Question Text
Question 1 :
Assertion: In the refrigerator, the evaporator is located in the freezer section.
Reason: In the heat pump, the evaporator is located outside the room which is to be heated.
Question 2 :
An ideal gas is filled in the enclosed container. The gas is then compressed adiabatically. Identify which of following statement is correct about the gas ?
Question 3 :
Assertion: The second law of thermodynamics states that the entropy of a closed or isolated system always increases. This means that all available energy is used up and there is no more potential for further useful work.
Reason: The system becomes disordered and also degraded
Question 4 : <p class="wysiwyg-text-align-left">The statement - 'Heat cannot flow from colder body to hotter body' is known as</p>
Question 10 :
The conversion of water into ice is an :<br/>(This question may have one or more correct choices)<br/>
Question 11 :
State whether true or false :In Carnot cycle there are total 4 processes which takes place?
Question 12 :
Only a part heat energy absorbed can be converted to work by heat engine because:
Question 14 :
Heat flows between two bodies due to difference in their temperature.
Question 16 :
A thermally insulated container is divided into two parts by a screen. In one part the pressure and temperature are $P$ and $T$ for an ideal gas filled. In the second part it is vacuum. If now a small hole is created in the screen, then the temperature of the gas will
Question 17 :
Which of the following statements is correct for any thermodynamic system?
