Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Density separation Size Volatile matter content Differential wettability Density separation Size Volatile matter content Differential wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Pebble mill Rod mill Compartment mill Cage mill Pebble mill Rod mill Compartment mill Cage mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In paint industries, blending of light paste is done by using a Charge can mixer None of these Masticator Kneader Charge can mixer None of these Masticator Kneader ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the compressibility co-efficient Decrease the porosity Increase the porosity Decrease the compressibility co-efficient Increase the compressibility co-efficient Decrease the porosity Increase the porosity Decrease the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In screen analysis, the notation +5 mm/-10 mm means particles passing through 10 mm screen and retained on 5 mm screen 5 mm screen and retained on 10 mm screen Neither 5 mm nor 10 mm screen Both 5 mm and 10 mm screens 10 mm screen and retained on 5 mm screen 5 mm screen and retained on 10 mm screen Neither 5 mm nor 10 mm screen Both 5 mm and 10 mm screens ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 2.76 1 0.5 0.66 2.76 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
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