Mechanical Operations The energy consumed by a ball mill depends on Its speed All of these The density of the material being ground Its ball load Its speed All of these The density of the material being ground Its ball load ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 10 to 15 15 to 20 8 to 10 3 to 4 10 to 15 15 to 20 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Neither A nor B Finer products Enhanced production rate Both A & B Neither A nor B Finer products Enhanced production rate Both A & B ANSWER DOWNLOAD EXAMIANS APP
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). Schmidt Brinkman Weber Peclet Schmidt Brinkman Weber Peclet 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? 1 0.5 0.66 2.76 1 0.5 0.66 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not an industrial screening equipment? Grizzly Vibrating screen Trommel Sharpies centrifuge Grizzly Vibrating screen Trommel Sharpies centrifuge ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS