Consider the following statements:
A decrease in evaporator temperature of a vapour compression machine lead to
1. an increase in refrigerating effect
2. an increase in a specific volume of vapour.
3. a decrease in volumetric efficiency of the compressor
4. an increase in compressor work.
Which of these statements are correct?
1
1, 3 and 4
2
1, 2 and 3
3
2, 3 and 4
4
2 and 4