Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 > 10 1 1 to 5 5 to 10 > 10 1 1 to 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant. Packed tower Agitated vessel Bubble cap column Sieve tray column Packed tower Agitated vessel Bubble cap column Sieve tray column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 1000 1500 2500 2000 1000 1500 2500 2000 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current liquid extractor Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate Only one of the liquids may be pumped at any desired rate Both liquids flow at fixed rate Liquid's flow rate depends upon the temperature and pressure Both liquids can have any desired flow rate Only one of the liquids may be pumped at any desired rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the wet bulb More than the wet bulb Less than the wet bulb Equal to the dry bulb Equal to the wet bulb More than the wet bulb Less than the wet bulb Equal to the dry bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with No reflux Zero reflux ratio Total reflux Minimum reflux ratio No reflux Zero reflux ratio Total reflux Minimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
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