Multiple Choice
An open system is one in which
A) heat & work cross the boundary of the system, but the mass of the working substance does not
B) mass of working substance crosses the boundary of the system but the heat & work do not
C) both the heat & work as well as mass of the working substance cross the boundary of the system
D) neither the heat & work nor the mass of the working substances cross the boundary of the system
Correct Answer:

Verified
Correct Answer:
Verified
Q12: A series of operations, which take place
Q13: Steady flow process requires that<br>A)conditions do not
Q14: Which of the following is correct?<br>A)absolute pressure=
Q15: A system comprising a single phase is
Q16: One watt is equal to<br>A)1 nm/s<br>B)1n/min<br>C)10 n/s<br>D)100
Q18: Which of the following is not a
Q19: One joule (J) is equal to<br>A)1 nm<br>B)knm<br>C)10
Q20: The first law of thermodynamics for steady
Q21: When two bodies are in thermal equilibrium
Q22: Internal energy of a perfect gas depends