Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Different fluids Same field of force Both B and C Same fluid Different fluids Same field of force Both B and C Same fluid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Depressor Frother Collector Conditioner Depressor Frother Collector Conditioner ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1 4.34 0.5 1.34 1 4.34 0.5 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Cotton fabric Glass cloth Metal cloth of monel or stainless steel Nylon Cotton fabric Glass cloth Metal cloth of monel or stainless steel Nylon ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by Propellers Multiple blade paddles Turbine agitators None of these Propellers Multiple blade paddles Turbine agitators None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively more difficult Screening becomes progressively easier Capacity and effectiveness of the screen is increased None of these Screening becomes progressively more difficult Screening becomes progressively easier Capacity and effectiveness of the screen is increased None of these ANSWER DOWNLOAD EXAMIANS APP
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