Q. Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure ?

View solution

Q. Reflux ratio variation in a distillation column is between

View solution

Q. In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.

View solution

Q. Which of the following lengths of heat exchanger tubes are normally not used in practice ?

View solution

Q. A pipe is generally made of circular cross-section, because a circular cross-section has the

View solution

Q. In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hᵢ) vanishes after a Reynold number of

View solution

Q. In inclined long tube vertical evaporators, the tubes are inclined at an angle of

View solution

Q. In a continuous distillation column, the optimum reflux ratio ranges from __________ times the minimum reflux ratio.

View solution

Q. The wall thickness for a large high pressure pipeline is determined by the consideration of the

View solution

Q. In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference

View solution

Q. Skirt support is the most suitable for supporting __________ vessels.

View solution

Q. The minimum plate spacing in most of the pertroleum refinery distillation columns (of dia > 3 ft) is normally __________ inches.

View solution

Q. Joint efficiency (J) for a seamless pipe is

View solution

Q. For a given design of bubble cap, the number of bubble caps to be used per tray is set by the

View solution

Q. The shell side pressure drop in a shell and tube heat exchanger is maximum for __________ baffle.

View solution

Q. The function of manholes provided in the shell of a distillation column is to

View solution

Q. A cylindrical storage tank can have a self supported conical roof,

View solution

Q. For high pressure process equipments/vessels, the connected nozzle should be

View solution

Q. Smoker's equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the

View solution

Q. Column support for the roof of cylindrical storage tank must be provided for

View solution