#1
Which of the following is a commonly used refrigerant in household refrigerators and air conditioners?
1 answered
#2
What is the purpose of an evaporator in a refrigeration system?
1 answered
#3
Which refrigerant is known for its low environmental impact and is commonly used as a replacement for R-22?
2 answered
#4
What component of a refrigeration system is responsible for controlling the flow of refrigerant between the evaporator and the condenser?
1 answered
#5
Which of the following refrigerants has a lower global warming potential (GWP)?
1 answered
#6
In a refrigeration cycle, what is the purpose of the compressor?
1 answered
#7
Which of the following statements about refrigerants is true?
1 answered
#8
Which law of thermodynamics is primarily associated with refrigeration systems?
1 answered
#9
What is the function of a condenser in a refrigeration cycle?
1 answered
#10
What type of refrigerant does not deplete the ozone layer but contributes to global warming?
1 answered
#11
In a refrigeration system, what does the term 'superheat' refer to?
1 answered
#12
Which refrigerant is commonly used in large industrial refrigeration systems due to its high efficiency and low cost?
1 answered
#13
What is the primary function of an expansion valve in a refrigeration system?
1 answered
#14
Which of the following refrigerants is classified as a natural refrigerant?
1 answered
#15
What does the coefficient of performance (COP) measure in a refrigeration system?
1 answered
#16
What is the purpose of an accumulator in a refrigeration system?
1 answered
#17
What phenomenon occurs when refrigerant absorbs heat from the surroundings and changes from a liquid to a vapor?
2 answered
#18
In a refrigeration cycle, which component is responsible for removing heat from the refrigerant?
1 answered
#19
Which refrigerant has been widely adopted as a replacement for R-22 due to its lower ozone depletion potential?
1 answered