Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is >1 2 1 >1 2 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ ΔP Independent of ΔP ∝ 1/ ΔP ∝ √ΔP ∝ ΔP Independent of ΔP ∝ 1/ ΔP ∝ √ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ D N ∝ 1/D N ∝ 1/√D N ∝ √D N ∝ D N ∝ 1/D N ∝ 1/√D N ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. Same as 10 times 5 times 2.5 times Same as 10 times 5 times 2.5 times ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 40° 16° 46° 32° 40° 16° 46° 32° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy consumed by a ball mill depends on The density of the material being ground All of these Its ball load Its speed The density of the material being ground All of these Its ball load Its speed ANSWER DOWNLOAD EXAMIANS APP
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