The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.
Select an option to see the answer and solution.
Chemical Engineering · all questionsProcess Equipment And Plant Design
Process Equipment And Plant Design
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
385
Questions
5/20
Page
Pick an option on a question to see the right answer and solution.
Overall distillation column efficiency for most of the refinery columns can be given by (for = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi)
Select an option to see the answer and solution.
The absorption factor is defined as (where, S1 = slope of the equilibrium curve, S2 = slope of the operating line)
Select an option to see the answer and solution.
A cylindrical storage tank can have a self supported conical roof,
Select an option to see the answer and solution.
A stuffing box is used for
Select an option to see the answer and solution.
The force due to wind load acting on a tall vessel depends upon its
Select an option to see the answer and solution.
Maximum acceptable total liquid gradient over a tray is about __________ mm.
Select an option to see the answer and solution.
Scale up problem in design based on the similarity concept takes into account __________ similarity.
Select an option to see the answer and solution.
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.
Select an option to see the answer and solution.
The buckling tendency of compression members is always in the direction of the
Select an option to see the answer and solution.
Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, = yield strength and E = modulus of elasticity)
Select an option to see the answer and solution.
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)
Select an option to see the answer and solution.
In the design of a shell and tube heat exchanger, the corrosion allowance
Select an option to see the answer and solution.
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.
Select an option to see the answer and solution.
In a vertical short tube evaporator (Calendria type), the
Select an option to see the answer and solution.
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a
Select an option to see the answer and solution.
Rivets are generally specified by the
Select an option to see the answer and solution.
When one of the fluids is highly corrosive and has fouling tendency, it should
Select an option to see the answer and solution.
Floating head heat exchangers are used for the
Select an option to see the answer and solution.
Q100
Open questionNormally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is
Select an option to see the answer and solution.