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The truss ABCD shown in the figure is loaded by a vertical force P at joint Band by a horizontal force P at joint C. The axial rigidity of every member is EA. Determine the vertical displacement δc of joint C. (Hint: Add a vertical load Q at joint c.)
The disk rotates about the shaft S, while the shaft is turning about the z axis at a rate of vz = 4 rad>s, which is increasing at 2 rad>s2. Determine the velocity and accelera
Determine the required average blade angle at the exit of the impeller if the pump is to deliver 0.57 m3 /s of water with a theoretical head rise of 2.85 m. The rotational s
Also calculate the mean temperature of reception of heat in the boiler and use this in conjunction with the condenser temperature to evaluate the thermal efficiency. Explain
What are the percentages of the total heat absorption taking place in the economizer, boiler drum and the superheater, respectively? Assume cp of air and water as 1.005 kJ/k
1. Briefly cite the differences between pearlite, bainite, and spheroidite relative to micro structure and mechanical properties. 2. What is the driving force for the formatio
Determine the cutting force F applied by the blade DE to the bar at G in terms of the force P applied to the handle of the heavy-duty cutter. Assume that the cutting force F
A 17-tooth 20 normal pressure-angle helical pinion with a right-hand helix angle of 30 rotates at 1800 rev/min when transmitting 4 hp to a 52-tooth helical gear. The normal di
It is known that a long log floats with its axis horizontal. A very short log, however, floats with its axis vertical. Determine the maximum length of a cylindrical walnut log
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