Mass Transfer Blowdown in a cooling tower Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Higher than Equal to Lower than Either A or B, depends on the mixture composition Higher than Equal to Lower than Either A or B, depends on the mixture composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.0025 1.25 2.5 0.25 0.0025 1.25 2.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Minimum reflux ratio Zero reflux ratio No reflux Total reflux Minimum reflux ratio Zero reflux ratio No reflux Total reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to Increase the efficiency of separation Reduce the number of plates Increase the total pressure of distillation Avoid thermal decomposition of a component Increase the efficiency of separation Reduce the number of plates Increase the total pressure of distillation Avoid thermal decomposition of a component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Data insufficient Unity Zero Infinity Data insufficient Unity Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
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