Engineering, 13.03.2020 19:45 nauticatyson9
The surface tension of a liquid is to measured using a liquid film sus-pended on a U-shaped wire frame with a 9 cm long movable side. If the force neededto move the wire is 0.045 N, determine the surface tension of this liquid in air
Answers: 2
Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
Engineering, 04.07.2019 18:10
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 18:20
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
Engineering, 04.07.2019 18:20
Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.
Answers: 2
The surface tension of a liquid is to measured using a liquid film sus-pended on a U-shaped wire fra...
Computers and Technology, 23.06.2021 21:20
Mathematics, 23.06.2021 21:20
Geography, 23.06.2021 21:30
Mathematics, 23.06.2021 21:30
History, 23.06.2021 21:30
English, 23.06.2021 21:30
Mathematics, 23.06.2021 21:30
History, 23.06.2021 21:30
Mathematics, 23.06.2021 21:30