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 Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always More than geometric mean value Less than arithmetic mean value Both B & C More than arithmetic mean value More than geometric mean value Less than arithmetic mean value Both B & C More than arithmetic mean value ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Needle valves are generally not used for High pressure throttling service Very accurate flow control Smaller sizes of pipe Very large diameter pipes High pressure throttling service Very accurate flow control Smaller sizes of pipe Very large diameter pipes ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Which of the following efficiencies can be greater than 100%? None of these Point efficiency Overall plate efficiency Murphree plate efficiency None of these Point efficiency Overall plate efficiency Murphree plate efficiency 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) (D₂² - D₁²)/D₁² D₂ - D₁ None of these (D₂² - D₁²)/D₂² (D₂² - D₁²)/D₁² D₂ - D₁ None of these (D₂² - D₁²)/D₂² ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The dust collection efficiency of electrostatic precipitator increases with increase in the Both A & B Neither A nor B Electrode area Gas flow rate Both A & B Neither A nor B Electrode area Gas flow rate ANSWER DOWNLOAD EXAMIANS APP
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