Work done by a system is taken to be
A) positive
B) negative
C) zero
D) varies according to situation
Correct Answer:
Verified
Q8: Irreversibility can be distinguished in how many
Q9: Internal irreversibility is caused by
A)internal dissipative effects
B)friction,
Q10: The external irreversibility occurs at the system
Q11: Which of the following is true?
A)mechanical irreversibility
Q12: The magnitude of mechanical work is the
A)product
Q14: Work done on a system is taken
Q15: Work is a
A)point function
B)path function
C)depends on the
Q16: Thermodynamic properties are
A)point function
B)path function
C)depends on the
Q17: In the equation dV=(1/p)dW, (1/p) is known
Q18: Cyclic integral of a property is always
A)zero
B)one
C)infinite
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