Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Dehydration Evaporation Sublimation Adsorption Dehydration Evaporation Sublimation Adsorption 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 2000 1000 1500 2500 2000 1000 1500 2500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content. Freeze Tray None of these Rotary Freeze Tray None of these Rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer CO₂ can be absorbed by Cold Ca(OH)₂ Alumina Heated charcoal Hot cupric oxide Cold Ca(OH)₂ Alumina Heated charcoal Hot cupric oxide ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Not affected by the temperature Affected more by temperature than that for gases None of these Affected much less by temperature than that for gases Not affected by the temperature Affected more by temperature than that for gases None of these Affected much less by temperature than that for gases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is a suitable absorbent for removal of H₂S from natural gas? Vetrocoke solution Hot water Dilute Monoethanol amine (MEA) Vetrocoke solution Hot water Dilute Monoethanol amine (MEA) ANSWER DOWNLOAD EXAMIANS APP