Question 51 : 10 moles of oxygen divides and enters two reactors flow rate 45 kg/s and leaves the reactors at the flow rates of 6 kg/s and 9 kg/s, what are number of moles of oxygen that leaves the reactor with 9 kg/s?
1. 180
2. 450
3. 60
4. 90
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Question 52 : A Composition of carbon dioxide, oxygen and nitrogen with mole ratio 1:2:5 with 4 moles of oxygen, enters a reactor with a flow rate of 100 kg/s, the ratio of rates of leaving the reactor of the three is 5:2:1, and 5 moles of nitrogen leaves the reactor, what is the total number of moles leaving the reactor?
1. 6.1
2. 6.2
3. 6.3
4. 6.4
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Question 53 : 1 mole of Carbon dioxide enters in a reactor at a rate of 0.25 kg/s and leaves it at the rate of 1 kg/s, what are the number of moles of carbon dioxide leaves the reactor?
1. 0.25
2. 0.5
3. 0.75
4. 1
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Question 54 : A liquid of density 0.1 kg/m³ is flowing through a pipe at a rate of 15 kg/s, what will be the area of the pipe if the fluid velocity is 5 m/s?
1. 30 m²
2. 45 m²
3. 75 m²
4. 90 m²
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Question 55 : The velocity of water in a pipe of area 5 m² is 10 m/s, what will be the flow rate of water?
1. 25 m³/s
2. 50 m³/s
3. 75 m³/s
4. 100 m³/s
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Question 56 : A liquid is flowing through a pipe of cross section 4 m² at a rate of 4 kg/s, at a point pipe is divided into two pipes of areas of equal areas, what will be the ratio of flow rate in both the pipes?
1. 1:3
2. 1:1
3. 1:2
4. 2:3
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Question 57 : What is the volumetric flow rate if 100 kg of water is collected in 10 seconds? (Density of water = 1000 kg/m3)
1. 0.1 m³/s
2. 0.2 m³/s
3. 0.01 m³/s
4. 0.02 m³/s
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Question 58 : What is the mass flow rate of a liquid flowing through a pipe of which 100 grams of water was collected in 10 seconds?
1. 0.01 kg/s
2. 0.05 kg/s
3. 0.1 kg/s
4. 0.5 kg/s
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Question 59 : Which of the following is not conserved for the flow of an incompressible liquid in a pipe with variable area?
1. Mass
2. Volume
3. Velocity
4. Flow Rate
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Question 60 : Which of the following is the unit of flow rate?
1. Kg/s
2. Liters/s
3. Moles/s
4. All of the mentioned
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