Q. 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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Q. With respect to the Tyler series, which of the following is true?

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

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Q. Stationary screens can be used for wet particles.

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

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Q. Which of the following application is a belt conveyor used for?

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Q. 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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Q. Slat belts are made up of_____

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Q. 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.

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

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Q. 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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Q. Pneumatic conveying is done under which of the mentioned conditions?

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

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Q. 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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Q. Which of the following is NOT an advantage of mechanical transportation?

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

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

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Q. 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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