Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Light metal powder down upto 4 meshsize Powdered food & granular materials Heavy tonnages of rocks or gravel Dry chemicals Light metal powder down upto 4 meshsize Powdered food & granular materials Heavy tonnages of rocks or gravel Dry chemicals ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is None of these 0.1 0.6 0.4 None of these 0.1 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Weber number is significant and is concerned with the Liquid-liquid mixing Solid-liquid mixing Suspension of solid in liquid Dispersion of liquid in liquid Liquid-liquid mixing Solid-liquid mixing Suspension of solid in liquid Dispersion of liquid in liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In the cyclone separator used for separation of dust from dust laden gas, the gas Both B and C Is admitted tangentially at high velocity Develops a helical motion inside the chamber Enters the cyclone from the top Both B and C Is admitted tangentially at high velocity Develops a helical motion inside the chamber Enters the cyclone from the top ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Product has lesser size uniformity Operation is economical Specific surface of product is more Production rate at a given limiting size is lower Product has lesser size uniformity Operation is economical Specific surface of product is more Production rate at a given limiting size is lower ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing highly viscous pastes Blending immiscible liquids Mixing liquids at very high temperature (> 250 °C) None of these Mixing highly viscous pastes Blending immiscible liquids Mixing liquids at very high temperature (> 250 °C) None of these ANSWER DOWNLOAD EXAMIANS APP
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