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An air-conditioning system operating on the reversed Carnot cycle is required to transfer heat from a house at a rate of 727 kJ/min to maintain its temperature at 21°C. If the outdoor air temperature is 39°C, determine the power required to operate this air-conditioning system. Report your answer in [kW] and round your answer to the second decimal places.
if the diameter of a manufactured axel is described by a normal distribution with an average of 1.35 cm with a standard
consider two types of steady-state expansionthrottling devices for ammonia 1 a rigid valve amp 2 a turbine that is used
chemical civil and mechanical engineers must often determine the power required to pump a fluid through a series of
The diameter of the tube is 13 cm and its length is 60 m. Determine the overall heat transfer coefficient of this heat exchanger using (a) LMTD and (b) -NTU method.
a major automotive company is considering an agreement with a small manufacturer whereby it would be required to make
Describe when each type of failure occurs: direct tension, direct compression, column buckling, direct shear, torsional shear stress, bending stress
a new high- temperautre alloy is to be used for a 3-mm diameter tensile support member for an impact-sensistive
packages enter the 10ft chute at a with a speed of 4ftsec and have a 0.3g acceleration from a to b. if the packages
a system executes a power cycle while receiving 800 kj by heat transfer at a tem-perature of 1600 k and discharging 120
a new containment vessel for nuclear waste is being tested by a group of engineers working for the u.s. department of
A six-cylinder, four-stroke, 4.5-L compression-ignition engine operates on the ideal diesel cycle with a compression ratio of 17. The air is at 95 kPa and 55oC at the beginning of the compression process and the engine speed is 2000 rpm. The engine u..
Water at 200KPa with a quality of 25%has it temperature raised to 20degrees celcius in a constant pressure process. What is the new quality and volume?
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