Process Equipment and Plant Design In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area) Aa = Sa Aa = 1.5 Sa Sa = 1.5 Aa 1.2 Aa = 1.2 Sa Aa = Sa Aa = 1.5 Sa Sa = 1.5 Aa 1.2 Aa = 1.2 Sa ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Ratio of tube length to shell diameter for a shell and tube heat exchanger is Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers < 4 : 1 for gas-gas exchangers Both B & C 4 : 1 to 8 : 1 for liquid-liquid exchanger 8 : 1 to 12 : 1 for both liquid-liquid and gas-gas heat exchangers < 4 : 1 for gas-gas exchangers 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/σ E Σ/E Σ E/σ E Σ/E ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is Less Twice More Same Less Twice More Same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The raio, (properller agitator dia/tank dia) is normally taken as 0.5-0.65 0.15-030 0.60-0.90 0.75-0.85 0.5-0.65 0.15-030 0.60-0.90 0.75-0.85 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress. Ultimate Breaking None of these Yield point Ultimate Breaking None of these Yield point ANSWER DOWNLOAD EXAMIANS APP