एक एयर-कंडीशनिंग सिस्टम में वांछित आराम की स्थिति (comfort conditions) निम्नलिखित में से कौन-सी है?

In a vapor absorption refrigeration system, the primary function of the absorber is to:

In a simple vapour compression refrigeration cycle, the throttling process is assumed to be:

Which of the following is NOT a synthetic chemical refrigerant used in vapor compression refrigeration systems?