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 Volatile matter content Density separation Size Differential wettability Volatile matter content Density separation Size Differential wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a cutting machine? Tube mills Knife cutters Dicers Slitters Tube mills Knife cutters Dicers Slitters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Neither A nor B Feed material Type of crushing machine Both A & B Neither A nor B Feed material Type of crushing machine Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Diatomaceous earth Rice husk Asbestos Purified wood cellulose Diatomaceous earth Rice husk Asbestos Purified wood cellulose ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Separation of cream from milk Dewaxing of lubricating oil Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Separation of cream from milk Dewaxing of lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these ANSWER DOWNLOAD EXAMIANS APP
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