Engineering, 31.10.2019 04:31 maryd316
Abalanced y-connected load having an impedance of 60 - j45ω/ϕ is connected in parallel with a balanced δ-connected load having an impedance of 902√∠45∘ ω/ϕ. the paralleled loads are fed from a line having an impedance of 2 + j2ω/ϕ. the magnitude of the line-to-line voltage of the δ-load is 240 3√ v.
Answers: 3
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Engineering, 04.07.2019 18:10
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
Answers: 3
Engineering, 04.07.2019 18:20
Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k
Answers: 2
Abalanced y-connected load having an impedance of 60 - j45ω/ϕ is connected in parallel with a balanc...
Geography, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
History, 14.07.2020 01:01
Biology, 14.07.2020 01:01
Biology, 14.07.2020 01:01
Computers and Technology, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
Mathematics, 14.07.2020 01:01
English, 14.07.2020 01:01
Geography, 14.07.2020 01:01