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A Carnot heat engine receives heat from a reservoir at 900C at a rate of 800 kJ/min and rejects the waste heat to the ambient air at 27C. The entire work output of the heat engine is used to drive a refrigerator that removes heat from the refrigerated space at -5C and transfers it to the same ambient air at 27C. Determine (a) the maximum rate of heat removal from the refrigerated space and (b) the total rate of heat rejection to the ambient air.
electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 0.2m.
Determine the total heat transfer and the total work(kj). and show the T-V diagram.
a pump fitted with 50mm bore ball bearings uses an oil whose viscosity ranges from 100cst at cold pump start-up to
a small experimental rocket which has a mass of 70 kg is accelerated at a rate of 6 ms2. determine the total force
what is the maximal attainable speed of a bullet in m/s?
derive the intersection coordinates for the first quadrant for the following curves a- modified goodman with langer
there is truss that is an upsidown triangle with two twenty degree angles and is hooked up to four members with pin
the rigid body shown above is made of a solid truncated cone and solid hemisphere joined together at the bases of the
an air-standard diesel cycle operates with a compression ratio of 18. at the beginning of the compression process the
steam expands in a turbine steadily at a rate of 25000 kgh entering at 6 mpa and 450degc and leaving at 20 kpa as a
a turbine produces 2 mw of power while accepting steam at 3 mpa and 400 c and rejecting steam at 50 kpa and 100c. find
a construction crew lifts about 560 lb of material serveral times during the day from a flatbed truck to a 32 foot
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