diffuse radiations only

direct radiation only

both direct and diffuse radiations

none of the above

50 to 100 Degree C

100 to 150 Degree C

150 to 200 Degree C

200 to 300 Degree C and above

temperature of about 90 Degree C with an efficiency of 30 to 35%

temperature of about 120 Degree C with an efficiency of 45%

temperature of about 150 Degree C with an efficiency of 52%

none of the above

protect the collector from dust

reduce the heat losses from collector beneath to atmosphere

transmit solar radiation only

all of the above

flat plate collectors

focusing or concentrating collectors

solar ponds

any of the above