Mechanical Operations Jigging is a technique by which different particles can be Mixed Separated by particle size Separated by particle shape Separated by particle density Mixed Separated by particle size Separated by particle shape Separated by particle density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In the cyclone separator used for separation of dust from dust laden gas, the gas Enters the cyclone from the top Develops a helical motion inside the chamber Is admitted tangentially at high velocity Both B and C Enters the cyclone from the top Develops a helical motion inside the chamber Is admitted tangentially at high velocity Both B and C 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 Trough washer Spiral separator Baum jig washer Froth floatation Trough washer Spiral separator Baum jig washer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Bond's law Rittinger's law None of these Kick's law Bond's law Rittinger's law None of these Kick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the None of these Properties of the cake & the filtrate Resistance of the cake & the septum Pressure drop & area of filtering surface None of these Properties of the cake & the filtrate Resistance of the cake & the septum Pressure drop & area of filtering surface ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing machine capacity None of these Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed Decreasing machine capacity None of these Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed ANSWER DOWNLOAD EXAMIANS APP
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