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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 ?
1574Question 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 2541which material is suitable for punching press to avoid scratches amd waear of metal hittimg the blades?
1675750kva 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 3027I 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 2830if 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 2336
Why is ignitor used in sodium vapour lamp
Hoew to represent unilateral tolerance, as Bilateral tolerance in engg drawing...? Example: 1.295 +0.000 and -0.10, as unitolerance, write the value in bilateral tolerance?
How to calculate the Harmonics losses in terms of cost/unit.
What is tri state of a signal?
Explain the difference between plc and dcs?
Explain the function of Finance Department.
What is the unit standard weight,thicknessof C.I>Pipe of various Dia upto200 MM(as per IS1538)
How to Calculate KA Rating of Main LT Panel
How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.
SIR I M STUDENT OF POWER ENGG CAN I GIV PSU XAM 4 NTPC AND WHAT WOULD B THE PROCEDURE
Explain the difference between circuit switching and packet switching?
what is package substation.how many types they have
IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)
Which is the most commonly used code for representing alphanumeric information?
Please explain what is cotton fiber?
