Q. An unsteady-state system, with 6 liters as initial amount of water in the vessel, water flow in rate is 2 liters/ s and flow out rate is 4 liters/s, what will be the amount of water in the vessel after 1 seconds?

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Q. What is the final amount of fluid in the vessel if the system is in steady state?

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Q. In what ratio 57 octane and 63 octane should be mixed to obtain 59 octane?

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Q. What amount of 57 octane should be mixed with 3 liters of 63 octane to obtain 4 liters of 59 octane?

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Q. An unsteady state system, the flow in rate of A is 10 mole/s, what is the flow out rate of B if the accumulation was 10 mole in 2 seconds?

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Q. An unsteady state system, the flow in rate of A is 12 mole/s, what is the flow out rate of B if the accumulation was 18 mole in 3 seconds?

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Q. An unsteady state system, the flow in rate of A is 5 mole/s, what is the flow out rate of B if the accumulation was 10 mole in 5 seconds?

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Q. An unsteady state system, the flow in rate of A is 8 mole/s, what is the flow out rate of B if the accumulation was 6 mole in 2 seconds?

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Q. An unsteady state system, the flow in rate of A is 6 mole/s, what is the flow out rate of B if the accumulation was 18 mole in 9 seconds?

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Q. Feed of a reactor has 0.25 mass fraction of H₂O and 0.75 mass fraction of CO₂ with rate 4 g/hr, if the product rate is 20 g/hr what is the mass of CO₂ in the product side?

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Q. A reactor has feed of two streams, stream 1 has CO₂ and H₂O with mass fraction of 0.4 and 0.6 and rate 10 kg/hr, and stream 2 has CO₂ and H₂O with mass fraction 0.1 and 0.9 and rate 40 Kg/hr, what the mass fraction of CO₂ in the product stream?

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Q. A reactor has feed from 2 streams, one with rate 10 Kg/hr and other with 30 Kg/hr, and product side also has 2 streams one of which is at the rate of 15 Kg/hr, what is the rate of other product stream?

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Q. Feed of a reactor has 0.75 mass fraction of O₂ and some SO₂, if the product rate is 1000 Kg/hr then what is the rate of SO₂ in the feed?

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Q. A reactor has two feed streams with the ratio of their rate as 1:9 and has O₂ and O₃ with the mass fraction of 0.6 and 0.4 in stream 1 and 0.2 and 0.8 in stream 2, what is the mass fraction of O₂ in the product side?

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Q. A reactor with efficiency 50%, has the feed CO₂ and SO₂ with mass fraction 0.4 and 0.6 with the rate 10 Kg/hr, what is the rate of CO₂ in product side?

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Q. A reactor has feed rate of 10 Kg/ hr and 5 Kg/hr and product rate of 9 Kg/hr, what is the efficiency of the reactor?

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Q. Waste water flowing with TSS concentration 40 mg/L at the rate of 10 Liter/min is discharged into the river, if the river is flowing at the rate of 15 Liter/min, what is the concentration of TSS in the river?

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Q. Water flowing with chlorine concentration 10 mg/L at the rate of 20 Liter/min, is discharged into a river, if the concentration of chlorine in river is 5 mg/L what is the flow rate of river?

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Q. Water flowing with TSS at the rate of 40 Liter/min, is discharged into a river flowing at the rate of 20 Liter/min, if the concentration of TSS in the river is 5 mg/L, what is the concentration of TSS in water?

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Q. The rate of flow in stream with 20% CH₄ and 80% H₂O is 5 mole/hr, the contained was initially filled with 3 mole of H₂O, what will be the percentage of CH₄ in product stream?

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