The inside and outside temperatures of a...

The inside and outside temperatures of a refrigerator are 273 K and 303 K respectively. Assume that the refrigerator cycle is reversible. For every joule of work done, the heat delivered to the surrounding will be nearly

10 J

7 J

9 J

12 J

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

THERMAL PROPERTIES OF MATTER (HEAT TRANSFER)
MBD PUBLICATION|Exercise QUESTION BANK|217 Videos
VECTOR ANALYSIS
MBD PUBLICATION|Exercise QUESTION BANK|250 Videos

Similar Questions

Explore conceptually related problems

Ina Carnot engine the temperature of the source and sink are 500 K and 375 K respectively. If the engine consumes 600xx10^3 cal/cycle, find (ii) Work done per cycle and

Ina Carnot engine the temperature of the source and sink are 500 K and 375 K respectively. If the engine consumes 600xx10^3 cal/cycle, find (iii) heat rejected per cycle.

In a refrigerator the inside temperature is at 270 K and the room temperature is 300 K. How many joules of heat will be delivered to the room for each joule of electric energy consumed by the refrigerator ?

Total area of glass - planes of the window in a room is 10 m^2 and thickness is 2mm .Temperature outside and inside of the room are respectively 5^@ C and 20^@C . What is the amount of heat in calories flowing out of windows of the room per minute ? K for glass - 0.84 in mks system

A refrigerator has to transfer an averageof 200 Joule ofheat per sec from temperature - 10^@C to +25^@C . Calculate the average power consumed assuming ideal reversible cycle and no other losses.

10 moles of hydrogen at N.T.p is compressed adiabatically so that its temperature becomes 400^@C . How much work in Joule is done on the gas ? What is the increase in internal energy of the gas. Given R=8.31"jmole"^-1k^-1 and gamma=1.4 .

MBD PUBLICATION-THERMODYNAMICS-QUESTION BANK

Ina Carnot engine, the temperature of the reservoir is 927^@C and that...
Text Solution
|
In an ideal refrigerator, heat from inside at 280 K is transferred to ...
Text Solution
|
The inside and outside temperatures of a refrigerator are 273 K and 30...
Text Solution
|
The temperature of a refrigerator is kept at7^@C to keep the food arti...
Text Solution
|
A refrigerator abstracts 1600 calories of heat from the ice trays. The...
Text Solution
|
A carnot engine has an efficiency of 20%. The energy is supplied to th...
Text Solution
|
For a carnot engine the source and the sink temperatures are 527^@C an...
Text Solution
|
A carnot engine operates between 227^@C and 127^@C. It absorbs 80 kilo...
Text Solution
|
The efficiency of a heat engine is 50% and the temperature of the sink...
Text Solution
|
A carnot engine whose sink is at 300^@ K has an efficiency of 40%. By ...
Text Solution
|
What is the least amount of work that must be done to freeze ten gram ...
Text Solution
|
The efficiency of a heat engine is eta and the coefficient of performa...
Text Solution
|
A carnot engine, having an efficiency eta=1/10as heat engine, is used ...
Text Solution
|
One gm of water at 373 K is converted into steam at the same temperatu...
Text Solution
|
Calculate the change in internal energy when 0.15 kg of air heated fro...
Text Solution
|
Calculate the minimum work that must be done to compress 1.0 gm of hyd...
Text Solution
|
One gram mole of oxygen gas at 127^@C expands isothermally until its v...
Text Solution
|
10 moles of hydrogen at N.T.p is compressed adiabatically so that its ...
Text Solution
|
Calculate the final temperature when a given mass of a gas at 0^@C is ...
Text Solution
|
One gm mole of an ideal gas at S.T.p is subjected to a reversible adia...
Text Solution
|