Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ 1/ ΔP ∝ ΔP Independent of ΔP ∝ √ΔP ∝ 1/ ΔP ∝ ΔP Independent of ΔP ∝ √ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) √LS 93 LS 250 LS LS √LS 93 LS 250 LS LS ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sparkler filter Precoat filter Sharpies supercentrifuge Disc-bowl centrifuge Sparkler filter Precoat filter Sharpies supercentrifuge Disc-bowl centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Asbestos Diatomaceous earth Rice husk Purified wood cellulose Asbestos Diatomaceous earth Rice husk Purified wood cellulose ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Viscosity of the liquid Cube of impeller diameters Density of the liquid Square of rotational speed Viscosity of the liquid Cube of impeller diameters Density of the liquid Square of rotational speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is halved Linear speed of the basket is doubled Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is halved Linear speed of the basket is doubled ANSWER DOWNLOAD EXAMIANS APP