Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Cams or eccentric shafts Unblanced fly wheels Either A, B or C Electromagnets Cams or eccentric shafts Unblanced fly wheels Either A, B or C Electromagnets ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Centrifugal pressure exerted by the liquid Formation of highly porous cake Speed of the centrifuge Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Formation of highly porous cake Speed of the centrifuge Narrow diameter of the vessel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 100 to 250 5 to 25 0.2 to 0.8 50 to 100 100 to 250 5 to 25 0.2 to 0.8 50 to 100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for __________ flow of filtrate. Incompressible cake and turbulent Compressible cake and turbulent Compressible cakes and laminar Incompressible cake and laminar Incompressible cake and turbulent Compressible cake and turbulent Compressible cakes and laminar Incompressible cake and laminar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Disc-bowl Tubular bowl Perforated horizontal basket continuous Suspended batch basket Disc-bowl Tubular bowl Perforated horizontal basket continuous Suspended batch basket ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³) 3.6 W.D.V. 3.6 D.V.ρ 3.6 W.D.V.ρ 3.6 W.V.ρ 3.6 W.D.V. 3.6 D.V.ρ 3.6 W.D.V.ρ 3.6 W.V.ρ ANSWER DOWNLOAD EXAMIANS APP