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Complete the following exercises. In each case locate the state on sketches of the T-v and p-v diagrams. Four kg of water at 100degreeC fill a closed container having a volume of 1 m3. If the water at this state is a vapor, determine the pressure, in bar. If the water is a two-phase liquid-vapor mixture, determine the quality. Ammonia at a pressure of 40 lbf/in. 2 has a specific internal energy of 308.75 Btu/lb. Determine the specific volume at the state, in ft3/lb.
a 6lb ball is to be fired from rest using a spring having a stiffness of k40 lbft. determine how far the spring must be
two solid cylinders rods AB and BC are welded together at B and loaded. determine the magnitude of the force P for which the tensile stress in rod AB is twice the magnitude of the compressive stress in rod BC?
problem 1 a 10-minute experimental run shows that 75 of liquid reactant is converted to product by a half-order rate.
air flows in a round pipe at a rate of 0.015 lbmsec. the air enters the pipe at a temperature 76.8 of and a pressure
specifications call for a composite part to be made of kevlar 49 fibers in a matrix of epoxy e0.65 . if the fiber
a single unit of product a requires 2.4 minutes of punch press time and 5.0 minutes of assembly time. the profit for
a periodic torque with a maximum value of 1.0 n-m at a frequency of 5.0 rads is applied to a flywheel suspended from a
a painter is standing on a work platform that is 27 feet above ground level. for fall protection the workers safety
three kilograms of air is in a pistoncylinder keeping constant pressure at 27 celsius 300 kpa. it is not heated to
an ideal gas undergoes a thermodynamic cycle consisting of three processesprocess 1-2 isothermal compression from p1
A steel tape is used to measure a distance of 20 m at a 10 0C. Assuming that the tape will measure the true distance when the temperature is 20 0C. What would be the indicated distance at 10 0C? What would be the indicated distance at 400C?
a metal has a cubic structure with a density of 1.892 gcm3 an atomic weight of 132.91 gmol and a lattice parameter of
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