Related Questions

A system is said to be at equilibrium, if the entropy of the system has reached __________ value.
A Minimum
B Zero
C Maximum
D None of these
Entropy, which is a measure of the disorder of a system is
A Independent of pressure
B Independent of temperature
C Zero at absolute zero temperature for a perfect crystalline substance
D All of the above
High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process:
A ΔH = 0 and ΔS = 0
B ΔH ≠ 0 and ΔS = 0
C ΔH ≠ 0 and ΔS ≠ 0
D ΔH = 0 and ΔS ≠ 0
রক্ততাপীয় প্রক্রিয়ায় এনট্রপির ( Entropy) কি পরিবর্তন হয় ?
A কোনোটিই নয়
B বৃদ্ধি পায়
C কমে যায়
D কোনো পরিবর্তন হয় না
What is the unit of the physical quantity Entropy?
A watt per kelvin
B newton per kelvin
C pascal per kelvin
D joule per kelvin
When ice cubes are made, the entropy of water
A does not change
B decreases
C increases
D may either increase or decrease depending on the process used
The entropy may be expressed as a function of
A Pressure and temperature
B Temperature and volume
C Heat and work
D All of these
The area under the temperature-entropy curve (T - s curve) of any thermodynamic process represents
A Heat absorbed
B Heat rejected
C Either (A) or (B)
D None of these
Entropy change depends on
A Heat transfer
B Mass transfer
C Change of temperature
D Thermodynamic state
Melting of wax is accompanied with __________ in entropy.
A Increase
B Decrease
C No change
D None of these

Next steps