Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Weber Brinkman Peclet Schmidt Weber Brinkman Peclet Schmidt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Square of the viscosity Filtration time only Washing time only Square root of the velocity Square of the viscosity Filtration time only Washing time only Square root of the velocity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.007 0.3 50 0.014 0.007 0.3 50 0.014 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Modifier Frother Collector Activator Modifier Frother Collector Activator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Apron conveyor Chain conveyor Flight conveyor Belt conveyor Apron conveyor Chain conveyor Flight conveyor Belt conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The controlling resistance in a rotary drum vacuum filter is the __________ resistance. Filter medium Piping None of these Cake Filter medium Piping None of these Cake ANSWER DOWNLOAD EXAMIANS APP