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1. A 1 2 -in.-diameter steel rod projects 2 ft horizontally from a concrete wall. Calculate the maximum bending stress due to a vertical load of 12 lb at the free end. Neglect the weight of the rod.
2. Calculate the maximum bending stress in a W530×101 steel beam that spans 13 m on simple supports and supports two equal concentrated loads of 54 kN each. The loads are placed at the third points. Include the weight of the beam.
Describe the construction of a boiler for burning pulverised coal. Explain how this design optimises the temperature, turbulence and time required for good combustion. What are the main emissions from this type of plant, and how can they be reduce..
water at 300 kpa with a quality of 50 has a temperature raised 20oc in a constant pressure process. what is the new
If at the instant shown the hoop is in the x-y plane and the angle u = 45°, determine the velocity and acceleration of the particle at this instant.
The system shown below is deflected in compression by 6 = 0.014 in. For individual components 1, 2 & 3 find the axial stress in individual component
a piston-cylinder device with a piston surface area of 0.1m2 is initially filled with 0.05m3 of air at the local
A 10-lb block has an initial velocity of 10 ft/s on a smooth, horizontal plane. A force, F = (2.5 t) lb, where t is in seconds, acts horizontally on the block in its direction of motion. Determine an expression for the distance, s in terms of time, t
Pumped hydroelectric costs about $500 per kW to install your turbomachinery and penstocks, plus $2 per cubic yard to build reservoirs. Calculate the initial capital cost of your pumped hydroelectric system.
what are the two possible arrangements for a concentric tube heat exchanger? for each arrangement what restrictions are
water is the working fluid in a regenerative rankine cycle with one closed feedwater heater and one open feedwater
Consider a piston-cylinder assembly containing 10kg of water. Initially the gas has pressure of 20 bar and occupies a volume of1.0 m3. Under these conditions, water does not behave as an ideal gas. System now undergoes a reversible process in which i..
The barrel and tube are filled with water (to the top of the tube). Calculate the ratio of the hydrostatic force on the bottom of the barrel to the gravitational force on the water contained in the barrel. Why is that ratio not equal to 1.0? (You ..
A balloon behaves so the pressure is P = C2V1/3, C2 = 100 kPa/m. The balloon is blown up with air from a starting volume of 1 m3 to a volume of 3 m3. Find the final mass of air assuming it is at 25oC and the work done by the air.
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