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A cooling tower is used to reject 1,000,000 Btu/hr from the condenser of a refrigeration system. Determine the water and air flow rates necessary to maintain a condenser leaving temperature of 100 F as the ambient temperature varies between 60 and 100 F at a relative humidity of 50 %. The tower approach is 10 F and the air outlet state is 90 F and saturated. Draw some conclusions from your analysis
a heat pump operates on the ideal vapor compression refrigeration cycle with r-134a as the working fluid. the load on
Calculate the diameter of the initial circular blank. Calculate the total effective strain at the top of the cup from rolling, drawing, redrawing, and ironing.
Determine the resulting change
A cold air-standard Brayton refrigeration cycle has a pressure ratio of 4 and a refrigeration rate of 15 kW. Air enters the compressor at -7oC. The high pressure air is cooled to 27 oC by rejecting heat to the surroundings. It is further cooled to -1..
Unit BE1405 - Advanced Materials Technology - Composite Materials and Material Performance - Explain the strengths and limitations of thermosetting and thermoplastic resins in a composite material. Refer to specific resins in your answer and includ..
the fastest that anyone has gotten to the top of a local mountain elevation change of 4479 ft is 32 minutes. assume a
one mole of an ideal gas at t 25 degc is held in a cylinder by a piston at a pressure of 1 x 107 n m-2. the piston
consider condenser in a vapor power plant in which steam from the turbine is condensed to saturated liquid by rejecting
a rectangular bar is used as a beam carrying a concentrated load of 5500 lb at the middle of its 60 inch length. the
the diameter of the hollow core of a solid propellant grain remains axially uniform during burning. its length is 5 m
argon at 2mpa and 500oc enters an isentropic turbine. the temperature of argon at the outlet is 20oc. determine the
why does necking occur during a tensile test? use your knowledge of engineering stress and strain to explain the
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