Q. Lug support is

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Q. Pick out the wrong statement pertaining to the use of valve tray, seive tray and bubble cap trays in continuous distillation column.

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Q. With increase in the number of shell passes, the value of Fᴛ

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Q. Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter.

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Q. __________ tray arrangement is recommended for distillation column having diameter upto 4 ft.

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Q. What is the value of 'q' for saturated liquid feed to a distillation column ?

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Q. In perforated plate towers, the

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Q. The main purpose of providing stepping on the trays is to

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Q. The operating pressure drop range in a bag filter is about __________ mm water gauge.

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Q. In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

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Q. The stress developed in a material without any permanent set is called the

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Q. In a shell and tube heat exchanger, the 'tube pitch' is defined as the

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Q. Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method ?

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Q. Pick out the wrong statement pertaining to the design of the bubble cap tray of a distillation column to give stable operation and even vapour distribution.

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Q. Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

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Q. A stuffing box is used for

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Q. Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

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Q. Pick out the wrong statement.

In an agitated vertical cylinderical reaction vessel, the

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Q. The value of fouling factor depends upon the

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Q. In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms.

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