What is the By-pass factor for heating coil, if td1 = temperature at entry, td2 = temperature at exit and td3 = coil temperature?
A. td3 – td1 / td3 – td1
B. td3 – td2 / td3 – td1
C. td3 – td2 / td2 – td1
D. td3 – td2 / td1 – td2
Answer:B
What is the By-pass factor for heating coil, if td1 = temperature at entry, td2 = temperature at exit and td3 = coil temperature?
A. td3 – td1 / td3 – td1 B. td3 – td2 / td3 – td1 C. td3 – td2 / td2 – td1 D. td3 – td2 / td1 – td2