Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 20 2 12 8 20 2 12 8 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Pneumatic conveyor Bucket elevator Both B & C Apron conveyor Pneumatic conveyor Bucket elevator Both B & C Apron conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Diatomaceous earth Fuller's earth Semi-plastic clay Vermiculite Diatomaceous earth Fuller's earth Semi-plastic clay Vermiculite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Filter medium resistance decreases All the resistances are constant Filter medium resistance increases Cake resistance decreases Filter medium resistance decreases All the resistances are constant Filter medium resistance increases Cake resistance decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shell and leaf filter as compared to plate and frame filter Entails less labor cost Facilitates filtration under higher pressure Provides more effective washing All of these Entails less labor cost Facilitates filtration under higher pressure Provides more effective washing All of these 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 . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ANSWER DOWNLOAD EXAMIANS APP
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