A. Isothermal expansion
B. Isochoric heat addition
C. Polytropic expansion
D. Isobaric heat addition
Related Mcqs:
- Increase in the entropy of a system represents the_____________________?
A. Degradation of energy
B. Decrease in system pressure
C. Increase in the availability of energy
D. Increase in the temperature - Exposure to _________________ accelerates the degradation of plastics?
A. Ultraviolet radiation
B. High atmospheric temperature
C. High ambient temperature
D. Damp atmosphere - What is the value of entropy at 273°K ?
A. 0
B. 1
C. ∞
D. None of these - Consider an ideal solution of components A and B. The entropy of mixing per mole of an alloy containing 50% B is_______________?
A. R ln 2
B. -R ln 2
C. 3 R ln 2
D. -3R ln 2 - __________________ of air does not increase with increase in temperature?
A. Density
B. Thermal diffusivity
C. Viscosity
D. Thermal conductivity - Direct conversion of thermal energy to electrical energy is facilitated by the____________________?
A. Fuel cells
B. Photo voltaic cell
C. Magneto hydrodynamic generator
D. None of these - Energy to be supplied to the radioactive nucleus for the emission of a neutron is ________________ MeV?
A. 0.8
B. 7.8
C. 200
D. 10000 - For a spontaneous natural process at constant temperature and pressure, the free energy of the system always____________________?
A. Increases
B. Decreases
C. Remain constant
D. Increases to a maximum before decreasing - Tumbling is the process of improving the ________________ of the materials/parts ?
A. Surface finish
B. Fatigue limit
C. Creep limit
D. Surface cleanliness - Austempering process results in the formation of ________________ structure ?
A. Martensitic
B. Bainitic
C. Carburised
D. Stressed
