Q. Which material is used for pipes which are in contact with milk or product?

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Q. Which material is used for pipes which conduct water and air?

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Q. Which material is used for pipes which conduct waste?

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Q. Which grade of stainless steel is known as acid proof steel?

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Q. Which of the following are installed in order to collect product samples hygienically for quality analysis?

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Q. Which among the following is not a permanent wielding connection?

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Q. What are the reasons causing pressure drop in hydraulic systems?
i. Long length of pipe

ii. Friction

iii. Type of fluid

iv. Losses in valves and bends

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Q. Calculate area of a pipe if, flow rate is 20 l/min and flow velocity is 5 cm/s.

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Q. Which formula is used to calculate head loss in valves?

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Q. Which among the following is shut-off and change over valve?

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Q. To prevent the product flow in the wrong direction which of the following valve is used?

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Q. Which of the following valves is used to maintain pressure in the system?

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Q. The pipes will expand considerably when the product temperatures are high and during cleaning.

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Q. Valves with constant outlet pressure are used after which of the following machines?

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Q. The maximum size of silo used in dairy is?

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Q. The minimum size of silo used in dairy is?

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Q. Main category of silos is?

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Q. Tank used for “collection and reception of milk” is called ______

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Q. Storage tank inner shell is made of which of the following material?

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Q. Storage tank are double shelled.

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