Superficial steam power plants operate at _____ temperatures.
A. high
B. low
C. constant
D. none of the mentioned
Answer:A
Superficial steam power plants operate at _____ temperatures.
A. high B. low C. constant D. none of the mentioned
Explanation: Superficial steam power plants operate at high temperatures. Superficial steam has high pressure which means for steam to get into superficial state high temperature is required.