Q. Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be

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Q. Friction factor for turbulent flow in a new pipe is given by

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Q. In a shell and tube heat exchanger having triangular pitch, the shell side equivalent diameter is given by

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Q. Pick out the wrong statement.

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Q. In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

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Q. Souders Brown equation given by the following equation, is used for the calculation of the __________ in a continuous distillation column.

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Q. Lₑ/D for fully open globe value may be around

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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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