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Question 1- Find the forces in members AB & BC for the system shown.
Question 2- The composite steel and brass rod shown is attached to unyielding supports with no initial stress at 25°C. Determine the stress in each segment when the temperature is reduced to -5°C. For steel, Est= 210 GPa, and αst = 12 X 10-6/°C, and for brass, Ebr= 100 GPa and αbr = 19 X 10-6/°C.
Question 3- Three short posts of equal length support the 100 KN rigid concrete block shown. Determine (a) the stress in each post and (b) the temperature decrease that will relieve the aluminum post of any stress. For steel, Est= 210 GPa, and αst = 12 X 10-6/°C, and for aluminum, Eal = 70 GPa and αal = 23.4 X 10-6/°C.
a solid circular shaft and a tubular shaft both with the same outer radius of cco 0.600in are being considered for a
Please complete the following tasks to obtain the equations of motion of this machine. Draw a free body diagram of the handle/dipper combination. You may assume that this is one rigid body. Assign a coordinate system of your choosing
two perfectely black squares 10 ft x 10 ft are spaced 20 feet apart. what is the net rate of heat exchange between them
A block is L = 1 [m] long and h = 0.5 [m] tall and weighs 50 [N]. The box is allowed to rotate about point A. A rope is attached to the upper left corner. This rope makes a θ=40° angle from the horizon. A horizontal force of 30 [N] is applied at th..
a gas contained in a cylinder goes through 2 processes in series. first from 1 to 2 is constant pressure compression 50
The flow around a model of a turbine blade is investigated. The model is five times larger than the prototype. A maximum pressure of 4 psi is measured at the leading edge, a maximum velocity of fps is measured near the top of the blade, and a small d..
initially an insulated rigid tank contains 3.73 kg of water at 240oc and 1 mpa. a heater in the wall of the tank
Outdoor air leaks into a building through cracks in the walls at the rate of 700 m3/h (this is infiltratation). The outside air is at a temperature of -16.1C and a humidity ratio of 0.001 kgv/kga. The density of the outside air is1.4 kg/m3. The indoo..
a state runs a lottery in which 6 numbers are randomly selected from 40 without replacement. a player chooses 6 numbers
two 150lb engineering students a and b intend to jump off the bridge from rest using an elastic cord bungee cord having
A solid round aluminium rod (made of 6061-T6) has a mean yield strength Sy = 40.0 ksi with standard deviation of 4.0 ksi, the rod is to be subjected to a mean static axial load of P = 25 kip with a standard deviation of 2.5 kip.
Get rock grinding machine price work as long as possible for you. when the hardness of the material is big, try to choose a larger diameter steel ball.
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