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1. A 1-in.-diameter steel bar is 25 ft long and balanced at the middle in a horizontal position. Calculate the distance that the ends deflect below the middle of the bar due to the weight of the bar.
2. A 102-mm nominal diameter standard-weight steel pipe is used as a simple beam with a span length of 4 m. The member is loaded as shown. Calculate the deflection at midspan.
find reaction of the block at A.all surfaces are smooth
An insulated piston-cylinder device contains 7L of saturated liquid water at a constant pressure of 175 kPa. Water is stirred by a paddle wheel while a current of 6.2A flows for 75 min through a resistor placed in the water. If one half of the liquid..
The packages are placed on the belt so that they are in contact with each other and at rest. Determine which, if any, of the packages will move and the friction force acting on each package
A piston-cylinder device contains 25 ft3 of nitrogen at 40 psia and 700°F. Nitrogen is now allowed to cool at constant pressure until the temperature drops to 200°F. Using specific heats at the average temperature, determine the amount of heat los..
Steam is used in the following adiabatic turbine system to generate electricity; 15% of the mass flow from the first turbine is diverted for other use. How much work (in kJ/h) is generated by the first turbine which is 80% efficient?
You need not consider body forces. Assume that the flow is axisymmetric and the fluid is at rest at infinity.
Calculate the number of teeth of gear and calculate the speed and direction of rotation of the arm - In the compound planetary gear train shown
Determine the illuminances (sun, sky, and ground-reflected) on a vertical, south-facing window at solar noon at 36°N latitude on June 21 and December 21 for
A structural steel bar with a 25 mm x60 mm rectangular cross section is subjected to an axial load of 160 kN. Determine the maximum normal and shear stresses in the bar.
calculate the number of vacancies per cubic meter in some metal at 689degc. the energy for vacancy formation is 0.75
A square bar of side 20mm and length 2m is under a tensile load of 400N. Then the Normal stress is _____ MPa and the Maximum Shear stress is _____ Mpa. If the modulus of elasticity is 200GPa, then net deflection of the bar is ______m and the strain i..
steam enters a 10000 hp turbine at 1600 lbfin2 and 1400 f and exits 10 lbfin2 and a quality of .9. the measured heat
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