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: 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: Belt conveyors cannot be used in the inclined position. Statement 2: Screw conveyors can carry more amount of load compared to belt conveyors.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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: 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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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Statement 1: Flat blade/curve blade/arrow head/vaned disc turbines are generally used for gas-liquid mixing. Statement 2: Helical screw/ribbon mixer/gate anchor are generally used for solid-solid mixing.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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: 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: 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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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: 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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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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Statement 1: Froude number relates the gravitational effect which is important when the liquid is agitated by an impeller. Statement 2: When NRe,i < 300, NFr is ineffective.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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Statement 1: Root mean square is denoted by σ2 Statement 2: σ2 will show the variation of a composition obtained after mixing. Hence the lesser it is, the more efficient is the mixing.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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 _____

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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Statement 1: A hammer mill uses an impact to break particles. Statement 2: A chakki uses compression to break particles.

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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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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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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Statement 1: Tubular bowl centrifuges can handle slurries. Statement 2: Tubular bowl centrifuges can be used for 3 phase separation.

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Statement 1: Dispersion of one immiscible liquid into another also involves size reduction. Statement 2: Leaching requires size reduction.

asked Jan 30, 2022 in Food Engineering by Amelia (93.7k points)

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