Topic :: Copper





Copper Interview Questions
Questions Answers Views Company eMail

What is the weight per meter (Kg/m)of 0.5mm dia copper 10 pair,50 pair and 100 pair,200 pair,500pair telephone cables?

1856

What is the weight per meter (Kg/m)of 0.5mm dia copper 10 pair,50 pair and 100 pair,200 pair,500pair telephone cables?

1778

is it possible to minimize the copper loss?

Coal India, TATA,

2 5015

why the transformer neutral earthing is to be done by copper flat only,if we use GI flat what is the disadvantage.

2 7374

What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

1500

how can i prevent the backfire occurrence in copper shaft furnaces?

2025

How to calculate amount of copper used in a motor (AC&DC), generator and transformer? Datasheet provides power rating and mass of the equipment....can we somehow use this available info.

1 3285

what is ratio of copper wire size and current ?

1373

why we use copper earthing for neutral while for body GI.

Chennai Metro Rail Limited CMRL, Valeo Lighting Systems India Private Limited,

1 5056

A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is vd. If the diameter of wire is made d/3, then drift velocity becomes

1 6039

Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

CMET,

2150

How to melt the solidified copper accretions in copper scrap melting furnace?

2282

why Copper loss is represented as I square R ?

L&T,

5 10404

Why do we twist copper to make cable?

Bhel, Integrated, MR Cables,

3 4947

Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

2501




Related Topics


Un-Answered Questions { Copper }

How to Decide(calculate) Bush bar size for copper and aluminiam ?

1694


What is the rating factor for copper cable ( Specific value according to the type of laying ) & the voltage drop?

1422


HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?

1575


What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

1917


How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

1491






what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

2321


how to avoid electrical shock how capacitor store charges wat are the speed control of induction motors state faradays law flemings left hand rule what is rotary converter wat is transmission and distribution what are the sources of energy abrevation of acb,vcb,sf6,igbt what is output equation of transformer which test copper iron and iron loss are calculated what is eddy current draw a single line diagram (10 marks) draw direct online starter(10 marks)

1449


What is the current carrying capacity of 0SWG,3SWG,10 & 12 SWG solid bare overhead copper conductors?

2966


what is the current density of copper & alluminium.

1510


What is the formula to calculate the size of Aluminium and copper cable?

1468


Why do we use copper cable for HT Supply and why not Aluminium?

1536


How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

4960


why copper is a bad conducter at low temperature?

1432


caurren capacity calculator of Copper and aluminium wire

1718


What is Icu and Ics and what is difference b/w them. please tell me how to calculate a size of a copper bar for a system or a breaker... reply on... king.arish@gmail.com would be waiting for a logical answer.

1942