Which of the following is a problem with evacuated tubes?
A. Underheating
B. Overheating
C. Poor absorption of sunlight
D. Poor reception of sunlight
Answer:B
Which of the following is a problem with evacuated tubes?
A. Underheating B. Overheating C. Poor absorption of sunlight D. Poor reception of sunlight
Explanation: Overheating is a common problem with evacuated-tube solar collector. This is because of the high temperatures of the circulating fluid caused by collection of large amount of sunlight.