Question 21 : What are the number of compositions associated with a process stream, if the number of species in the stream are 2?
1. 1
2. 2
3. 3
4. 4
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Question 22 : What are the number of variables associated with a process stream, if the number of species in the stream are 2?
1. 1
2. 2
3. 3
4. 4
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Question 23 : Which of the following cannot be treated as a variable for degrees of freedom calculation?
1. Temperature
2. Pressure
3. Volume
4. Work
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Question 24 : Degrees of freedom calculation treat which kind of variables?
1. Intensive
2. Extensive
3. Both
4. None of the mentioned
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Question 25 : What are the number of degrees of freedom if the number of variables and number of equations are 21 and 9 respectively?
1. 7
2. 9
3. 10
4. 12
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Question 26 : What are the number of degrees of freedom if the number of variables and number of equations are 18 and 7 respectively?
1. 7
2. 9
3. 11
4. 15
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Question 27 : What are the number of degrees of freedom if the number of variables and number of equations are 15 and 5 respectively?
1. 5
2. 10
3. 15
4. 20
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Question 28 : What are the number of degrees of freedom if the number of variables and number of equations are 15 and 10 respectively?
1. 5
2. 10
3. 15
4. 25
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Question 29 : What are the number of degrees of freedom if the number of variables and number of equations are 10 and 8 respectively?
1. 2
2. 8
3. 10
4. 18
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Question 30 : The humidity at dry-bulb temperature of 20^oC is 12% and the humidity at dry-bulb temperature of 23^oC is 3%, what is the slope of adiabatic cooling line?
1. -0.01
2. -0.02
3. -0.03
4. -0.05
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