Q. In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

View solution

Q. Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support.

View solution

Q. Pressure drop per tray in the atmospheric distillation column is about __________ psi.

View solution

Q. Welded joint efficiency in the design of chemical process equipment is taken as

View solution

Q. For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser.

View solution

Q. Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as

View solution

Q. A binary liquid azeotropic mixture has boiling point lower than either of the components, when it shows __________ deviation from Raoult's Law.

View solution

Q. In which of the following evaporators, steam is fed inside the tube while the liquor is outside the tube ?

View solution

Q. A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

View solution

Q. The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)

View solution

Q. Baffle width is normally taken as __________ times the tank diameter.

View solution

Q. A cylinderical pressure vessel of volume 6 πm³ has to be designed to withstand a maximum internal pressure of 10 atm. The allowable design stress of the material is 125N/mm² and corrosion allowance is 2 mm. The thickness of the vessel for a length/diameter ratio of 3 will be close to

View solution

Q. Which of the following packing materials provides for maximum mass transfer ?

View solution

Q. Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

View solution

Q. Larger depth of liquid on the trays of a distillation column

View solution

Q. Pick out the wrong statement.

View solution

Q. Pick out the wrong statement.

View solution

Q. In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds.

View solution

Q. In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for

View solution

Q. For turbine agitator, the impeller diameter is about

View solution