Process Equipment and Plant Design In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter. 1.25-1.50 times Less than One-fourth of 2.5 times 1.25-1.50 times Less than One-fourth of 2.5 times ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In actual operation of a bubble cap distillation tower, the __________ at the bottom of the tower is more than that at the top of the tower. Pressure and temperature All of these Vapour molecular weight Molal flow rate of vapour Pressure and temperature All of these Vapour molecular weight Molal flow rate of vapour ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design For identical operating conditions, the pressure drop over __________ tray is the highest out of the following. Valve Sieve Bubble cap Counterflow Valve Sieve Bubble cap Counterflow ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following packing materials provides for maximum mass transfer? Cross-partition rings All of these Raschig rings Lessig rings Cross-partition rings All of these Raschig rings Lessig rings 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 Elastic failure of a material occurs, when the tensile stress equals yield strength, yield point or the elastic limit. Also, the elastic failure occurs according to maximum strain theory, when the maximum tensile strain equals (where, σ = yield strength and E = modulus of elasticity) Σ/E E Σ E/σ Σ/E E Σ E/σ ANSWER DOWNLOAD EXAMIANS APP
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