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 Cams or eccentric shafts Either A, B or C Unblanced fly wheels Electromagnets Cams or eccentric shafts Either A, B or C Unblanced fly wheels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. Terminal velocities in the same fluid & in the same field of force Size Specific gravity None of these Terminal velocities in the same fluid & in the same field of force Size Specific gravity None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Remains unchanged Decreases Increases Decreases exponentially Remains unchanged Decreases Increases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixer used for rubber compounding is Pug mill Banbury internal mixer Muller mixer Mixer-extruder Pug mill Banbury internal mixer Muller mixer Mixer-extruder ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Employs smaller balls Gives finer size reduction but consumes more power Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Free flowing Sticky (e.g. clay paste) Fine (e.g. - 200 mesh size coal) Small lumpy (e.g. grains and sand) Free flowing Sticky (e.g. clay paste) Fine (e.g. - 200 mesh size coal) Small lumpy (e.g. grains and sand) ANSWER DOWNLOAD EXAMIANS APP
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