Question 61 : What is the humid volume of the system at 150oF with humidity 50%?
1. 12.4 ft3/lb
2. 19.5 ft3/lb
3. 27.7 ft3/lb
4. 36.1 ft3/lb
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Question 62 : What is the humid volume of the system at 200oF with humidity 40%?
1. 14.2 ft3/lb
2. 23.4 ft3/lb
3. 29.5 ft3/lb
4. 31.6 ft3/lb
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Question 63 : What is the humid volume of the system at 100oF with humidity 20%?
1. 18.6 ft3/lb
2. 22.4 ft3/lb
3. 26.5 ft3/lb
4. 29.4 ft3/lb
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Question 64 : Which of the following is the summation of a volume of 1 Kg of dry air and the water vapor in the air?
1. Humid volume
2. Partial volume
3. Dry volume
4. None of the mentioned
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Question 65 : What is the humid heat of a mixture of air (CP = 10 J) with water vapor (CP = 25 J), if the humidity is 20%?
1. 15 J
2. 20 J
3. 25 J
4. 30 J
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Question 66 : What is the humid heat of a mixture of air (CP = 10 J) with water vapor (CP = 15 J), if the humidity is 60%?
1. 10 J
2. 14 J
3. 19 J
4. 23 J
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Question 67 : What is the humid heat of a mixture of air (CP = 10 J) with water vapor (CP = 15 J), if the humidity is 40%?
1. 16 J
2. 20 J
3. 24 J
4. 32 J
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Question 68 : What is the humid heat of a mixture of air (CP = 20 J) with water vapor (CP = 30 J), if the humidity is 40%?
1. 24 J
2. 32 J
3. 38 J
4. 44 J
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Question 69 : What is the humid heat of a mixture of air (CP = 10 J) with water vapor (CP = 20 J), if the humidity is 25%?
1. 10 J
2. 15 J
3. 20 J
4. 25 J
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Question 70 : What is the specific humidity, if moles of water are 4 and total moles are 5?
1. 20%
2. 80%
3. 200%
4. 400%
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