Process Equipment and Plant Design Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor. 43961 30-35 35-40 15-20 43961 30-35 35-40 15-20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The clearance between two tubes in a shell and tube heat exchanger is known as 'ligament', whose minimum value is __________ the outside diameter of the tube, but in no case it should be less than 4.5 mm. One fourth Three fourth Half Equal to One fourth Three fourth Half Equal to 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 = 1.5 t D = 1.6 √t D = 1.1 t D = 3√t D = 1.5 t D = 1.6 √t D = 1.1 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In the case of a shell and tube heat exchanger, the logarithmic mean temperature difference May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic average value Is always less than arithmetic mean value, but more than geometric mean value May be either more or less than geometric mean and arithmetic mean value depending upon whether the flow of stream is co-current or counter-current Is always more than arithmetic mean value and the geometric mean value Is always less than arithmetic average value Is always less than arithmetic mean value, but more than geometric mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The LMTD correction factor (FT) is defined as the Geometric mean of the true temperature difference and the LMTD Differenced of true temperature difference and the LMTD Ratio of true temperature difference to the LMTD Ratio of LMTD to the true temperature difference Geometric mean of the true temperature difference and the LMTD Differenced of true temperature difference and the LMTD Ratio of true temperature difference to the LMTD Ratio of LMTD to the true temperature difference ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure? Smaller dia vessel Larger dia long vessel Strength of the vessel is same irrespective of the diameter Larger dia vessel Smaller dia vessel Larger dia long vessel Strength of the vessel is same irrespective of the diameter Larger dia vessel ANSWER DOWNLOAD EXAMIANS APP
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