Q. In a multipass shell and tube heat exchanger, the problem of differential expansion between the shell and tube passes is taken care of by using a

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Q. In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

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Q. Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of

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Q. The thermal stress in a metallic bar does not depend upon the

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Q. The minimum baffle height should be

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Q. To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to

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Q. The normal range of velocity of water in pipes is __________ m/sec.

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Q. Value of Peclet number = 0, is the representative of

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Q. Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as

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Q. Removable connection of tubes to tube sheet is called

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Q. Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

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Q. In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

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Q. The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

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Q. Lₑ/D for couplings and unions would be

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Q. What is the slope of the operating line in the rectifying section of a distillation coloumn ?

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Q. Stage efficiency for packed tower varies with the

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Q. Maximum plate efficiency is achieved in case of __________ flow.

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Q. The LMTD correction factor (Fт) is defined as the

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Q. The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm.

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Q. The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is

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