Process Equipment and Plant Design Generally, elliptical dished heads All of these Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D All of these Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for pressure vessels operating above a pressure of 1.5 MN/m² Resist half the pressure rating compared to hemi spherical head provided on the cylindrical shell of the same thickness and diameter Are approximately as strong as seamless cylindrical shell having the corresponding I.D and O.D ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be __________ times. About 9 About 3 Considerably less than 9 Considerably more than 9 About 9 About 3 Considerably less than 9 Considerably more than 9 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the 'tube pitch' is defined as the Shortest centre to centre distance between adjacent tubes Shortest distance between two adj acent tube holes O.D. of the tube for square pitch None of these Shortest centre to centre distance between adjacent tubes Shortest distance between two adj acent tube holes O.D. of the tube for square pitch None of these ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Le/D for a Tee (used as elbow, entering branch) would be More than that for Tee (used as elbow, entering run) Less than that for Tee (used as elbow, entering run) Around 90 Both B and C More than that for Tee (used as elbow, entering run) Less than that for Tee (used as elbow, entering run) Around 90 Both B and C ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Neither A nor B Economic limit reached, when the plant cost exceeds the saving of steam Practical limit reached, due to low heat transfer rate because of inadequate temperature difference Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the None of these Lowest surface area requirement for a given volume Both A & B Higher structural strength None of these Lowest surface area requirement for a given volume Both A & B Higher structural strength ANSWER DOWNLOAD EXAMIANS APP
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