Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). None of these Dp/Df Df - Dp Df/Dp None of these Dp/Df Df - Dp Df/Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Heading Tailing Middling Concentrate Heading Tailing Middling Concentrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 20 12 8 2 20 12 8 2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Cake thickness Pressure drop alone Flow rate alone Both pressure drop and flow rate Cake thickness Pressure drop alone Flow rate alone Both pressure drop and flow rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 2 D D 0.5 D 1.5 D 2 D D 0.5 D 1.5 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher length/diameter ratio Produces a coarser product Has a higher diameter/length ratio Uses much larger balls Has a higher length/diameter ratio Produces a coarser product Has a higher diameter/length ratio Uses much larger balls ANSWER DOWNLOAD EXAMIANS APP
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