Size reduction mechanism used in Jaw crushers is Attrition Impact Cutting Compression TRUE ANSWER : ? YOUR ANSWER : ?
Pick out the material having minimum Rittinger's number. Quartz Calcite Galena Pyrite TRUE ANSWER : ? YOUR ANSWER : ?
Limestone is normally crushed in a Hammer crusher Tube mill Roll crusher Ball mill TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a batch sedimentation equipment? Filter thickener Dust catcher Rotary sprayer scrubber Dry cyclone separator TRUE ANSWER : ? YOUR ANSWER : ?
For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ NRe Np ∝ 1/NRe Np ∝ √NRe Np → constant TRUE ANSWER : ? YOUR ANSWER : ?
To remove dirt from the flowing fluid, we use a Coagulant Gravity settler Strains Clarifier TRUE ANSWER : ? YOUR ANSWER : ?
For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 25 75 50 10 TRUE ANSWER : ? YOUR ANSWER : ?
Shape factor for a cylinder whose length equals its diameter is 1.5 1.0 0.5 2.0 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is a pressure filter? Rotary drum filter Leaf filter (Moore filter) Plate and flame filter Sand filter TRUE ANSWER : ? YOUR ANSWER : ?
The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ √ΔP Independent of ΔP ∝ 1/ ΔP ∝ ΔP TRUE ANSWER : ? YOUR ANSWER : ?