Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) 1/μ 1/R S All of these 1/μ 1/R S All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumption in a crusher decreases with increase in the Size of the product (at constant feed size) Capacity of the crushing machine All of these Size of feed (at constant reduction ratio) Size of the product (at constant feed size) Capacity of the crushing machine All of these Size of feed (at constant reduction ratio) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Thickening Clarification Classification Froth floatation Thickening Clarification Classification Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W. ρ 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W. ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Employ bowl of larger diameter Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a vacuum filter? Tank filter (Nutsch filter) Batch basket centrifuge Filter press Rotary disc filter Tank filter (Nutsch filter) Batch basket centrifuge Filter press Rotary disc filter ANSWER DOWNLOAD EXAMIANS APP
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