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Steam in a piston-cylinder assembly undergoes a polytropic process with n=2 from an initial state where P = 500 psia and specific volume of 1.701 ft3/lb to a pressure of 100 psia determine the final state and the change in enthalpy.
A 7 kg cylinder is attached to a series of two springs in the attached illustration. If the cylinder is released from rest - when the springs are both un-stretched - determine the maximum stretch in each spring.
an insulated system is divided into 2 parts by a partition . one part of the tank contain 2.5 kg of compressed liquid
As shown, a 130 lb bungee jumper wants to jump from the top of a 655 ft high bridge and be able to just touch the water below. Given that the bungee cord has a spring constant of 2.33 lb/ft, what should the bungee cord's relaxed length, l, be for ..
the net contents in ounces of canned soup is a random varialbe with probability distribution fx 4x-11.75 11.75 lt x lt
determine the number of vehicles needed to satisfy the indicated deliveries per hour? Assume that availability = 0.90.
in a system a lever needs and effort of 200n to lift a load of 350n. the end of the lever arm moves 50cm and the load
an engine block with a surface area measured to be 0.90m2 generates a power output of 55 kw with a net engine
Draw the shear force diagram for the beam and determine the position and magnitude of the maximum bending moment.
A circular shaft is subjected to a torque Ta and a bending moment Ma. Assuming that the diameter of the shaft is d, determine the expressions for the principal stresses and maximum shear stress in terms of Ma, Ta and d.
Calculate the specific heat capacities of the gas at constant volume and constant pressure, the initial pressure of the gas and the change in volume of the gas when it was heated at constant pressure.
the piston has a mass of 4kg and cross-sectional area of 35cm^2. A compressed spring above the piston exerts a force of 60N on the piston. if the atmospheric pressure is 95kPa, determine the pressure inside the cylinder.
if the u.s. fleet of vehicles suddenly became 15 more fuel efficient how much annual emissions of co2 would that
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