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 N¹ N° N² N³ N¹ N° N² N³ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.68 0.5 0.58 0.62 0.68 0.5 0.58 0.62 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Electromagnets Either A, B or C Cams or eccentric shafts Unblanced fly wheels Electromagnets Either A, B or C Cams or eccentric shafts Unblanced fly wheels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases linearly Is not affected Decreases Increases Increases linearly Is not affected Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid. Surface tension Density Thermal conductivity Viscosity Surface tension Density Thermal conductivity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.5 0.6 0.9 0.78 0.5 0.6 0.9 0.78 ANSWER DOWNLOAD EXAMIANS APP
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