31. The heat transferred by the radiator of a refrigerator is

1. 1. More than that a t the freezer

   
   
   

   2. Less than that at the freezer

   
   
   

   3. The same that at the freezer

   
   
   

   4. None of the above

   
   
   

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   N/A

   Correct Option: A

   N/A

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32. Heat is transmitted from higher to lower temperature through acrual mass motion of the molecules in

1. 1. Conduction

   
   
   

   2. Convection

   
   
   

   3. Radiation

   
   
   

   4. All of these

   
   
   

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   N/A

   Correct Option: B

   N/A

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33. An instrument used to measure humidity is

1. 1. Anemometer

   
   
   

   2. Hygrometer

   
   
   

   3. Thermometer

   
   
   

   4. Pyrheliometer

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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34. A gas in a metallic cylinder is suddenly compressed by a piston which is maintained at the same position with the passage of time the pressure of air

1. 1. Increases

   
   
   

   2. Decreases

   
   
   

   3. Remains the same

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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35. Internal energy of a perfect gas is independent of

1. 1. Pressure

   
   
   

   2. Volume

   
   
   

   3. Temperature

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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