This quiz contains multiple-choice problems on degrees of freedom and their analysis, energy balance applications, ideal reversible processes and their efficiency, mechanical energy balance, mixing effect into energy balance and heat of solution, dissolution and mixing.
What are degrees of freedom?
Total variables in the process
Total species in the process
Total reactions in the process
None of the above
If the reactions are unknown, is it possible to determine the degrees of freedom?
Yes
No
Depends on the type of reaction
None of the above
What are the total degrees of freedom if the number of species are 4, total streams are 2, stream temperature 2, stream pressure 1, heat released 1 and extent of reaction 1?
4
7
11
15
What are the total degrees of freedom if the number of species are 8, total streams are 3, stream temperature 3, stream pressure 3, heat released 1 and extent of reaction 2?
8
12
15
17
What are the total degrees of freedom if the number of species are 8, total streams are 4, stream temperature 2, stream pressure 2, heat released 1 and extent of reaction 3?
12
16
20
24
Vapourization begins at which of the following points?
Dew point
Bubble point
Triple point
None of the above
Two streams enter a reactor, one with C{6}H{6} at 10 atm and 27 °C and another with H{2} at 10 atm and 0 °C, producing C{6}H{6}, C{6}H{12}, and H{2} at 10 atm and 23 °C. What are the total degrees of freedom?
10
12
15
16
Two streams enter a reactor, one with C{6}H{6} at 10 atm and 27 °C and another with H{2} at 10 atm and 0 °C, producing C{6}H{12}, and H{2} at 10 atm and 23 °C. What are the total degrees of freedom?
10
15
20
23
Two streams enter a reactor, one with CO{2} at 10 atm and 27 °C and another with H{2}O at 10 atm and 0 °C, producing CH{4}, CO{2}, H{2}O, and O{2} at 10 atm and 23 °C. What are the total degrees of freedom?
10
15
17
21
Two streams enter a reactor, one with CH{4} at 10 atm and 27 °C and another with O{2} at 10 atm and 0 °C, producing CO{2}, CO, H{2}O, and O{2} at 10 atm and 23 °C. What are the total degrees of freedom?
12
16
18
20
Two streams enter a reactor, one with H{2} at 10 atm and 27 °C and another with O{2} at 10 atm and 0 °C, producing H{2}O{2}, H{2}O, and O{2} at 10 atm and 23 °C. What are the total degrees of freedom?
12
17
19
23
Two streams enter a reactor, one with N{2} at 10 atm and 27 °C and another with O{2} at 10 atm and 0 °C, producing NO, NO{2}, NO{3}, and O{2} at 10 atm and 23 °C. What are the total degrees of freedom?
12
17
19
21
Two streams enter a reactor, one with S at 10 atm and 27 °C and another with O{2} at 10 atm and 0 °C, producing SO{2}, SO{3}, and O{2} at 10 atm and 23 °C. What are the total degrees of freedom?
10
13
15
17
Two streams enter a reactor, one with H{2} at 10 atm and 27 °C and another with O{2} at 10 atm and 0 °C, producing H{2}O at 10 atm and 23 °C. What are the total degrees of freedom?
10
14
16
19
Two streams enter a reactor, one with CH{4} at 10 atm and 27 °C and another with O{2} at 10 atm and 0 °C, producing CO{2} and H{2}O at 10 atm and 23 °C. What are the total degrees of freedom?
10
12
15
17