Q. Hold up of material in a operating rotary drier is in the range of

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Pick out the correct statement.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution