Mechanical Operations A tube mill as compared to a ball mill Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls All of these Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In bag filters, filter fabrics are never made of Nylon fibres Metallic wire woven mesh Cotton fibres Polyester fibres Nylon fibres Metallic wire woven mesh Cotton fibres Polyester fibres ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Both B and C Same field of force Different fluids Same fluid Both B and C Same field of force Different fluids Same fluid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations increasing the capacity of a screen __________ the screen effectiveness. Does not effect None of these Decreases Increases Does not effect None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Surface area per unit mass Micron Centimetre Screen size Surface area per unit mass Micron Centimetre Screen size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Fluid energy mill Rod mill Jaw crusher Ball mill Fluid energy mill Rod mill Jaw crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP