The COP of refrigerator may be improved by _________
A. decreasing the higher (T2) as well as the lower (T1) temperature
B. decreasing the higher (T2) temperature and increasing the lower (T1) temperature
C. increasing the higher (T2) as well as the lower (T1) temperature
D. keeping the higher (T2) temperature the same while decreasing the lower (T1) temperature
Answer:B
The COP of refrigerator may be improved by _________
A. decreasing the higher (T2) as well as the lower (T1) temperature B. decreasing the higher (T2) temperature and increasing the lower (T1) temperature C. increasing the higher (T2) as well as the lower (T1) temperature D. keeping the higher (T2) temperature the same while decreasing the lower (T1) temperature