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A 25 cm long glass fiber (E = 72.2 GPa, v = 0.25) has a fracture strength of 75 MPa. What is the minimum diameter of a fiber that can support a 10 kg load? What is the elongation of the fiber under this load?
Design Engineering: Find Specific Load and Heat Generated Per Minute, A load of 6400 Kg is carried by a journal rotating in a 270 mm bearing diameter and 400 mm long. Find the specific load on the bearing and the heat generated per minute in the b..
Calculate the change in internal energy of the gas. Remember it is an ideal gas in a constant temperature bath.
an engine block with a surface area measured to be 0.90m2 generates a power output of 55 kw with a net engine
consider a one-dimensional plane wall with constant properties and uniform internal generation qdot. the left face is
Fireclay brick of dimensions 0.06 m x 0.09 m x 0.20 m is removed from a kiln at 1600 K and cooled in air at 40oC with h=50 W/m2/K. What is the temperature at the center and at the corners of the brick after 50 minutes of cooling?
Consider a supersonic wind tunnel with test section Mach number of 2 and fixed geometry diffuser designed to operate with minimum stagnation pressure losses (smallest diffuser area).
an elastic exercise band is grasped and then is stretched. knowing that the tension in portion de of the band is 70
You are asked to measure the rate at which waste gases are being discharged from a stack. The gases entering contain 2.1 % carbon dioxide. Pure carbon dioxide is introduced into the bottom.
the vertical motion of mass a is defined by the relation x10sin2t15cos2t100. determine a the position velocity and
The compression strength of Kevlar 49 fiber is about one-eight of its tensile stress. Estimate the smallest diameter of a rod on which 12 um diameter Kevlar fiber can be wound without causing kinks on its compression side.
A 90-N force is applied to the control rod AB as shown. Knowing that the length of the rod is 225 mm, determine the moment of the force about point B by resolving the force into horizontal and vertical components.
a sealed cylindrical vessel of 60 cm diameter and 80 cm height contains 3.2 kg of a gas. the pressure measured with a
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