Engineering, 11.12.2019 18:31, elias1019
A60 hz, 120 vrms generator is connected to a load that consumes 30kw of power at a power factor of cos(45) lagging. a capacitor is placed in parallel with the load to improve the power factor to cos(30) lagging. the reactive power without the capacitor is qold = 30kvar and with the capacitor qnew=17.32kvar. what is the value of c?
options:
-35 mf
-14.7 mf
-2.3 mf
0 mf
2.3 mf
14.7 mf
35 mf
Answers: 3
Engineering, 04.07.2019 18:20, 1230bering
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
Answers: 2
Engineering, 06.07.2019 04:10, christine44gordon
Amixture of gases consists of 0.4 kg of oxygen, 0.7 kg of carbon dioxide, and 0.2 kg of helium this mixture is maintained at 100 kpa and 27°c. determine: (a) the apparent molecular weight of this mixture the volume it occupies (b) the partial volume of the oxygen, and (c) (d) the partial pressure of the helium
Answers: 1
Engineering, 06.07.2019 04:10, mooneyhope24
Ir at sea level and 30°c and 50% relative humidity flows at a rate of 1 kg/s through a cooling coil that has an apparatus dewpoint of 10°c. the air leaves the coil at 15°c. determine the following: 3.1)- relative humidity of the air leaving the coil; 3.2)- moisture content of the air leaving the coil; 3.3)- sensible heat factor; 3.4)- total heat transfer rate; 3.5)- sensible heat transfer rate 3.6)- latent heat transfer rate
Answers: 1
A60 hz, 120 vrms generator is connected to a load that consumes 30kw of power at a power factor of c...
Mathematics, 29.08.2019 03:10
Mathematics, 29.08.2019 03:10
Mathematics, 29.08.2019 03:10