Q. Which one of the following statements is correct?

  • (A) pressure is an extensiveproperty
  • (B) density is an intensiveproperty
  • (C) density is an extensiveproperty
  • (D) temperature is anextensive property
πŸ’¬ Discuss
βœ… Correct Answer: (B) density is an intensiveproperty

Q. First law of thermodynamics deals with conservation of

  • (A) mass
  • (B) momentum
  • (C) energy
  • (D) heat
πŸ’¬ Discuss
βœ… Correct Answer: (C) energy

Q. Which one of the following processes or systems does not involve heat

  • (A) steady processes
  • (B) isothermal processes
  • (C) adiabatic processes
  • (D) thermal processes
πŸ’¬ Discuss
βœ… Correct Answer: (C) adiabatic processes

Q. Thermodynamic equillibrium is completely defined by the specification of

  • (A) generalised displacements
  • (B) internal energy
  • (C) enthalpy
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of the above

Q. ………. Is not a property of the system

  • (A) pressure
  • (B) temperature
  • (C) heat
  • (D) specific volume
πŸ’¬ Discuss
βœ… Correct Answer: (C) heat

Q. In which of the following processes the external work done is not zero?

  • (A) throttling
  • (B) free expansion
  • (C) constant volume process
  • (D) constant pressureprocess
πŸ’¬ Discuss
βœ… Correct Answer: (D) constant pressureprocess

Q. The extension & compression of a helical spring is an example of

  • (A) irreversible process
  • (B) reversible process
  • (C) isothermal process
  • (D) adiabatic process
πŸ’¬ Discuss
βœ… Correct Answer: (B) reversible process

Q. In all irrevesible processes, the entropy of the system

  • (A) remains unaltered
  • (B) reduces to zero
  • (C) increases
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) increases

Q. Temperature of a gas is produced due to which of the following?

  • (A) attraction of molecules
  • (B) repulsion of molecules
  • (C) kinetic energy of molecules
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) kinetic energy of molecules

Q. The same volume of all gases at same temperatureand pressure would represent their

  • (A) specific gravity
  • (B) densities
  • (C) specific weights
  • (D) molecular weights
πŸ’¬ Discuss
βœ… Correct Answer: (D) molecular weights

Jump to