5.32 PQ< What is a control surface and a control volume? Can mass pass through a control surface?
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Q: Question 6 Water at 2.5 MPa and 200°C is heated at constant temperature up to a quality of 80%. Find…
A: Answer: The quantity of heat received by the water is 1551.792 kJ/kg.
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A: According to the details provided in the question, we need to calculate inverse Laplace transform.
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A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
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A: Since we only solve one question at once, we will solve the first one. Please resubmit the other…
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Q: 1111 ENGG 112 - THERMODYNAMICS QUESTION SHEET #2 – THERMODYNAMIC SYSTEMS This sheet involves topics…
A: given; speed(V)=30mph =303600m/s =0.0083m/smass(m)=2500kg
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A: Here we have given P=20 kNdiameter d= 16mm∑mB=020(0.25)=-FCE(0.4)FCE=-12.5 kN (compr)
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Q: Problem 01: The 40-kg crate shown below rests on a horizontal surface for which the coefficient of…
A: Given Mass = 40 kg Coefficient of kinematic friction =-0.25 Time = 2.5 s Acceleration = 4.8 m/s2 To…
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Q: Water at 2.5 MPa and 200 degree celcius is heated at constant temperature up to 80% quality. Find…
A: Answer: (a)The quantity of heat received by the water is 1551.8 kJ/kg. (b) The work in non-flow…
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- A) A fuel injection nozzle creates small droplets of liquid gasoline at 15.6 C. If the average diameter of the droplets is 350 (Greek mu)m, what is the difference in pressure between the inside and outside of the droplets? ( (Greek mu)m = 10^-6 m) B) What is the difference between the pressure inside a soap bubble and atmospheric pressure for a 3-in. diameter bubble? Assume that the surface tension of the soap film is equivalent to 70% of that for pure water at 60 F.5. The total head of a fan is 185 m and has a static efficiency pressure of 210 mm of water gage.What is the velocity of air flowing if the density of air is 1.15 kg per cubic meter? 8. A coal fired steam boiler uses 3000 kg of coal per hour. Air required for combustion is 15.5 kg ofcoal at barometric pressure of 98.2 KPa. The flue gas has temperature of 285 degree Celsiusand an average molecular weight of 30. Assuming an ash loss of 11% and allowable gas velocityof 7.5 meters per second. Find the diameter of the chimney 9. The gas density is 0.75 kg per cubic meters and air density is of 1.15 kg per cubic meter. If thedriving pressure is 0.25 KPA. Determine the height of the chimney. 10. A powerplant situated at an altitude having an ambient air of 96.53 KPa and 23.88 degreeCelsius. Flue gases at a rate of 5.0 kg per second enter the stack at 200 degree Celsius andleaves at 160 degree Celsius. The flue gases gravimetric analysis are 18% CO2, 7% O2 and 75%N2. Calculate the height of…15.In general turbulent currents can occur ifa. Fluid density > 2gr/ccb. Fluid density < 2gr/ccc. No influence of fluid densityd. The density of the fluid is very large
- fluid mechanics In order to prevent flooding in irrigation areas and to direct the water back to the river or waterbed, the flat cover system given below is preferred. The weight of the cover is 871 kg. The square section cover is hinged 1m above the center of the cover (a = 0.25 m) and b = 1.5 m. The cover has a vertical angle of 40 What should be the maximum water head (h) according to the instructions so that the cover does not open? (psu=1000kg/m3)Cell culture media is flowing through a cylindrical tube at a volumetric flow rate of 12 ml/s. The tube has a diameter of 0.8 cm and length of 12cm. Assume the viscosity of the media is 1.2 cP (0.0012 Pa s). a. What is the shear rate at the wall of the tube ? b. What is the shear rate at the centerline of the tube ? c. What is the shear stress at the wall of the tube ?On a circular conduit there are different diameters: diameter D1 = 3 m changes into D2 = 4 m. The velocity in the entrance profile was measured: v1 = 4 ms-1. Calculate the discharge and mean velocity at the outlet profile (see fig. 1). Determine also type of flow in both conduit profiles (whether the flow is laminar or turbulent) – temperature of water T = 12° C. Kinematic viscosity of water of 12°C is 1.24 x 10-6.
- Q/ ture or false -The flow curves are classified according to the number of reactors and the mechanism of separation or non-separation in the cores13.14 What is the minimum surface tension of a fluid that can sustain a gauge pressure of 0.1 kPa in a 0.5 cm radius bubble?Q. What is meant by the term “velocity of circulation” and explain its relevance in the quantity equation.
- At 60°C the surface tension of mercury is 0.47 N/m. What capillary height changes (mm) will occur in this fluid when it is in contact with air in a glass tube of radius 0.25 mm? Use wetting angle = 130° and unit weight = 132,300 N/m3Stratified flow pattern can be observed in horizontal or slightly inclined pipelines. It is characterized by the structure of the interface which may be ________ according to the gas flow rate a. Up and down b. Smooth c. Harsh d. Unevena band moves at a speed V and is in contact with a surface of an oil tank with viscosity m. calculate the power in watts required if the belt is moving at 2.9 m / s over SAW 30W oil at 20 C with L = 2m, b = 60m, Nu = 329.0mm ^ 2 / s, rho = 0.9g / cm ^ 2 and h=3cm