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what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?
1085Question 64 – According to a heuristic of chemical engineering plant design, assume a pressure difference dP = 4 psi for each 10-ft rise in elevation. A pump is needed to pump liquid from a storage tank at a lower elevation to a heating tank at a higher elevation with the elevation difference of 60 ft. (a) Find the pressure loss due to such elevation. (b) If the required minimum inlet pressure to the heating tank is 9 psi, with 1 control valve is installed between pump and heating tank, what is the dP minimum required for the control valve and the entrance to the heating tank when the heuristic mentions that at least 10 psi is required for the control valve? (c) The pressure at the inlet of the pump is 8 psi and the flowrate of the liquid produces pressure head of 50 psi. What is the total pressure produced by the pump? (d) Assume a pipeline dP of 2 psi / 100 ft for liquid flow in a pipe according to heuristic, what is the approximate maximum length of the pipe in ft that can be installed between the pump and the heating tank?
1 1944which material is suitable for punching press to avoid scratches amd waear of metal hittimg the blades?
1196750kva 11/415kv transformer having percentage impedence is5.64%. 11KV HV whose current 39.37A and 415V LV whose current 1043.43A.resistance is 2.5ohm. find no load loss and full load loss?
2 2228I have 30 kw motor load & i have selected 10 kvar capacitor bank for power factor improvement.my existing p.f is 0.85 & proposed p.f is 0.99 so ,is it right selection? 2 nd question how to connect c.bank whether in delta or star connection & how to decide it?
1 2177if my load is not in continuous operation so what type of panel is required APFC or fixed capacitor bank without APFC whether C.T is required in both cases compulsory? explain detail
1 1759
What are advantages using hollow shaft impeller?
What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )
what is difference between isolation and ultra isolation transformer?, what is the method of testing ?
What is a good estimate for the absolute roughness for epoxy lined carbon steel pipe?
Hollow block masonry in cement mortar 1:4, 40×20×20cms in superstructure take 10sqm.I want calculation of brick sand
ANY ONE USED/INTERFACED CITECT VERSION 6.0/1 OR 7.0/1 TO SIEMENS S7-300 OR S7-400 CONTROLLER IF PLEASE TELL ME THE COMMUNICATION STRUCTURE AND ADDRESS CONSIDERATION FOR DI,DO,AI,AO please mail the details lok_pallapolu@yahoo.com Ph:09247513753 hyderabad
please guide me who to prepare for bel interview...
how to calculate stiffners position and size in transformer design
ht side line to earth voltage
how to calculate the conductor size for certain KV transmission line and distribution line?
what is difference between window type and wound type transformers?where we will use window type and wound type transformers?
ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com
Define consumer textile?
How to Calculate The sag of OPGW in Transmission Line???
what is PID control in VFD drives?
