. Direct dryers are ___________Question 1AnswerA.Continuous driersB.None of the mentionedC.Semi-batch driersD.Batch dryer

The features of a heat pump dryer produced by Haier are given as follows, answer these two questions based on the product features.1. drying process (in terms of dryness of clothes) is an open-loop control or closed-loop control (Feedback control). (1 mark)2. Explain why it is open/closed-loop control. (1 mark. Please answer in 50 words, a correct answer with more than 50 words will get a 0.5 mark deduction) ● Heat Pump Condensing Technology.● Number of dry programs 16.● Electronic touch controls.● LED display showing remaining time.● Adjustable dryness level control.● Delay start function.● Sensor drying to prevent over or under drying.

Which of the following statement is true?Drying is a chemical changeDehydation  and drying are sameDrying is a physical changeDehydration and drying are different

Which of the following petroleum products is used as a solvent for dry cleaning clothes?1 pointPetrolLiquified petroleum gasLubricating oilAll of the above

Dry Heat Sterilization

3. Review the various factors affecting rate of drying and evaporation