engineering recuitment BPSC AE Mock Test 2025 Refrigeration and Air Conditioning Refrigerants Properties of Refrigerants
Operating pressures of the refrigerants at the evaporator in the ascending order for any application are
1
R11, R12, R717, R22
2
R22, R717, R12, R11
3
R11, R12, R22, R717
4
R717, R22, R11, R12