Identify the FINAL microstructure produced after all the heat treatment steps below: 1: Quench from 800°C to 700°C and hold for 10 seconds 2: Quench to 350 °C and hold for 102 seconds 3: Quench to 125 °C and hold for 103 seconds
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- The variation of the dynamic viscosity of water with absolute temperature is given as Using these tabulated data, develop a relation for viscosity in the form of ? = ? (T ) = A + BT + CT2 + DT3 + ET4. Using the relation developed, predict the dynamic viscosity of water at 50°C at which the reported value is 5.468 × 10−4 Pa⋅s. Compare your result with the results of Andrade’s equation, which is given in the form of ? = D⋅eB/T, where D and B are constants whose values are to be determined using the viscosity data given.The heat transfer coefficient is a nondimensional parameter which is a function of viscosity ? , specific heat cp (kJ/kg·K), and thermal conductivity k (W/m·K). This nondimensional parameter is expressed as (a) cp/? k (b) k/? cp (c) ? /cpk (d ) ? cp/k (e) cpk/?A core was mounted in a gas permeameter to measure permeability. Determine the liquid permeability (mD) of the core using gas (in oilfield units). The laboratory data are as follows: Diameter of the core = 3.78 cm Length of the core = 7.63 cm Gas viscosity = 0.0148 cP Flow rate = 9.07 cm3/s P1 = 1.439 atm P2 = 1.086 atm
- The horizontal force due to water acting on the bolt (Fh): Fh=ρ×A1×V1×V1--V2 Fh=1000×π4×0.0752×1.254×1.254+11.286( Fh)=69.472 This is the only part I did not understand how to get. Can you please explain more? I arrived with this equation, -P1A1 - P2A2 (cancelled since atmos. Pres.) +Fh = rho A1v1 (v2-v1) Why did P1A1 disappear in your solution? How did you come up with (v1 - - v2) ? What is the control volume? Why did you not do a summation of forces is equal to change in momentum but instead go immediately to getting the horizontal force acting on the bolt?The thermal conductivity of a fluid is 0.09 BTU/ft-h-F having a kinematic viscosity of 0.0215 ft2/h. If the density and specific heat at constant pressure are 53 lbm/ft3 and 0.43 BTU/lb-F, respectively, determine the Prandtl number. Correct Answer: 5.44 ± 0.11. Energy consumption in a country from 2001 to 2011 increased from 1041.3 million to 1526.1 million BOE (barrels of oil equivalent). If the high calorific value (HHV) of the oil is 141,000 kJ/gallon what is the increase in energy consumption over 10 years in Joule units. What is the rate of energy consumption per year? 2. Based on data on the rate of energy consumption per year from question no. 1, if the growth rate energy 2.5% per year, calculate the doubling time (td) and what is the approximate rate of energy growth in 2021.
- η =2gr^2(ps−pl)/ 9v State the value of the viscosity and error on the value obtained in your experiments. Youshould show the formula derived for calculating the error on viscosity. pl (density of liquid)= 1294.164 ps ( density of solid sphere)= 8404 kg/m^3 v= 0.0479 +- 1.16x10^-3 m/s r= 0.0024325m error for radius is 1.65 x 10^-3 all values are in si units.The Ideal gas law shows the relationship between some common properties of ideal gases and is written as PV = nRT. P = pressure, V = volume, n = number of moles of ideal Gas, R = General gas constant = 8.314 kJ/(kmol.K) and T = absolute temperature. 5 mol ideal gas at 22°C is placed in a cube with edge lengths of 0.750 meters. Calculate the pressure of the Ideal gas as [Pa].Atmospheric pressure can be reported in several ways. At sea level the average atmospheric pressure is 15 lbs/sq in, or 101.3 kPa, or 760 mm Hg, or 1 atmosphere. Since all of these are equal, you can easily convert from one to the other. For example, if your tire pressure is 32.0 lbs/square inch, you can determine the kilopascals in the following manner: 32.0 lb/sq in X 101.3 kPa / 15 lbs/sq in = 216 kPa. Now, find the pressure in mm Hg of a container that has a pressure of 9.92 atm. mm Hg
- The barometer can be used to measure ground clearance on aircraft. At a time when Ground Control reports the barometer pressure as 0.753 mHgS, the pilot's Barometer shows a value of 0.690 mhgs. Which of the following is the plane's ground clearance? Average density of air 1.2 kg/ m3, gravity acceleration 9.8 m/s2 and Mercury density 13600 kg/m3 Please select one:a. 646 mb. 750 mс. 714d. 818 mComplete the following table for refrigerant-134a. Show your work and explain how you got your values. T (oF) P psia) h (Btu/Ibm) X Phase description 80 78 15 0.6 10 70 180 129.46 110 1.0Study the table to the right and then answer these questions by filling in the blank columns in the table.1. Convert the miles per gallon figures in the table tokilometers per liter (kpl).2. How many liters (and how many gallons) of gasolinewould each type of car use annually if it were driven19,300 kilometers (12,000 miles) per year?3. How many kilograms (and how many pounds) of carbon dioxide would be released into the atmosphereannually by each car, based on the fuel consumptioncalculated in question 2? Assume that the combustion of gasoline releases 2.3 kilograms of CO2 per liter(19 pounds per gallon).