Mechanical Operations To produce talcum powder, use Ball mill Pin mill Hammer mill Jet mill Ball mill Pin mill Hammer mill Jet mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Froth floatation Spiral separator Baum jig washer Trough washer Froth floatation Spiral separator Baum jig washer Trough washer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 75 25 50 10 75 25 50 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Capacity and effectiveness of the screen is increased Screening becomes progressively easier Screening becomes progressively more difficult None of these Capacity and effectiveness of the screen is increased Screening becomes progressively easier Screening becomes progressively more difficult None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio Decreasing machine capacity Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio Decreasing machine capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Sulphates Silicates & phosphates Carbonates Bi-carbonates Sulphates Silicates & phosphates Carbonates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
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