Suppose that P=2.8 kN and P₂ = 2.1 kN. (Figure 1) Figure P₁ 1.70 m 0.8 m B m H P₂ -2m m 1 of 1 15m ▼ FCP= -0.5630 O Part C μA FCD= Submit Previous Answers Request Answer Submit X Incorrect; Try Again; One attempt remaining 2 1 17 μA KN Determine the force in member CD of the roof truss. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. -2.3406 4 P → KN ? 20 Previous Answers Request Answer ?

Suppose that P=2.8 kN and P₂ = 2.1 kN. (Figure 1) Figure P₁ 1.70 m 0.8 m B m H P₂ -2m m 1 of 1 15m ▼ FCP= -0.5630 O Part C μA FCD= Submit Previous Answers Request Answer Submit X Incorrect; Try Again; One attempt remaining 2 1 17 μA KN Determine the force in member CD of the roof truss. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. -2.3406 4 P → KN ? 20 Previous Answers Request Answer ?

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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1. A cylinder tankhas a maximum load of 2600 kg while the pressure is 2600 kpa. If the ultimate stress is 55 000 kpa and a factor of safety is 4.5, calculate the required wall thickness of the cylinder. Choose the correct answer below and show complete solution: a. 18.34 mm b. 14.38 mm c. 13.48 mm d. NOTC 2. A spherical tank has a diameter of 12 m, if the tangential stress of the tank is 18 Mpa, determine the maximum internal pressure of the tank can carry if the wall thickness is 25 cm. Choose the correct answer below and show complete solution: a. 150 kPa b. 15000 kPa c. 1500 kPa d. NOTC 3. A cylindrical tank has an inside diameter of 6-in and is subjected to an internal pressure of 600 psi. If the maximum stress is 1300 psi, calculate the required thickness. Choose the correct answer below and show complete solution: a. 0.1385 in. b. 0.3185 c. 0.8135 d. NOTC
– The weight is suspended from structural A–36 steel alloy and 2014-T6 aluminum alloy wires, eachhaving the same initial length of 10 ft and cross-sectional area of 7×10–3 in2 (Figure Q1). If the weight is increasedgradually, determine which wire yields first? Explain which material model and yield criterion you will use? Justifyyour choices
Design the spigot (in tension and compression) of the spigot and socket cotterjoint which is subjected to alternate tensile and compressive loading of 50 kN usingthe following data:Yield strength of cotter material SYS = 400 N/mm2, Factor of safety = 4 (for spigot)Assume thickness of cotter, t = 0.30d, where d is the diameter of the rod.
Why is is that when I compute for the diameter, the answer is 7.9706? How was 13.22 obtained? Bartleby link for solution: https://www.bartleby.com/questions-and-answers/a-steel-rod-is-stretched-between-two-rigid-walls-and-carries-a-tensile-load-of-5000-n-at-20c.-if-the/5c99ed3b-d083-41be-a905-b15aa3bc8648
A ladder with a uniform cross-section has a length of 4.80-foot long. It weighs W Ib. It is arranged such that one end is on the ground and the other against a vertical wall. The angle of triction at all contact surtaces is 20 degrees. What is the value of the coefficient of triction? What is f, in terms of variable Na? What is the normal force at A in terms of variable W? Answer in three decimal places
Topic: MACHINE DESIGN A submersible cylinder used in research has a cylindrical pressure hull of outside diameter 3.0 m and a wall thickness of 150 mm. It is constructed of an aluminum alloy, having a yield point of 450 MPa. Determine the tangential stress, in terms of MPa, in the cylindrical portion of the pressure hull whenthe vehicle is at its operating depth of 5500 m below the surface of the sea. Consider sea water to have a specific weight of 104 N/m3
Consider the truss shown in (Figure 1). Suppose that P1= 45 kN and P2= 80kN. Determine the force in member and state if the member is in tension or compression. AB AE BC BD BE CDDE Express your answer to three significant figures and include the appropriate units. Use negative value in the case of compression and positive value in the case of tension.
Axial loads are applied with rigid bearing plates to the solid cylindrical rods shown. The normal stress in aluminum rod (1) must be limited to 20 ksi, the normal stress in brass rod (2) must be limited to 24 ksi, and the normal stress in steel rod (3) must be limited to 12 ksi. Determine the minimum diameter required for each of the three rods. Assume P = 8 kips, Q = 5 kips, R = 20 kips and S = 28 kips. Calculate F1, F2, F3 and..
A stepped circular bar having diameters of 20 mm, 15 mm, and 10 mm over axial lengths of 100 mm, 80 mm and 60 mm is subjected to an axial tensile force of 5 kN If E= 100 GPa and ν= 0.32 for the material of the bar determine: Total change in length. Change in each diameter.
The 10-mm-diameter steel bolt is surrounded by a bronze sleeve in (Figure1). The outer diameter of this sleeve is 20 mm, and its inner diameter is 10 mm If the yield stress for the steel is (σY)st=610MPa, and for the bronze (σY)br=490MPa(, determine the magnitude of the largest elastic load P that can be applied to the assembly. Est=200GPa, Ebr=100GPa.
Two solid bars support a load P as shown. Bar (1) has a cross-sectional area of A1 = 4850 mm2 and an allowable normal stress of 150 MPa. Bar (2) has a cross-sectional area of A2 = 4750 mm2 and an allowable normal stress of 140 MPa. Assume x1 = 2.2 m, x2 = 3.4 m, y1 = 1.1 m, and y2 = 2.7 m. Determine the maximum load Pmax that can be supported by the structure without exceeding either allowable normal stress.Answer: Pmax = Enter your answer in accordance to the question statement kN
For the truss given below, it is desired to determine the normal efforts that act on the members, so that, thus, possible constraints for its design are possible. Consider that at point A there is a second gender support; and at point D, a first-class support. As this is asked: what is the effort acting on bar AB? Is it guidance or assessment?Source: Hibbeler (2004, p. 588). HIBBELER, R. C. Resistance of Materials. 5. ed. Rio de Janeiro: Technical and Scientific Books Publisher, 2004. Question 1 options: a) A compression force of 100 kN acts on bar AB. B) A tensile effort of 100 kN acts on bar AB. c) A compressive force of 141.42 kN acts on bar AB. d) A compression force of 200 kN acts on bar AB. e) A tensile effort of 141.42 kN acts on bar AB.