试题详情

某空调冷冻水系统,供回水温度为7/12℃,设计流量G=100m3/h,水泵扬程H=32m,水泵效率η=0.73,试问该系统的输送能效比(职)为下列何值?

A0.0145~0.0155

B0.02~0.021

C0.022~0.023

D0.024~0.025