Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Cylinder (L/D = 1) Cube Raschig rings Sphere Cylinder (L/D = 1) Cube Raschig rings Sphere ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is None of these Jigging & tabling Froth floatation Flocculation None of these Jigging & tabling Froth floatation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the preliminary breaking of hard rock, we use a Tube mill Ball mill Gyratory crusher Squirrel-cage disintegrator Tube mill Ball mill Gyratory crusher Squirrel-cage disintegrator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To get ultrafine particles, the equipment used is a Rod mill Ball mill Hammer crusher Fluid energy mill Rod mill Ball mill Hammer crusher Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 12 20 8 2 12 20 8 2 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 0.4 None of these 0.6 0.1 0.4 None of these 0.6 0.1 ANSWER DOWNLOAD EXAMIANS APP