Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Froth floatation Trough washer Baum jig washer Spiral separator Froth floatation Trough washer Baum jig washer Spiral separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Handling of ashes and similar materials can be done best by a __________ conveyor. Ribbon Drag or slat Belt Flight Ribbon Drag or slat Belt Flight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dry powdery solid materials are transported by a __________ conveyor. Bucket Belt Screw None of these Bucket Belt Screw None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Compression and tearing Compression Impact and attrition Cutting action Compression and tearing Compression Impact and attrition Cutting action ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can't be used for separation of fine suspended solids from a liquid Employ bowl of larger diameter Can not be operated under pressure/vacuum Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Employ bowl of larger diameter Can not be operated under pressure/vacuum Operate at higher speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Gravity filter Centrifugal filter Vacuum filter Pressure filter Gravity filter Centrifugal filter Vacuum filter Pressure filter ANSWER DOWNLOAD EXAMIANS APP