Mechanical Operations A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end. Compartment Tube Rod Pebble Compartment Tube Rod Pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 50 85 35 70 50 85 35 70 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Lump size Both A & B Bulk density Neither A nor B Lump size Both A & B Bulk density Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Employs flints or ceramic pebbles as the grinding medium Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner Both B and C Employs flints or ceramic pebbles as the grinding medium Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. None of these Selectivity index Concentration ratio Separation efficiency None of these Selectivity index Concentration ratio Separation efficiency ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For classification of potable (drinking) water, we use a __________ filter. Plate and frame Rotary vacuum Vacuum leaf Gravity sand Plate and frame Rotary vacuum Vacuum leaf Gravity sand ANSWER DOWNLOAD EXAMIANS APP