Petroleum oils are widely used as heat transfer media for systems operating up to:
a. 290°C
b. 190°C
c. 390°C
d. 250°C
e. 160°C
Answer: A
Petroleum oils are widely used as heat transfer media for systems operating up to:
a. 290°C
b. 190°C
c. 390°C
d. 250°C
e. 160°C
Answer: A