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A 200 mm diameter sight window on the wall of a furnace is losing heat at a rate of 1500 W. If the furnace is at 1200 °C and the surrounding room is at 30 °C, determine the rate of exergy destruction (kW) through the window?
An 8-kg plunger is released from rest in the position shown and is stopped by two nested springs; the constant of the outer spring is k1 = 4 kN/m and the constant of the inner spring is k2 = 12 kN/m. If the plunger is released from the height
20 kg of water at 200 kpa with a quality 25 is heated under a constant volume process until its pressure reaches 400
Determination of the open-loop system
water flowing in a horizontal 30 cm diameter pipe at 5 ms and 300 kpa gage enters a 90o bend reducing section which
The piston is now unlocked so it is free to move, and it conducts heat so the air comes to a uniform temperature . Find the mass in both A and B, and the final T and P.
calculate the static thrusts of the rocket and turbojet engine described in the figure. the thrust t is the force
A Pitot-static probe connected to a water manometer is used to measure the velocity of air. If the deflection (the vertical distance between the fluid levels in the two arms) is 7.3 cm, determine the air velocity. Take the density of air to be 1.2..
what are the four basic families of shape-production processes? Cite one advantage and one limitation of each family.
two 415000-lb locomotives pull 41 205000-lb coal hoppers. the train starts from rest and accelerates uniformly to a
The desire is to raise the temperature of the ambient air from 60 degree F to 350 degrees F ---- I need to calculate the amount of steam energy in BTU's per minutes and lbs of steam per minute necessary to accomplish the increase in air temperatur..
a cylindrical bronze sleeve 2 is held in compression against a rigid machine wall by a high-strength steel bolt 1 as
the entire assembly is placed in an environment whose temperature is 200c. determine the volume of chamber 1 when thermodynamic equillibrium has been estabilished.
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