Semiconductor strain gauges find their primary application in the construction oftransducers, such as load cells and pressure transducers. Why do measuringinstruments manufacturers usually use semiconductor strain gauges even thoughthey are significantly more expensive than metallic strain gauges? Name two prosand two cons of these strain gauges compared to metallic strain gauges.ParagraphBALato (Recom...19px... vT+ v</>

1) Semiconductor strain gauges are commonly used in the construction of transducers like load cells…

Answered: Semiconductor strain gauges find their…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Problem 1: (50 points) In Avengers 2, Captain America's improved shield is made from unobtainium, a new material that will soon be available in a store near you. Unobtainium has the normal stress- strain diagram shown. The proportional limit, the elastic limit and the yield point are identical in this material. o [MPa] 2001 175 150 125 100 Fig.1 Normal stress-strain 75 50 25 0 0. 0.05 0.1 0.15 0.2 0.25 Unobtainium has a Poisson's ratio of 0.3. a. [6pts] Identify the yield point oy, the ultimate stress ou and the fracture stress of. Include units. c. [25pts] A bar of unobtainium has a length of 1.5 m, a width of 100mm and a height of 50 mm, as shown. The cross-sectional area is 50mm 100mm = 5 x 10-³m². The bar is subjected to an axial force of 375 kN. Find the normal stress in a cross-section of the bar. b. [5pts] How do you find Young's modulus from this graph? Find its value with units. whesta fins dus al hoss P = 375 KN 1.5 m 0.3 50 mm 100 mm & [mm/mm] Is the material within its…
Strain gauges Wire strain gauge. A strain num-iridium wire of length 1 m and diameter 0.1 mm, used to sense strain on an antenna mast due to wind loading. Calculate the change in resistance of the sensor per pro-mil strain (1 pro-mil is 0.001 or 0.1% strain). 6.1 gauge is made in the form of a simple round plati-
A cheap accelerometer, probably worth the price, can bemade from a U-tube as in Fig. . If L = 18 cm andD = 5 mm, what will h be if a x = 6 m/s 2 ? Can the scalemarkings on the tube be linear multiples of a x ?
. 2) A following figure and table display creep test data obtained from a uniaxial specimen having an initial gauge length of 2 cm. Calculate the steady-state creep rate. Length |(cm) 2.3 Time | (h) 2.25 2.004 2.2 100 2.010 200 2.020 400 2.030 1000 2000 2.045 2.075 2.1 2.05 4000 2.135 6000 2.193 7000 2.230 1.95 8000 2.300 1000 2000 3000 4000 5000 6000 7000 8000 Time (h) (rupture) | Length between the gauge marks (cm) 2.
A metallic strain gauge produces an electrical resistance change when subjected to mechanical strain. However, engineers don't measure this voltage drop directly using a voltmeter. Why don't we directly measure the voltage drop across the strain gauge, and instead, use a Wheatstone Bridge? Damgraph >
Saturated steam at 99.6 °C is heated to 350°C. Use the steam table provided to determine: a. The required heat input if 1 kg of steam undergoes the process in a variable-volume constant-pressure container. b. The work of expansion (in kJ) of the steam undergoing the process. C. The required heat input if a continuous stream flowing at 1 kg/s undergoes the process at constant pressure. d. Does your numeric answer to part c equal the sum of parts b and a? Explain why or why not. Given: 1 bar = 10 N/m4, Q= AH, Q = AU, AA = AÛ + PAV, table B.7 in kJ/kg and m/kg.
Lab 2-Measurement Asynch - Tagged.pdf Page 4 of 7 ? Part I: Taking Measurements & Estimating Uncertainties for a single measurement www.stefanelli.eng.br The mass of the object is_ 0 i Parts on a tripie peam palance 0 0 10 20 30 1 100 2 3 40 200 4 +/- 50 60 70 5 300 7 400 80 Qv Search 8 90 9 500 100 9 10 g www.stefanelli.eng.br
During the tensile test, experiment on a sample of mild steel, data represented in the figure below was obtained with an initial diameter (do) of 0.505 inch. At failure, the reduced diameter (d;) of the sample was 0.305 inch. Gauge Length (Lo) is 2 inches and final Gauge Length (L) is 2.625 inches. Answer the questions below: Us TR 70- 60 - Lo LyP *IR 50 - EL PL: proportimal limit EL Elastic limit UXP = 4pper yield point Lyp : Lower us : uiti mated streagth IR : Indicanteed Strengty Rupture TR: True strength Ruptue 40 AL or 8t P 30 **PL (proportimal limt) Direct strain E strain (in/in) aStress Iblinz (esi) 0.003. ogo o-200
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Which of the following is the unit for electrical conductivity? Select one: O (Q-m) -1 O (Q-mm) O m/S O Q-m In a stress strain curve of mild steel, the elastic limit will be before the limit of propor ype here to search 99+ hp fs 米 f5 f6 f7 1- f8 fg & 7 V 3 6. 8. 9/6 4+ %24 %23
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viscosity Pas 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 a) Do you think the sample in this graph is Newtonian, Shear-thinning, Shear-thickening? Upload a graph to support your answer. This Sample is _shear-thinning_ Viscosity against shear rate 0 2 4 6 shear rate 1/s 8 10 12 viscosity Pas 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 0 Viscosity against shear rate 2 4 6 shear rate 1/s 8 10 b) Do you think this sample has a yield stress? Input your estimate for the yield stress in mPa (If you think it does not have a yield stress, this value should be zero.) 12

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