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 Electromagnets Either A, B or C Unblanced fly wheels Cams or eccentric shafts Electromagnets Either A, B or C Unblanced fly wheels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.78 0.6 0.5 0.9 0.78 0.6 0.5 0.9 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N³ N² N° N¹ N³ N² N° N¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 0.2 to 0.8 100 to 250 5 to 25 50 to 100 0.2 to 0.8 100 to 250 5 to 25 50 to 100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? Sand None of these High V.M. bituminous coal Coke breeze Sand None of these High V.M. bituminous coal Coke breeze ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Either A or B Neither A nor B Volume Weight Either A or B Neither A nor B Volume Weight ANSWER DOWNLOAD EXAMIANS APP
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