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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Q. The number and size of silo tanks depend on which of the following?
I) Milk intake per day

II) Number of days per working week

III) Number of hours per working week

IV) Types of product manufactured

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