Q. API gravity is measured in,

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Q. API gravity is necessary in calculation of specific gravity of petroleum products, because

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Q. What is the API gravity of a substance with specific gravity 1?

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Q. What is the average mass of a substance with specific gravity 10, and its volume varies with time as V = t/500, from t = 2, to t = 0 seconds? (Density of water = 1000 kg/m³)

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Q. Mass of a substance is changing with respect to its volume as m = -v³ + 3v² -2v, what is the maximum specific gravity of the substance between v = 1 m³ and v = 2 m³? (Density of reference substance = 0.25 kg/m³)

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Q. What is the specific gravity of 10 Kg of water occupied in 10 m³ with respect to 200 g/m³?

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Q. What is the specific gravity of 5 Kg of water occupied in 10 m³ with respect to 500 g/m³?

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Q. What is the specific gravity of 10 Kg of water occupied in 5 m³ with respect to 100 g/m³?

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Q. What is the specific gravity of O₂ at 27°C and 60 Pa with respect to 1 Kg/m³?

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Q. What is the specific gravity of N₂ at 27°C and 6 Pa with respect to 0.1 Kg/m³?

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Q. Which of the following is the unit of flow rate?

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Q. Which of the following is not conserved for the flow of an incompressible liquid in a pipe with variable area?

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Q. What is the mass flow rate of a liquid flowing through a pipe of which 100 grams of water was collected in 10 seconds?

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Q. What is the volumetric flow rate if 100 kg of water is collected in 10 seconds? (Density of water = 1000 kg/m³)

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Q. 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?

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Q. The Velocity of water in a pipe of area 5 m² is 10 m/s, what will be the flow rate of water?

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Q. 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?

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Q. 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?

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Q. 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?

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Q. 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?

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