A refrigerator works between 4 o  C and 30 o C . It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is: (Take 1 cal = 4 .2 Joules)

Question

A refrigerator works between 4 o&#160; C and 30 o C . It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is: (Take 1 cal = 4 .2 Joules)

Quantrex Academy · Accepted Answer

Correct answer: C. 236.5 W

Q 2 Q 1 = T 2 T 1 &#8658; 600 + w 600 = 303 277 = 277 + 26 277 1 + w 600 = 1 + 26 277 w = 600 &#215; 26 277 &#215; 4.2 w = 236.5

A refrigerator works between 4 o  C and 30 o C . It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is: (Take 1 cal = 4 .2 Joules)

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Correct answer

Step-by-step solution

More from Thermodynamics

A refrigerator works between 4 o&#160; C and 30 o C . It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is: (Take 1 cal = 4 .2 Joules)

Options

Correct answer

Step-by-step solution

More from Thermodynamics

A refrigerator works between 4 o C and 30 o C . It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is: (Take 1 cal = 4 .2 Joules)