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 = 1.1 t D = 1.6 √t D = 3√t D = 1.5 t D = 1.1 t D = 1.6 √t D = 3√t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to 20.8 1 ∞ 2 20.8 1 ∞ 2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Bracket supports are the most suitable for supporting __________ vessels. Thick walled vertical None of these Thin shperical (e.g. Horton sphere) Horizontal Thick walled vertical None of these Thin shperical (e.g. Horton sphere) Horizontal ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The wall thickness of thin cylindrical shell with hemispherical ends is __________ that of the spherical ends. More than Less than Either B or C; depends on maximum permissible internal pressure Equal to More than Less than Either B or C; depends on maximum permissible internal pressure Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter None of these Remain unaffected Increases Decreases None of these Remain unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as 'd' will be √d D √(2πd) √(2d) √d D √(2πd) √(2d) ANSWER DOWNLOAD EXAMIANS APP