Mechanical Operations Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. Slat or drag Flight Screw Ribbon Slat or drag Flight Screw Ribbon ANSWER DOWNLOAD EXAMIANS APP
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 Gravity settling process is not involved in the working of a Classifier Hydrocyclone Sedimentation tank Dorr-thickener Classifier Hydrocyclone Sedimentation tank Dorr-thickener 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) 1.5 D 0.5 D 2 D D 1.5 D 0.5 D 2 D D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Coarse feed requires a larger ball Operating speed should be more than the critical speed None of these Fine feed requires a larger ball Coarse feed requires a larger ball Operating speed should be more than the critical speed None of these Fine feed requires a larger ball ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Both A and C Consumes more power Consumes less power Results in increased capacity Both A and C Consumes more power Consumes less power Results in increased capacity ANSWER DOWNLOAD EXAMIANS APP