Problem 8.37 from Ferdinand Beer Bar AB is attached to collars that can slide on the inclined rodsJ45°45°shown. A force P is applied at point D located at a distance a fromend A. Knowing that the coefficient of static friction m, betweeneach collar and the rod upon which it slides is 0.30 and neglectingthe weights of the bar and of the collars, determine the smallestvalue of the ratio a/L for which equilibrium is maintained.DA

Answered: Image /qna-images/answer/5dd1a3d2-3a7a-49b1-83bb-7ee94c2a42f2.jpg

Answered: Bar AB is attached to collars that can…

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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6.8 Suppose that a cast Al-1 wt% Si alloy, contains equilibrium Si particles 1 µm in diameter. This alloy is to be heat treated by first putting all of the Si particles back into solution. (a) Draw a set of schematic curves indicating what will happen during this process. Temperature °C (b) Indicate the initial conditions, the final conditions (once a new equilibrium is reached) and the boundary conditions during dis- solution. (c) Estimate how long the alloy should be held at 550°C so as to ensure that all of the Si is dissolved. Al-Si 1500 1300 1100 900 700 500 300 660.452°C 0 -(A1) 10 AI 12.6 10 20 20 30 30 Atomic Percent Silicon 40 50 Thom L 60 Them 577+1°C 40 50 60 Weight Percent Silicon 70 70 80 80 90 90 100 1414°C (Si)- 100 Si
Down sprue is designed to deliver the molten metal cast iron having density of 8000 kg/m3 having a mass flow rate of 10 kg/s. height of sprue is 200 mm and height of pouring basin is 60 mm a. Find out flow rate of molten metal b. Area of ingate
What will be the surface roughness x of the product due to the compressibility of the oil in the cylinder of the rectilinear hydraulic motor (PCH) of the copier if the pressing force fluctuates due to the unequal hardness of the material in the range Fmin = 720 N to Fmax = 865 N? The diameter of the PČH cylinder is d = 25 mm, the volume in the cylinder and the supply line is V0 = 55 cm3, the compressibility coefficient of the oil Bp = 4.58*10-10 Pa-1.
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Materials, properties and testing Describe the effect compression testing have on thermal, electrical, physical and mechanical properties of carbon fibre.
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