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The symmetric cable and pulley arrangement shown is used to lift a fragile architectural stone beam. If the only significant mass in the system is the 800 kg mass m of the beam, determine the forces in cables ACB and CDE.
A gas in a piston-cylinder undergoes a Carnot power cycle. The gas expands and compresses isothermally between two reservoirs at 600 K and 300 K. Determine a) the thermal efficiency, b) the percent change in the thermal efficiency if i) the hot reser..
Using MATLAB Simulink, set up the negative feedback system of and find the value of the gain
a cylinder whose mass moment of inertia i 12 kg.m2 is rotating at angular velocity of 500 rpm. a constant moment of m
Circuit boards are manufactured on sheets and tested. On average, there are 3 defects per sheet. What are the chances of 10 defects on a given sheet, no defects on a sheet, and more than 1 defect on a sheet?
Enter the data into a spreadsheet. and construct a standard-additions plot of the data.
a frictionless piston-cylinder device fitted with stops above the piston contains 1.2 kg of air at 200degc and 700 kpa.
A steam turbine has an inlet of 2 kg/s water at 1000 kPa, 350oC and velocity of 15 m/s. The exit is at 100 kPa, x = 1 and very low velocity. Find the specific work and the power produced.
A cylindrical S-950 alloy specimen is under a tensile stress test. The specimen is 975 mm long. If the tensile stress is 300 Mpa and temperature is at 730C. What is the total elongation after 4 hour steady state operation? Assume the total of both in..
True or False - To make sure that the pump delivers as much fluid to the motor as possible, the volumetric efficiency of the pump is usually lower than its mechanical efficiency.
Select a suitable belt and, ignoring the elongation at fitting but using the guide mass/unit length, calculate the power transmitted if the maximum permissible tension is 1kN and the coefficient of friction is 0.25 if the motor rotates at 1450rpm
steam enters an adiabatic turbine steadily at 3 mpa and 400 degree c and leaves at 50 kpa and 100 degree c. if the
1750g of air performs an expansion work of 3100kJ on the surrounding as it expands horizontally to a pressure of 63000 kPa and a volume of 0.065 cubic meters. Find the temperature of air and its initial volume
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