Evacuated flat-plate solar collectors are a type of _
A. concentrating collectors
B. photovoltaic technology
C. non-concentrating collectors
D. solar stills
Answer:C
Evacuated flat-plate solar collectors are a type of _
A. concentrating collectors B. photovoltaic technology C. non-concentrating collectors D. solar stills
Explanation: Evacuated flat-plate solar collectors are a type of non-concentrating collectors. Solar stills and photovoltaic technology are not solar collectors.