O Please circle the relationship(s) which is (are) valid for actual cycles \text { (A) } \oint \frac{\delta Q}{T}>0 \oint \frac{\delta Q}{T} \geq 0 \text { C) } \frac{\delta Q}{T}=0

\text { (D) } \frac{\delta Q}{T} \leq 0 \oint \frac{\delta Q}{T}<0