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). Brinkman Peclet Weber Schmidt Brinkman Peclet Weber Schmidt 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 0.014 50 0.007 0.3 0.014 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 74 mili-microns 0.0047 cm 0.0074 mm 0.0074 cm 74 mili-microns 0.0047 cm 0.0074 mm 0.0074 cm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.5-2 0.33-0.45 1.33-1.45 1.5-2.5 0.5-2 0.33-0.45 1.33-1.45 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Panning None of these Tabling Spiralling Panning None of these Tabling Spiralling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Heavy loads & short runs None of these Small loads & long runs Heavy loads & long runs Heavy loads & short runs None of these Small loads & long runs Heavy loads & long runs ANSWER DOWNLOAD EXAMIANS APP