Mechanical Operations Which of the following is not an ultrafine grinder (colloid mill)? Toothed roll crusher Agitated mills and fluid energy mills Micronizers Hammer mills with internal classification Toothed roll crusher Agitated mills and fluid energy mills Micronizers Hammer mills with internal classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Pressure drop alone Flow rate alone Cake thickness Both pressure drop and flow rate Pressure drop alone Flow rate alone Cake thickness Both pressure drop and flow rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter medium resistance is important during the __________ of filtration. Entire process Final stages None of these Early stages Entire process Final stages None of these Early stages ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixer used for rubber compounding is Pug mill Muller mixer Mixer-extruder Banbury internal mixer Pug mill Muller mixer Mixer-extruder Banbury internal mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Pressure filter Vacuum filter Centrifugal filter Coagulant Pressure filter Vacuum filter Centrifugal filter Coagulant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ANSWER DOWNLOAD EXAMIANS APP
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