Process Equipment and Plant Design With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT Decreases very rapidly Increases very rapidly Increases linearly Remains constant Decreases very rapidly Increases very rapidly Increases linearly Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube. 1.25 3.5 2.5 1.75 1.25 3.5 2.5 1.75 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Diameter of rivet hole (d, mm) and the plate thickness (t, mm) are related by Unwin's formula as D = 3√t D = 1.6 √t D = 1.5 t D = 1.1 t D = 3√t D = 1.6 √t D = 1.5 t D = 1.1 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid Is highly viscous Containing suspended solids flows at low velocity Is of high specific gravity Containing suspended solids flows at high velocity Is highly viscous Containing suspended solids flows at low velocity Is of high specific gravity Containing suspended solids flows at high velocity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer). 650 750 250 450 650 750 250 450 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Wind load consideration in the design of a support can be neglected, when the vessel is Short (< 2 m) and housed indoor Tall but empty None of these Tall (say 30 metres), but is full of liquid Short (< 2 m) and housed indoor Tall but empty None of these Tall (say 30 metres), but is full of liquid ANSWER DOWNLOAD EXAMIANS APP
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