Mechanical Operations Vertical transportation of materials can be done by a/an Pneumatic conveyor Bucket elevator Apron conveyor Both B & C Pneumatic conveyor Bucket elevator Apron conveyor Both B & C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Cage Neither A nor B Both A & B Hammer Cage Neither A nor B Both A & B Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Heavy media separation Tabling None of these Elutriation Heavy media separation Tabling None of these Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an Venturi scrubber Bag filter Hydrocyclones Air filter Venturi scrubber Bag filter Hydrocyclones Air filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Flow rate alone Cake thickness Pressure drop alone Both pressure drop and flow rate Flow rate alone Cake thickness Pressure drop alone Both pressure drop and flow rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/6D.S V/D.S S/V 6.V/D.S V/6D.S V/D.S S/V 6.V/D.S ANSWER DOWNLOAD EXAMIANS APP