Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Weber Brinkman Schmidt Peclet Weber Brinkman Schmidt Peclet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Paddle agitator None of these Produces axial flow Moves at very high speed Is suitable for mixing low viscosity liquids None of these Produces axial flow Moves at very high speed Is suitable for mixing low viscosity liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultra centrifuges are used for the separation of __________ solid particles. Coarse Dissolved Colloidal Fine Coarse Dissolved Colloidal Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Gyratory crusher Hammer crusher Roll crusher Ball mill Gyratory crusher Hammer crusher Roll crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products All of these Wet grinding achieves a finer product size than dry grinding Grinding cost and power requirement increases with increasing fineness of the products Its capacity decreases with increasing fineness of the products All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At time zero At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At the end of filtration At time zero At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At the end of filtration ANSWER DOWNLOAD EXAMIANS APP
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