Chemical Process Calculation Questions and Answers – Energy balance for Different type of systems – II

This set of Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Energy balance for Different type of systems – II”.

1. Change in the internal energy for a steady-state system is always ___________
a) Positive
b) Negative
c) Zero
d) None of the mentioned
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2. For a steady state system, 10 J of heat is supplied to the system, what is the work done by the system?
a) 10 J
b) 20 J
c) 30 J
d) 40 J
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3. If x J of work is done on a steady system, what is the heat for the system?
a) + x J
b) –x J
c) 0 J
d) None of the mentioned
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4. 10 J of heat is removed from a steady state system, what is the work done on the system?
a) – 10 J
b) 10 J
c) – 5 J
d) 5 J
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5. 25 J of work is done by a steady state system, what is the heat supplied to the system?
a) – 25 J
b) 25 J
c) 20 J
d) – 20 J
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6. 20 J of heat is supplied to a system and a work of 30 J performed on it. If 50 J of heat is removed from the system, which type of system is it?
a) Steady state
b) Unsteady state
c) Closed
d) None of the mentioned
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7. 10 J of heat is supplied to a system and a work of 30 J performed on it. If 50 J of heat is removed from the system, which type of system is it?
a) Steady state
b) Unsteady state
c) Closed
d) None of the mentioned
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8. If 25 J is work is done on a system and same amount of heat is also supplied. What kind of system is it?
a) Steady state
b) Unsteady state
c) Closed
d) None of the mentioned
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9. If 25 J is work is done by a system and same amount of heat is also supplied to the system. What kind of system is it?
a) Steady state
b) Unsteady state
c) Closed
d) None of the mentioned
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10. There must be no accumulation of mass or energy over the time period of interest in a _________
a) Steady state
b) Unsteady state
c) Closed
d) None of the mentioned
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Sanfoundry Global Education & Learning Series – Chemical Process Calculation.
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