What is the flow rate of materials in a bucket conveyor dependent on?

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In the specifications of a screw conveyor, the shaft length is shorter than the flight length.

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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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Statement 1: Chain drive rollers move faster than belt driven rollers. Statement 2: Screw conveyors are used in the feeding of raw materials like wheat or chilly into the grinding unit to make a powder out of it.

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Statement 1: For non-Newtonian fluids, another term called apparent viscosity is used as their viscosity changes with the change in the shear rate. Statement 2: For non-Newtonian fluids, between the transition region, the power number for non-Newtonian fluids is slightly higher than that for Newtonian fluids.

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Statement 1: It is generally not possible to change the direction of flow with belt conveyors. Statement 2: If belt conveyors are to be used in the bent position, slat belts are used.

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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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Rate of mixing at any time is given by the extent of mixing at that particular time.

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Which of the following does the terminal velocity of a particle NOT depend on?

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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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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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Statement 1: Grinding laws are based on the energy required for the creation of new surface area. Statement 2: In general, all the laws are based on the principle that the energy required per unit area of the surface is directly proportional to the size of the particle.

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Statement 1: The radius of neutral zone depends on the radius of the centrifuge. Statement 2: More is the radius, lesser is the zone of centrifuge.

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Which of the following is NOT a mixing involved with fluids in the food industry?

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

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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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Statement 1: Which mixture is used when one of the components is very less in quantity? Statement 2: This mixer is used to mix items in savory or a snack item.

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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: 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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The area of neutral zone, in a centrifuge is __________

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Statement 1: In a dairy industry, it is desired to obtain the cream from milk using a centrifuge. Which will stay in the center? Statement 2: It is desired to have __________ for the above process.

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In the centrifuge, heavier particles will have a larger radius.

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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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Which of the following is NOT a reason to affect the effectiveness of a screen?

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Mixing Index is a ratio of the standard deviation of various products during mixing to that at zero mixing.

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