HCAS123 - Pronunciation List 2 DEF 23

As shown in figure a Pepsi can and a plastic Pepsi bottle. Describe how they were manufactured

Thermodynamic

What is the VOC (volatile organic matter) content in lb/gal of a paint that has a 37% wt of organic volatiles and a specific gravity of 1.8?

. Oil drilling rigs are used for drilling holes for identification of oil or natural gas sources and for extraction.An oil drilling system can be thought of as a drillinside a straw, which is placed inside a glass. Thestraw assembly represents the drill string, the drillsurrounded by fluid, and the glass represents thevolume, the annulus, around the drill string throughwhich slurry and eventually oil will flow as the drillingprogresses.Assume that we want to control the drill pressure output, Pd (t), with a reference voltage input,Vd (t). A control loop model (Zhao, 2007) consistsof a drill-pressure controller, drill motor subsystem,pulley subsystem, and drill stick subsystem. Theoutput signal of the latter, the drill pressure, Pd (t),is measured using a transducer, which transmits anegative feedback voltage signal, Vb(t), to the drillpressure controller. That signal is compared at theinput of the controller to the reference voltage, Vr(t),Based on the error, e(t) = Vr (t) – Vb(t),…

State true or false 1. The critical radius of insulation for a cylinder is given by h 2. In transient heat conduction, the two significant dimensionless numbers are Biot number and Fourier number. 3. As the thickness of the plane wall increases, the rate of heat transfer decreases. 4. In two concentric black cylinders, if 1 represents the outer surface of the inner cylinder of diameter d, and 2 represents the inner surface of the outer cylinder of diameter d2, then d, F22 is given by d2 5. The temperature distribution along a fin with insulated tip is given by e - mx

⦁ “God himself could not sink this ship” This is an advertisement for the Titanic, produced in the early 1900s. However, after colliding with an iceberg at dawn on April 15, 1912, two rivers were formed, and out of the 2,200 people on board, 1,500 people, including the captain, sank with the ship. According to a later investigation, the “temperature change theory” (DBTT theory) was the most promising cause of the sinking. Give a brief guess of the cause of the ship's sinking in relation to temperature.

rod-fleet02-xythos.content.blackboardcdn.com/5e0164771d151/9050980?X-Blackboard-Expiration=1645941600- | D Page view A Read aloud |O Add text Draw Name: Banner ID: 1) In Gotham City, the departments of Administration (A), Health (H), and Transportation (T) are interdependent. For every dollar's worth of services, they produce, each department uses a certain amount of the services produced by the other departments and itself, as shown in Table 1. Suppose that, during the in Health services, and $0.8 million in Transportation services. What does the annual dollar value of the services produced by each department need to be in order to meet the demands? year, other city departments require S1 million in Administrative services, $1.2 million Table 1 Department A H. T $0.20 0.10 0.20 0.10 0.10 0.20 Buy H. 0.40 0.30 1. 0.20

1. In the operation of an internal combustion engine, the combustion gases expand in volume to make thepiston move. As this occurs ___________ gas particles move in the same direction as the motion of thepiston. Select the most correct phrase to go into this blank from these choices: A all theB almost all of theC very few of theD about half of the 3. What does the Second Law of Thermodynamics say about how much work can be done by a heat engine?Answer this in terms of either the heat added to the engine (Qh) or the heat expelled by the engine (Qc).

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Newton's Law of cooling states that the rate at which heat is lost by a heated body is proportional to the difference in temperature between the body and the surrounding medium. Match the following statements/phrases with the corresponding item in the drop down box. Choices in the box 1. In accordance with the stated law obove, we have the equation? 2. If a thermometer is taken outdoors where the temperoture is 5 deg C, from a room in which the temperature is 20 deg C and the reading drops 10 deg C in one minute, the working equation is? 3. In the obove problem, separoting the variables and integrating will result to? 4. In the obove problem, how long, in minutes, after its removal from the room will the reading be 6 deg C? 5. In the obove problem, ofter 30 seconds, whot will be the thermometer reading? 5.2 dT(body temp)/dt = k(Temp of medium - 5) dr(body temp)/dt = k(Temp of body - Temp of medium) Temp of body = Cenkt +5 2.5 13.7 dr(body temp)/dt = k(Temp of medium - Temp of body)…

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GEOLOGY (Phase Diagram). Given a certain substance (in red dot), answer the following questions and show your solution by drawing the necessary lines in the graph.  a. What is the composition of the melt at T=1650C? b. What is the composition of the melt at T=1300C (if the temperature is at 1300C)? c. What conditions are needed in order for Anorthite (An), Diopside (Di) and liquid to exist in the system?

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[Fin Array] As a means of enhancing heat transfer from high-performance logic chips, it is common to attach a heat sink to the chip surface in order to increase the surface area available for convection heat transfer. Because of the ease with which it may be manufactured (by taking orthogonal sawcuts in a block of material), an attractive option is to use a heat sink consisting of an array of square fins of width w on a side. The spacing between adjoining fins would be determined by the width of the sawblade, with the sum of this spacing and the fin width designated as the fin pitch S. The method by which the heat sink is joined to the chip would determine the interfacial contact resistance, R", t,c- Consider a square chip of width W. = 16 mm and conditions for which cooling is provided by a dielectric liquid with T = 25°C and h = 1500 W/m²-K. The heat sink is fabricated from copper (k = 400 W/m•K), and its characteristic dimensions are w= 0.25 mm, S= 0.50 mm, L; = 6 mm, and Lb= 3 mm.…

If the cooling system operates above 100 degrees Celsius how should the cooling system, cooling fans, and thermostat be tested? (80 - 100 Words)

Given a 3-ply [0/60]s unidirectional aramid/epoxy laminate with a volume fraction of 60% subjected to loads Nx = 100 N/m and Mx = 50 N m/m. Assume each ply has a thickness of 5 mm. Use the values calculated from HW #6 to determine the following: a. The three stiffness matrices [A], [B], and [D] b. The midplane strains and curvatures c. The global and local stresses and strains on the top surface of the 60° ply. d. The in-plane and flexural stiffnesses of the laminate e. Apply Tsai-Hill Failure Criterion for the top surface of the 60° ply. f. Apply the Maximum Strain Failure Criterion for the top surface of the 60° ply.

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Question 2 You are a biomedical engineer working for a small orthopaedic firm that fabricates rectangular shaped fracture fixation plates from titanium alloy (model = "Ti Fix-It") materials. A recent clinical report documents some problems with the plates implanted into fractured limbs. Specifically, some plates have become permanently bent while patients are in rehab and doing partial weight bearing activities. Your boss asks you to review the technical report that was generated by the previous test engineer (whose job you now have!) and used to verify the design. The brief report states the following... "Ti Fix-It plates were manufactured from Ti-6Al-4V (grade 5) and machined into solid 150 mm long beams with a 4 mm thick and 15 mm wide cross section. Each Ti Fix-It plate was loaded in equilibrium in a 4-point bending test (set-up configuration is provided in drawing below), with an applied load of 1000N. The maximum stress in this set-up was less than the yield stress for the…

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