Q. __________ shaped roof is most commonly used for cylindrical tanks.

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Q. In a thin cylindrical shell, the hoop stress is __________ stress.

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Q. Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

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Q. Pick out the correct statement.

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Q. "A claming section" before the liquid flows into the downcomer is privided to

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Q. The units of Young's modulus of elasticity and __________ are the same.

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Q. In the design of a shell and tube heat exchanger, the corrosion allowance

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Q. Vertical condenser is advantageous to the horizontal condenser from operation point of view, when

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Q. In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aₐ = Annular passage area, and Sₐ = Slot area)

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Q. Heat transfer co-efficient, hԍ(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hԍ = 0.0176G^0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

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Q. In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

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Q. Apex angle of conical heads used in the bottom heads of chemical process equipments is usually

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Q. A 'rupture disc' is provided in chemical equipments as an accessory meant for

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Q. In a vertical short tube evaporator (Calendria type), the

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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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