Engineering, 22.08.2019 22:20, Lesquirrel
Aman releases a stone (at rest, vo=0) from the top of a tower. during the last second of its travel, the stone falls through a distance of (9/25)h, where h is the tower's height. find h. acceleration due to gravity, g=9.8 m/s². assume no air resistance.
Answers: 2
Engineering, 04.07.2019 18:10, jadeochoa4466
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10, lillygrl100
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
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
Aman releases a stone (at rest, vo=0) from the top of a tower. during the last second of its travel,...
Mathematics, 17.06.2020 21:57
Mathematics, 17.06.2020 21:57
Mathematics, 17.06.2020 21:57
Computers and Technology, 17.06.2020 21:57
Mathematics, 17.06.2020 21:57
History, 17.06.2020 21:57
Mathematics, 17.06.2020 21:57