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A piston-cylinder assembly contains 1kg of water, initially occupying a volume of 0.5m^3 at 1bar. Energy transfer by heat to the water results in an expansion at constant temperature to a final volume of 1.694m^3. Kinetic and potential energy effects are negligible. For water (a). Show the process on a T-v diagram. (b) evaluate the work in kJ and (c) evaluate the heat transfer in kJ.
Assume they test null hypothesis H0: versus H1: Will the engineers decide to use the steel if H0 is rejected? Will the engineers decide to use the steel if H0 is not rejected?
Air at the rate of 18 kg/s is drawn into the compressor of a jet engine at 55 kPa and -23oC and is compressed reversibly and adiabatically to 276 kPa. Determine the required power input to the compressor expressed in horsepower.
What methods are used to achieve low levels of corrosion by oxygen in boiler feed water? What measurements are essential to ensure that this is done satisfactorily, and what types of measurement could be used?
a 2 kg block of wood rest on the table top. A 7g bullet is shot straight up through a hole inthe table beneath the block. the bullet lodge in the block and the flies 25 cm above the table top. how fast was the bullet going initial?
a triangular field with vertices opq has sides op=402m,pq=388m,and qo=254m. find the perpendicular distance from the vertex p to the opposite side.
Given that the nominal diameter (per print) is 15.00mm +/-0.10mm, what can be said about the expected defect rate?
How many kilograms each of pearlite and the proeutectoid phase form? Schematically sketch and label the resulting microstructure.
Computer programs and other software (including Web Pages like this one). This includes graphics and icons and the like, which may also be "graphic works". OK, my work is on the list. How do I copyright it?
hot air is contained in a vertical frictionless piston-cylinder device.the piston has a mass of 4 kg and a
A train accelerates uniformly along a straight track and passes three trackside markers. The distance between the first two markers is equal to 0.25 km and between the second and third the distance is 0.4km
Hollow shaft transmitting power with shear limits. Design a hollow steel shaft to transmit 300 hp at 75 rpm without exceeding a shear tress of 8000 psi. Use 1.2:1 as the ratio of the outside diameter to the inside diameter.
Determine the velocity of the airplane required for pilot to experience weightlessness at the top of the circular path.
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