Process Equipment & Plant Design Mcqs for Chemical


Q.  Rotary driers are most economically designed for the number of heat transfer units (HTU) from _________________?

a. 0.01 to 1
b. 1.5 to 2.5
c. 5 to 10
d. 10 to 20


ANSWER: See Answer
 
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MCQs:  Joint efficiency (J) for a seamless pipe is_______________?
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MCQs:  In a distillation column, minimum clearance to be maintained between the overflow weir and the last row of the bubble caps is ______________ cms?
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MCQs:  The minimum tray spacing in distillation column of diameter less than 3 ft is normally _____________ inches?
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MCQs:  The practical representative values of HETP for a number of commercial operations lies within a range of ______________ metre?
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MCQs:  For a given design of bubble cap, the number of bubble caps to be used per tray is set by the _________________?
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MCQs:  A pipe is generally made of circular cross-section, because a circular cross-section has the____________________?
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MCQs:  In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference ______________________?
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MCQs:  Maximum size of the raschig rings used in a packed tower is about _______________ of the column diameter?
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MCQs:  Width and depth of grooves in the tube sheet holes normally are _______________ inch respectively?
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MCQs:  The shell side pressure drop in a shell and tube heat exchanger is maximum for _______________ baffle?
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MCQs:  Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as ā€˜dā€™ will be__________________?
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MCQs:  Friction factor for turbulent flow in a new pipe is given by____________________?
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MCQs:  To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of_________________?
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MCQs:  Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger________________?
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MCQs:  Smaller sized packings are generally dumped to the packed columns, and the large ones of size greater than ______________ mm are stacked individually, which provides better control over bed porosity and offers lower gas pressure drop?
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MCQs:  The ends of a cylindrical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure ?
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MCQs:  A stuffing box is used for____________________?
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MCQs:  The ratio of shear stress to shear strain is called ____________________?
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MCQs:  In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of ________________ mm?
Category: Chemical Engineering Mcqs,   Published by: teswesm