Process Equipment and Plant Design In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes) (D₂² - D₁²)/D₂² D₂ - D₁ None of these (D₂² - D₁²)/D₁² (D₂² - D₁²)/D₂² D₂ - D₁ None of these (D₂² - D₁²)/D₁² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A/an __________ is used for changing the direction of a pipeline. Elbow Disc compensator Union Flange Elbow Disc compensator Union Flange 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 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 a cylinderical vessel subjected to internal pressure, the longitudinal stress σL and the circumferential stress, σh are related by σh = σL No relation exists σh = 2 σL σh = σL/2 σh = σL No relation exists σh = 2 σL σh = σL/2 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph (ph - dh . dt/2)/ph (ph - dh)/dh (ph - dt)/ph (ph - dh)/ph ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Filtration rate is affected by the All of these Area of filtering surface & the viscosity of filtrate Pressure drop across the cake & filter medium Cake & filter medium resistance All of these Area of filtering surface & the viscosity of filtrate Pressure drop across the cake & filter medium Cake & filter medium resistance ANSWER DOWNLOAD EXAMIANS APP