Process Equipment and Plant Design MCQs

382 questionsChemical-EngineeringPage 20 of 43

Practice free Process Equipment and Plant Design multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 382 questions — no login required.

Question 172easy
Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.
Question 173easy
In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around
Question 174easy
In the design of a bag filter, the gas temperature is an important consideration, as it affects the
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Question 175easy
Length to diameter ratio of most rotary driers is in the range of
Question 176easy
For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by (where, Q = fluid flow rate, ft3/sec.ρ = fluid density, lb/ft3.μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches)
Question 177easy
Correct use of 'factor of safety' is very important in equipment design. It is defined as the ratio of the
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Question 178easy
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
Question 179easy
In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds.
Question 180easy
The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.