Physics GK 18 - Thermodynamics

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1).
What is the branch of physics that deals with the concepts of heat and temperature and the inter-conversion of heat and other forms of energy is known as?
2).
Which of the following is true about an adiabatic wall?
3).
Which of the following law states that if two systems are in thermal equilibrium with a third system separately, then they are in thermal equilibrium with each other?
4).
Which of the following principles is used to define the First law of Thermodynamics?
5).
Which of the following exchanges with the surrounding take place in a closed system?
6).
How many joules are there in one calorie?
7).
What do we call the process in which no exchange of heat energy takes place between the gas and the surroundings?
8).
What do we call the process taking place at constant temperature?
9).
Which of the following represents the Boiling process?
10).
What do we call the process taking place at constant pressure?
11).
What do we call the process taking place at constant volume?
12).
Which of the following is correct as per the second law of thermodynamics?
13).
Which of the following is the efficiency of a Carnot engine(a = Temperature of source, b=Temperature of sink)?
14).
What are the dimensions of Co-efficient of volume expansion?
15).
Which of the following is true about an ideal gas, if Cp =molar specific heat capacities at constant pressure, Cp= molar specific heat capacities at constant volume and R is the universal gas constant?
16).
Which of the following is true about a cyclic process?
17).
What is the temperature range used in the definition of a calorie?
18).
What do we call a device by which a system is made to undergo a cyclic process resulting in conversion of heat to work?
19).
Which of the following statements state that no process is possible whose sole result is the transfer of heat from a colder object to a hotter object?
20).
What is a Carnot engine?
1. What is the branch of physics that deals with the concepts of heat and temperature and the inter-conversion of heat and other forms of energy is known as?
[A] Calorimetry
[B] Thermodynamics
[C] Thermostatics
[D] Electrostatics
2. Which of the following is true about an adiabatic wall?
[A] it allows flow of heat from one system to another
[B] it allows flow of particles from one system to another
[C] it does not allow flow of heat from one system to another
[D] None of the above
3. Which of the following law states that if two systems are in thermal equilibrium with a third system separately, then they are in thermal equilibrium with each other?
[A] First law of Thermodynamics
[B] Zeroth law of Thermodynamics
[C] Second law of Thermodynamics
[D] Third law of Thermodynamics
4. Which of the following principles is used to define the First law of Thermodynamics?
[A] Conservation of mass
[B] Conservation of energy
[C] Conservation of momentum
[D] Conservation of charge
5. Which of the following exchanges with the surrounding take place in a closed system?
[A] Both matter and energy
[B] Only energy
[C] Only matter
[D] No exchange
6. How many joules are there in one calorie?
[A] 3.186 J
[B] 4.186 J
[C] 5.186 J
[D] 6.186 J
7. What do we call the process in which no exchange of heat energy takes place between the gas and the surroundings?
[A] Adiabatic
[B] Isothermal
[C] Isochoric
[D] Isobaric
8. What do we call the process taking place at constant temperature?
[A] Adiabatic
[B] Isothermal
[C] Isochoric
[D] isobaric
9. Which of the following represents the Boiling process?
[A] Adiabatic change
[B] Isothermal change
[C] Isochoric process
[D] None
10. What do we call the process taking place at constant pressure?
[A] Isochoric
[B] Isobaric
[C] Adiabatic
[D] Isothermal
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