Engineering, 29.03.2021 18:30 oopsorry
Four lamps suspended 8m above the ground at the corners of a square of 4m side. Each lamp give 250cd uniformly below the horizontal plane. Calculate the illuminance (a) on the ground directly under each lamp (b) at the centre of the square
Answers: 1
Engineering, 03.07.2019 15:10
Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
Answers: 1
Engineering, 04.07.2019 18:10
Fluids at rest possess no flow energy. a)- true b)- false
Answers: 3
Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
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
Four lamps suspended 8m above the ground at the corners of a square of 4m side. Each lamp give 250cd...
Mathematics, 16.11.2019 11:31
Mathematics, 16.11.2019 11:31
History, 16.11.2019 11:31
Biology, 16.11.2019 11:31
Physics, 16.11.2019 11:31
Mathematics, 16.11.2019 11:31
Biology, 16.11.2019 11:31
Biology, 16.11.2019 11:31
History, 16.11.2019 11:31
History, 16.11.2019 11:31
English, 16.11.2019 11:31