Mechanical Operations Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. Ribbon Flight Screw Slat or drag Ribbon Flight Screw Slat or drag ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To produce talcum powder, use Ball mill Hammer mill Jet mill Pin mill Ball mill Hammer mill Jet mill Pin mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Gives finer size reduction but consumes more power Employs smaller balls Has larger length/diameter ratio (>2 as compared to 1 for ball mill) All of these Gives finer size reduction but consumes more power Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Cyclone separator Gravity settling chamber Venturi atomiser Electro-static precipitator Cyclone separator Gravity settling chamber Venturi atomiser Electro-static precipitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) AD/V π/6(=V/D³) None of these π(=A/D²) AD/V π/6(=V/D³) None of these π(=A/D²) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 1 μm/s 0.90 μm/s 0.02 μm/s 22.1 μm/s 1 μm/s 0.90 μm/s 0.02 μm/s 22.1 μm/s ANSWER DOWNLOAD EXAMIANS APP
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