Q. In case of design of a shell and tube heat exchanger,

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Q. In a cylinderical vessel subjected to internal pressure, the longitudinal stress σʟ and the circumferential stress, σₙ are related by

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Q. Nominal size of a pipe is an indication of its __________ diameter.

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Q. Excessive liquid gradient on a tray may result in the

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Q. The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

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Q. What is the slope of the operating line in the stripping section of a distillation column ?

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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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