Question

A refrigerator is to maintain eatables kept inside at $9$ degree Celsius. If the room temperature is $36$ degree Celsius, then what is the coefficient of performance?

• A. $10.44$
• B. $20.62$
• C. $1.44$
• D. $19.82$

Answer 1

Answer: (A)

$10.44$

Answer 2

Coefficient of performance , $\beta=\frac{T_{2}}{T_{1}-T_{2}}$
$=\frac{273+9}{\left(273+36\right)-\left(273+9\right)}$
$=10.44$