Which equation is correct???

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)