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we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor
947QUANTUM BIOLOGY - EXAMPLE 33.5 : (a) In the measurement of the number of photons received by a plant during photosynthesis, quantum meter is used. At 8 AM, 11 AM, 12 PM, 2 PM and 4 PM of the same day, the measured readings of the meter are 10, 70, 60, 120 and 120 units. Find the mode, median and min of the readings of the quantum meter. (b) Microtubule is used to carry information in a cell. If the cross-sectional area of the microtubule has a diameter of 25 nanometers, find the volume of the microtubule of 1 nanometer in height. State the assumption of calculation.
1 1286A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.
911While calculating the weight of the steel per running meter, the formula used is [(dxd)/162]. Why 162 is used in denominator & how it is derived?
ARS,
1125In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?
958can we choose current transformer secondary, to calculate residual flux in a power transformer, so as its saturation is close to the saturation level of power transformer?
883QUANTUM BIOLOGY - EXAMPLE 33.6 : The time to maintain quantum coherence in a biological system is t. Let t = k / (MT) where k = constant, M = mass, T = temperature. For living farm animals, normal rectal temperatures ranges for pig and goat are 38.7 - 39.8 and 38.5 - 39.7 in degree Celsius respectively. Let a pig has a mass of 100 kg and a goat has a mass of 300 pounds. (a) Find the mass of goat in the unit of kilogram, when 1 pound = 0.4536 kg. (b) Find t (p) / t (g) for living animals when t (p) = t for pig and t (g) = t for goat. (c) State the assumption of your calculation in question (b).
1 1378
How to test IR testing & magnetic balance test
We have drive feeding an output contactor for a 5000 hp motor @ 5kV application. The motor FLA is 629amps x 1.25% service factor = 786.25 amps The cable that we current have in place between the drive and the output contactor is 350kcmil- MV-105 (parallel cables). Per the NEC table 310.60 (C) (69). This show the cable ampacity is at 615 amps per cable for a rating of 1230 amps. We have derated the cable for the cable tray and the multiple cables application and our calculations show that after the correction factor factor we are at 922amps. 1230 amps x .75% correction factor factor = 922.5 amps. The customer is driving us to then use another safety factor of .25% off of the already derated cable. Can you please provide a longhand calculation for your solution on this application?
How many types of resistor are there in diode?
what's the defiance between T beam and inverted beam.
What are carbides?
Explain the congressional space medal of honor?
Any body know when the medicals are starting for the BSI P.O , if anybody got any call letter please let me know
What is difference between ASME EN & IS related welding procedures(WPS/PQR/WPQ)
What school did you attend in engineering?
What is a combinational circuit?
How does a tank-blanketing valve operate?
Plz send previous gate ece question papers with answers of 10 years to my email id .My id is seenu469@gmail.com .Thank u sir
i want to know fire safety factory purpose .. does fire mauual call point requires hooter or mcp has inbuilt siren...???
what is the necessity of floating bearing?
What is happening when paint dries?
