The use of ethylene glycol solution will result in which of the following:
i) Lower heat transfer rate
ii) Better protection against freezing
iii) Increased friction losses in the coil and piping
iv) The requirement of a larger pump with more H.P.
a) i and iv
b) i and iii
c) i and iv
d) iii only
e) i, ii, iii, and iv
Answer: E