A. Volume
B. Temperature
C. Pressure
D. None of these
Related Mcqs:
- The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible _____________ process?
A. Isobaric
B. Isothermal
C. Adiabatic
D. None of these - A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area covered by_________________?
A. P1ACBP2P1
B. ACBB1A1A
C. ACBDA
D. ADBB1A1A - One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is_________________?
A. 30554
B. 10373
C. 4988.4
D. 4364.9 - Work done in case of free expansion is____________________?
A. Indeterminate
B. Zero
C. Negative
D. None of these - Work done in an adiabatic process between two states depends on the__________________?
A. Rate of heat transmission
B. Initial state only
C. End states only
D. None of these - The work done in isothermal compression compared to that in adiabatic compression will be__________________?
A. Less
B. More
C. Same
D. More or less depending upon the extent of work done - If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the____________________?
A. Process must be isobaric
B. Temperature must decrease
C. Process must be adiabatic
D. Both B. and C. - The work done in an adiabatic change in a particular gas depends upon changes in the ______________ only?
A. Temperature
B. Specific heat
C. Volume
D. Pressure - Work done is a____________________?
A. Property of the system
B. Path function
C. Point function
D. State description of a system - A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system________________?
A. its internal energy (U) decreases and its entropy (S) increases
B. U and S both decreases
C. U decreases but S is constant
D. U is constant but S decreases
