Sedimentation and centrifugation involve two miscible phases.

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The experimental details of the batch sedimentation experiment are comprehended by plotting which of the following two?

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In sedimentation, l – clear liquid zone, t- thick suspension zone, s- solid zone. With concentration of solids as the y-axis and the time as the x-axis, which curve does the following represent?

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With respect to Sedimentation, the boundary between the thick suspension and solids will be decreasing and that between the clear liquid and the thick suspension will be increasing with the passage of time.

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Statement 1: In both, centrifuge and sedimentation, the terminal velocity of the particle is reached after a certain time. Statement 2: The formula used for finding out the velocity is the same for both the processes.

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In sedimentation, l – clear liquid zone, t- thick suspension zone, s- solid zone. Which of the following curve with height of the interface as the y-axis and the time as the x-axis represent the s-t interface?

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The compression zone in batch sedimentation is considered the overflow.

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Which of the following is an application of sedimentation in the food industry?

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Statement 1: The g-number is the ratio of the velocity in a centrifuge to that of the velocity in sedimentation. Statement 2: The g-number is represented as Z.

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Statement 1: Effectiveness of mixing in kneaders depends on the blade design. Statement 2: Kneaders have a high clearance between the two oppositely rotating blades and the vessel.

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Statement 1: As mesh size increases, the aperture size decreases. Statement 2: In British standards, the ratio of the aperture size of two consecutive screens is a ratio of 1.412.

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Gyratory screens are used when it is a continuous operation to be handled and the amount of material to be handled is very high.

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In differential screen analysis, for calculating the particle size of the food particles on any one sieve, the average food particle size on that sieve is the mean of the screen opening of that sieve and the sieve below it.

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Fork-lift trolleys are a combination of chain hoists and interlock transfer cranes.

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The overall effectiveness of sieve equipment is the _____ of the effectiveness of the underflow and the overflow separately.

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Which of the following does NOT include the application of material handling and transportation in food processing?

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In food industry, the animal processing sector requires mechanical transportation to minimize human intervention and to maintain hygiene.

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Statement 1: Cranes and hoists have an incline up and down option. Statement 2: Trucks can be used for continuous operations.

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Statement 1: Belt and screw conveyors are in all processing units to transport the final packed cartons. Statement 2: The feeding in most processing units is done by screw feeders or mechanical/oscillatory feeders.

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Statement 1: Bucket conveyors can be divided into close and spaced bucket conveyors. Statement 2: Bucket conveyors can be divided into centrifugal and positive discharge bucket conveyors.

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The force used for mixing by mixing equipment for pastes and dough is _____

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Statement 1: Where Pg is power for a gassed system and Po is power for an ungassed system, Pg/Po is _____ Statement 2: Na stands for _____

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Statement 1: Kneaders are specially used for pastry/viscous liquids in the food industry. Statement 2: Kneaders are used for mixing dough with fats and making them homogeneous mixtures.

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Statement 1: For calculating the minimum thickener area, the angle bisector method is used. Statement 2: In the angle bisector method, the point obtained the curve and the corresponding time is the time when the solids enter the compression zone.

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Statement 1: In the transient zone, the power input depends on the density and viscosity of the fluid. Statement 2: In the laminar zone, the power input depends on the density only. It is independent of the viscosity of the fluid.

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The clearance between the impeller and the vessel in a mixer is usually kept _____

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