solve all 3 1. (4 points) You apply a force of 10-lbs onto a A36 steel specimen using the measurementslisted below. Calculate the strain applied to this specimen.b = 6 inh-2 inx = 8 in2. (2 points) As an engineer working in a power plant you are tasked to select thetemperature probes to measure the temperature of the main steam. At this plant, mainsteam temperature ranges from 990°F-1005°F at full output.What type of thermocouple probe would you select and why?3. (4 points) The time constant for a thermal system is t = 2. Calculate the rise time and thecomplete response for the thermal system.

For the thermal system with a time constant (τ) of 2 seconds:Rise time: Around 4.6 seconds (system…

Answered: 1. (4 points) You apply a force of…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Engineering stress and strain are calculated using the actual cross-sectional area and length of the specimen. True or false?
To determine the nominal or engineering stress and strain experienced by a specimen of a material while it is subjected to a tension test, and to be able to read important values from a conventional stress-strain diagram obtained from the test.A tension test is being conducted on a steel-rod specimen with a gauge length of L0=2 in and initial diameter of d0=0.5 in. Data were collected to form the conventional stress-strain diagram as shown. From the diagram, f = 73.0 ksi , e = 101.0 ksi g=83.0ksi, and h=0.15in/in Part A - Nominal or engineering strain in the rod Assuming that the strain remains constant throughout the region between the gauge points, determine the nominal strain ε experienced by the rod if it is elongated to L = 2.5 in . Express the nominal strain in inches per inch to three significant figures. Part B - Nominal or engineering stress in the specimen Assuming that the stress is constant over the cross-sectional area and if the tension force used is P = 8.0 kips ,…
-Which of the following statement/s is NOT true?Strain is dimensionlessThe cross-sectional area affected by the rivets in a plate is πdtStrain is the total deformation of the body divided by its original length.Shear stress is directed parallel to the area upon which it acts. -Which statement is NOT true about ksi? *Kilo (psi).1000 lb1 x10^3 psi.1 x10^3 lb. -Tensile stresses and strain are considered:negative tensile stress and positive lengthnegative increase in lengthpositive increase in lengthpositive tensile stress and negative length
Strain energy due to direct stresses
stress-strain behavior for the brass specimen shown in Figure 6.12, determine the following: (a) The modulus of elasticity (b) The yield strength at a strain offset of 0.002 (c) The maximum load that can be sustained by a cylindrical specimen hav- ing an original diameter of 12.8 mm (0.505 in.) (d) The change in length of a specimen originally 250 mm (10 in.) long that is subjected to a tensile stress of 345 MPa (50,000 psi)
To determine the nominal or engineering stress and strain experienced by a specimen of a material while it is subjected to a tension test, and to be able to read important values from a conventional stress-strain diagram obtained from the test. A tension test is being conducted on a steel-rod specimen with a gauge length of L0=50 mm and initial diameter of d0=13 mm. Data were collected to form the conventional stress-strain diagram as shown. From the diagram, f = 506 MPa , e = 689 MPa , g = 585 MPa , and h = 0.146 mm/mm . A) Assuming that the strain remains constant throughout the region between the gauge points, determine the nominal strain ε experienced by the rod if it is elongated to L = 53.0 mm . B) Assuming that the stress is constant over the cross-sectional area and if the tension force used is P = 16.0 kN , find the nominal stress experienced by the rod. C)Determine the force P needed to reach the ultimate stress in the steel-rod specimen.
Engineering strain is also known as a. Couch strain b Cauchy strain c. Pascal strain d. Hooke strain
What strain will be produced by a stress of 80 x 106 N/m2, for a given modulus of elasticity 200GPa. a. 0.0008 b. 0.0004 c. 0.004 d. 0.002
Stress Strain-Behavior A specimen of aluminum having a rectangular cross section 10 mm × 12.7 mm(0.4 in.× 0.5 in. ) is pulled in tension with 35,500 N (8000 lbf) force, producing onlyelastic deformation. Calculate the resulting strain.
Question 1 In the strength of material, the section of the body involved is taken into consideration unlike the mechanics of materials. What is the force applied to a material divided by the area? a. normal strain b. normal stress c. strength d. shear stress e. external force Question 2 An 5.40 meter steel bar is loaded with a tensile load of 250 KN, determine the diameter of the steel bar if the elongation is limited to 4.8mm and E = 200 GPa. Choose the nearest answer. a. 42.50 mm b. 45.00 mm c. 90.00 mm d. 37.20 mm e. 105 mm
8) Which of the following stress strain curve shows an elastic behaviour to very high strain rate a. cast iron b. Mild steel c. glass d. rubber
Question 2 2. A cord has original length of 100 cm is pulled by a force. The change in length of the cord is 2mm. Determine the strain!

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