Engineering, 09.11.2019 18:31 eddiecas
1.you are planning to buy a new couch for your family room. before you leave for the furniture store, you measure the available space and conclude that the couch should be between 5' - 10" and 6' - 8" long. at the store you find a couch that you like. the specification sheet on the couch indicates that that the couch is 78 inches long.
Answers: 2
Engineering, 04.07.2019 18:10, soreese02
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
Engineering, 06.07.2019 03:10, tyheath42
Steel balls 12 mm in diameter are annealed by heating to 1150 k and then slowly cooled to 400 k in an air att 325 k and h -20 w/m2 k. assume the properties of the steel to be k- 40 w/m k, p 7800 kg/m3, and cp 600 j/kg k. a. determine whether lumped system method can be used to analyze this problem and if so why" b. determine the time required for the cooling process. c. determine the total amount of heat lost from each ball to the ambient air
Answers: 1
1.you are planning to buy a new couch for your family room. before you leave for the furniture store...
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