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 = 1.6 √t D = 1.1 t D = 3√t D = 1.5 t D = 1.6 √t D = 1.1 t D = 3√t D = 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Hole diameter of the seive trays in the distillation column ranges from __________ mm. 12.5 to 18.5 3 to 12.5 L to 3 4 to 8 12.5 to 18.5 3 to 12.5 L to 3 4 to 8 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 ∞ 2 1 20.8 ∞ 2 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Optimum economic pipe diameter for fluid flow is determined by the Viscosity of the fluid None of these Density of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) Viscosity of the fluid None of these Density of the fluid Total cost considerations (pumping cost plus fixed cost of the pipe) ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle? Segmental baffle Helical type baffle Disk type baffle Flat plate extending across the wall Segmental baffle Helical type baffle Disk type baffle Flat plate extending across the wall ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by σh = σL/2 σh = σL σh = 2 σL No relation exists σh = σL/2 σh = σL σh = 2 σL No relation exists ANSWER DOWNLOAD EXAMIANS APP
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