSWER : ? YOUR ANSWER : ?
Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their None of these Terminal velocities Particle sizes Densities TRUE ANSWER : ? YOUR ANSWER : ?
Jigging is a technique by which different particles can be Separated by particle shape Separated by particle size Mixed Separated by particle density TRUE ANSWER : ? YOUR ANSWER : ?
In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow. Turbulent None of these Plug Laminar TRUE ANSWER : ? YOUR ANSWER : ?