Karnataka Diploma Applied Science Question Bank Chapter-3 HEART AND PROPERTIES OF GASES

Unit 3

HEAT AND PROPERTIES OF GASES

Part-A (2 marks questions)

1. Define heat and write SI unit of Temperature.
2. Define temperature and write SI unit of Temperature.
3. Define specific heat of substance and write its SI unit.
4. Define conduction of heat.
5. Define convection of heat.
6. Define radiation of heat.
7. Define thermal conductivity.
8. Define specific heat of a gas at constant volume.
9. Define specific heat of a gas at constant pressure.
10. State Boyle's law.
11. State Charles law.
12. Define isothermal process.
13. State gay lussac's law.
14. Define adiabatic process.
15. Define Thermodynamics.
16. State zero law of thermodynamics.
17. State first law of thermodynamics.
18. State second law of thermodynamics.
19. Write mayers equation.

Part-B (5 marks questions)

1. Write any five differences between heat and temperature.
2. Define heat, temperature and specific heat of substance. Write mayers equation for gas.
3. Define conduction, convection radiation and thermal conductivity.
4. Write any 5 applications of conduction.
5. Write any 5 applications of radiation.
6. Write any five application of convection.
7. Define CP and CV, write the relation between them.
8. Define conduction, write application of conduction.
9. State first law of thermodynamics explain isothermal and adiabatic process.
10. Compare the three modes of transfer of heat.
11. State three gas laws.

Part-C (6 marks questions)

1. With usual notations prove that pv=nRT
2. Define thermal conductive. Derive an equation for coefficient of thermal conductivity.
3. Define specific heat of a substance. Derive an equation for a specific heat of substance.
4. How much heat is required to raise the temperature of 5 kg copper from 27 degree Celsius to its melting point of 1063 degree Celsius? Given that specific heat of copper is 400 J / K degree Celsius.
5. Describe an experiment to verify Boyle's law

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