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 Air filter Venturi scrubber Bag filter Hydrocyclones Air filter Venturi scrubber Bag filter Hydrocyclones ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated At a speed equal to the critical speed At a speed more than the critical speed With minimum possible small balls At a speed less than the critical speed At a speed equal to the critical speed At a speed more than the critical speed With minimum possible small balls At a speed less than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 2.76 0.5 1 0.66 2.76 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Electrolyte Both A & B Neither A nor B Surface active agent Electrolyte Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Tube mill Pebble mill Compartment mill Rod mill Tube mill Pebble mill Compartment mill Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The inlet pressure in a constant rate filtration Remains constant None of these Increases continuously Decreases gradually Remains constant None of these Increases continuously Decreases gradually ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS