Examples of external data I can use to support the claim that the consumers living within regions with hot climate will buy the stainless steel pan with digital thermometer reading that is powered by the heat generated while cooking and that sales will be higher in summer.
Q: A pipe is gradually tapering in size, diminishing by 0.1 f2/ft run. What is the change in velocity…
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Q: A water pipe 8 in. in diameter gradually tapers down to 4 in. in diameter. The rate of flow is 1000…
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Q: #2 Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown…
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Q: Q.1:Answer only one from a & b: a: At a certain point in a stressed body, the stresses are o, 400…
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A: “Since you have posted multiple questions, we will provide the solution only to the first question…
Q: box ur answer
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Q: A winter air-conditioning system adds for humidification 0.0025 kg/s of saturated steam at 100 kPa…
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Q: Determine the force in each member of the truss and state if the members are in tension or…
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Examples of external data I can use to support the claim that the consumers living within regions with hot climate will buy the stainless steel pan with digital thermometer reading that is powered by the heat generated while cooking and that sales will be higher in summer.
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- Using the information in Problem 1.22, estimate the ambient air temperature that could cause frostbite on a calm day on the ski slopes. 1.22 In order to prevent frostbite to skiers on chair lifts, the weather report at most ski areas gives both an air temperature and the wind-chill temperature. The air temperature is measured with a thermometer that is not affected by the wind. However, the rate of heat loss from the skier increases with wind velocity, and the wind-chill temperature is the temperature that would result in the same rate of heat loss in still air as occurs at the measured air temperature with the existing wind. Suppose that the inner temperature of a 3-mm-thick layer of skin with a thermal conductivity of 0.35W/mKis35C and the air temperature is 20C. Under calm ambient conditions the heat transfer coefficient at the outer skin surface is about 20W/m2K (see Table 1.4), but in a 40-mph wind it increases to 75W/m2K. If frostbite occurs when the skin temperature drops to about 10C, do you advise the skier to wear a face mask? What is the skin temperature drop due to the wind?What external data can I use to support the claim that the consumers living within regions with hot climate will buy the stainless steel pan with digital thermometer reading that is powered by the heat generated while cooking and that sales will be higher in summer?Show an external data to support the claim that the consumers living within regions with hot climate will buy the stainless steel pan with digital thermometer reading that is powered by the heat generated while cooking and that sales will be higher in summer.
- The wall of an industrial kiln is built in refractory brick with 0.18 m thick, whose thermal conductivity is 1.7 W / (m.K). In steady state, the oven has a temperature of 1400 K on the inner wall and 1000 K on the outer wall. What rate of heat loss through the wall that is 1.6 m² in area? Draw a wall with a graph of temperature variation in its thickness.Question 1: In your own words, write down the differences between thermodynamic and heat transfer. (3 Marks) Question 2: Estimate the heat loss per square metre of surface through a brick wall 0.5 m thick when the inner surface is at 400 K and the outside surface is at 300 K. The thermal conductivity of the brick may be taken as 0.7 W/mK. (2 Marks) Question 3: A furnace is constructed with 0.20 m of firebrick, 0.10 m of insulating brick, and 0.20 m of building brick. The inside temperature is 1200 K and the outside temperature is 330 K. If the thermal conductivities are as shown in the figure below, estimate the heat loss per unit area. (5 Marks) 1200 K 330 K Fire brick X=0.20 m Insulating brick x=0.10 m Ordinary brick X=0.20 m k = 1.4 k = 0.21 k = 0.7 (WimK)2b. List tools which can be used to for minutes ahead forecasting? Compare the geo-thermal technologies used at different 2c. temperatures
- When The process is accorcing to a law iso thermal. takes place in a perfectly thermally b. C. insulated Cylinder. 8=1.3 Ans.[ 270 i 5.138 1g1.713 1J,52.6i,sSiky.-5.51, 219 5251g, o leg] University of Anbar College of Engineering Mechantont Englning Dpartment Year (Sophomore year) THERMODYNAMICSA Lec. No. Date: / 202 ME2303 Instructor: Asst. Prof. Dr. Saad M. Jalil hr Page Na. Q7 225 1g Ih of air at 4o% enter amixing chamber where it mixes with 540 kg /h of air at isi. Calculate the temperature of the air leaving the Chamber. assuming steady flow conditions. A ssume that the heat loss is negligible . Ans [22.4c] Q8: Aquantity of gas occupying o14n at a pressure of 1.4MNIM? and temperature of 300 č is expanded adiabatirally to 280 K Nimi Cv = 0. 74 Kg 11eg K p=1o41g ng - detennine: a. the mass of gas b. the temperature of the gas after expansion. work done during the expansion. Ans-fa-1.14 kg C. the b. ४३१ C. 180 lT ) Internal mC,(T2-T1) mC,(T2-TnnoD :s D betae u 3. Temperature Rise in a Heating Wire. A current of 250 A is passing through stainless-steel wire having a diameter of 5.08 mm. The wire is 2.44 m long and has a resistance of 0.0843 N . The outer surface is held constant at 427.6 K. The thermal conductivity is k 22.5 W/m K. Calculate the center-line temperature at steady state. evard bae 0S 008 i 4R FO Inssolve step by step and correctly. A family enters a winter vacation cabin has been unheated for such a long time the interior temperature is the same as the outside temperature (00C). The cabin consists of a single room of floor area 4m by 4m and height 3m. The room contains one 2kW electric heater. Assuming that the room is perfectly airtight and that all the heat from the electric heater is absorbed by the air, none escaping through the walls or being absorbed by the furnishing, how long after the heater is turned on will the temperature reach the comfort level of 240C.
- The TPD method measures temperature elevations in a tissue region during a heating pulse and its later temperature decay after the pulse. It is then using the Pennes bioheat equation to perform a curve fitting to determine the local blood perfusion rate. If the TPD probe is placed in the vicinity of very large blood vessel, will the TPD technique provide an accurate measurement of the local blood perfusion in the vicinity of this large blood vessel? Explain briefly. (Hint: Is the Pennes bioheat equation accurate surrounding a large blood vessel?)QUESTION 1 Estimate the sensible and latent cooling load in a building due to ventilation if a ventilation rate of 6.4 L/s per person is selected as representative of a hardware store. With 53 people, Assume: outdoor design conditions: Dry bulb - 36°C, wet bulb - 20°C; indoor design conditions. Dry bulb - 25°C, wet bulb - 16°C.Please solve both parts with handwriting please need with correct answer need awesome answer solve both handwriting i requested to u. Part6. An exposed 8 cm external diameter, 20 m long hot-water pipe at 80°C is losing heat to the surrounding (outdoor) air by natural convection. The average outdoor temperature is 5°C. The heat transfer coefficient is 25 W/m2°C. What is the heat loss by natural convection, in kW? A. 9.4 W B. 10.0 W C. 10.4 W D. 11.4 W Part7. A spherical ball with a diameter of 10 cm has an outer surface that is maintained at a temperature of 200°C. It is suspended in the middle of a room that has an average temperature of 20°C. If the surface emissivity is 0.8, determine the rate of radiative heat transfer from the ball to the room in W. (Choose the nearest value) A. 2.3 W B. 4.5 W C. 19.4 W D. 60.8 W