38601. A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the
38602. Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the
38603. Which of the following is used to set the diameter of the distillation column ?
38604. Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method
38605. The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the
38606. In a shell and tube heat exchanger, tube side __________ of the mass velocity.
38607. Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation?
38608. Saddle supports are used for supporting __________ vessels.
38609. The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.
38610. In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.
38611. Optimum reflux ratio in a continuous distillation column is determined by the
38612. Cooling water fouling factors vary in the range of 0.001 to 0.003
38613. Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter )
38614. The maximum liquid gradient over a tray must not exceed
38615. An underdesigned steam trap will
38616. The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)
38617. Speed of industrial paddle agitator ranges from __________ rpm.
38618. __________ strain is measured using a 'strain rosetter'.
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