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. Three fourth One fourth Half Equal to Three fourth One fourth Half Equal to ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Heat transfer between corrosive fluids Counter-current heat transfer systems Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Heat transfer between corrosive fluids Counter-current heat transfer systems 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 No relation exists σh = σL/2 σh = 2 σL σh = σL No relation exists σh = σL/2 σh = 2 σL σh = σL ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Flanges are connected to pipes by Brazing Screwing All of these Welding Brazing Screwing All of these Welding ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Longitundinal stress induced in a thin walled cylindrical storage vessel is PD/6t PD/2t PD/3t PD/4t PD/6t PD/2t PD/3t PD/4t ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For laminar flow (NRe < 2100) in steel pipe, the optimum inside pipe diameter is given by Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 ρ0.18 Di, opt = 7.6 Q0.36 . ρ0.9 Di, opt = 3 Q0.36 . ρ1.86 μ0.08 Di, opt = 3.9 Q0.45 . ρ0.23 Di, opt = 3 Q0.36 ρ0.18 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS