Process Equipment and Plant Design Minimum baffle spacing recommended in a shell and tube heat exchanger is equal to I.D. of the shell 25 cms 5 cms 40% of the I.D. of the shell I.D. of the shell 25 cms 5 cms 40% of the I.D. of the shell ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Floating head heat exchangers are used for the Cases where temperature difference between the shell and the tubes is more (>50°C) Counter-current heat transfer systems Heat transfer between corrosive fluids Co-current heat transfer systems Cases where temperature difference between the shell and the tubes is more (>50°C) Counter-current heat transfer systems Heat transfer between corrosive fluids Co-current heat transfer systems ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre. 0.2-0.5 0.4-0.9 1.2-1.5 0.1-0.2 0.2-0.5 0.4-0.9 1.2-1.5 0.1-0.2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law. Positive No None of these Negative Positive No None of these Negative ANSWER DOWNLOAD EXAMIANS APP
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 One-fourth of 2.5 times Less than 1.25-1.50 times One-fourth of 2.5 times Less than 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 E/σ Σ Σ/E E E/σ Σ ANSWER DOWNLOAD EXAMIANS APP
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