Mechanical Operations In a roll crusher, both the rolls Are rotated towards each other Run either at the same or different speeds All of these Have the same diameter Are rotated towards each other Run either at the same or different speeds All of these Have the same diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a wet classifier? Dorr Oliver rake classifier Hydrocyclones None of these Sharpies supercentrifuge Dorr Oliver rake classifier Hydrocyclones None of these Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. Terminal velocities in the same fluid & in the same field of force Size Specific gravity None of these Terminal velocities in the same fluid & in the same field of force Size Specific gravity None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Frother Depressor Conditioner Collector Frother Depressor Conditioner Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Has the dimension of length Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Has the dimension of length Is always less than 1 Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Dispersion Comminution Pulverisation Compression Dispersion Comminution Pulverisation Compression ANSWER DOWNLOAD EXAMIANS APP
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