Process Equipment and Plant Design Steam is preferred to be used as a heating medium in heat exchangers, because of its High latent heat Non-corrosive condensate High film co-efficient Low cost High latent heat Non-corrosive condensate High film co-efficient Low cost ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.) L/Z.H.ρ H.ρ/L Z.H.ρ/L Z.H/L.ρ L/Z.H.ρ H.ρ/L Z.H.ρ/L Z.H/L.ρ ANSWER DOWNLOAD EXAMIANS APP
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) None of these D₂ - D₁ (D₂² - D₁²)/D₂² (D₂² - D₁²)/D₁² None of these D₂ - D₁ (D₂² - D₁²)/D₂² (D₂² - D₁²)/D₁² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times. Increase by 1.8 None of these Decrease by 22 Increase by 21.6 Increase by 1.8 None of these Decrease by 22 Increase by 21.6 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Baffle width is normally taken as __________ times the tank diameter. 0.1-0.12 0.45-0.6 0.4-0.5 0.2-0.45 0.1-0.12 0.45-0.6 0.4-0.5 0.2-0.45 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Liquid/petroleum fuel storage tanks are built underground (as in case of petrol pumps), when the storage capacity is less than __________ kilolitres. 45 85 30 20 45 85 30 20 ANSWER DOWNLOAD EXAMIANS APP