Process Equipment and Plant Design In hydrostatic testing of welded pipe (for leakage, strength etc.) the ratio of minimum hydrostatic test pressure to internal design pressure is around 3.5 0.5 2.5 1.5 3.5 0.5 2.5 1.5 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 Liquid gradient over the tray results due to the Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large plate spacing Large reflux ratio Resistance offered to flow of liquids by caps & risers and the flow of gas Low gas velocity Large plate spacing Large reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms. 7.5 2.5 15 20 7.5 2.5 15 20 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always Both B & C More than arithmetic mean value More than geometric mean value Less than arithmetic mean value Both B & C More than arithmetic mean value More than geometric mean value Less than arithmetic mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Maximum acceptable total liquid gradient over a tray is about __________ mm. 30.5 12.5 45.5 5.5 30.5 12.5 45.5 5.5 ANSWER DOWNLOAD EXAMIANS APP
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