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Topic :: Copper





Copper Interview Questions
Questions Answers Views Company eMail

Will aluminum alloy like 380 or 356 settle? Meaning while in “liquid form” above melting point will the heavier elements like copper, fe, silicon, zinc etc. Settle to the bottom of the liquid/molten aluminum after a period.

916

Between steel, copper and brass, which conduct faster heat.

1060

Why the statue of liberty is made of copper?

1037

Why is estimation of copper done at 620 nm wave length?

1382

Which conducts heat faster steel copper or brass?

997

What is the melting point of copper?

921

What is a copper loss or i2r loss pc?

1093

We wanted to know how to impart various colors to copper wire by simply dipping them into various chemicals, formulations, etc. This copper wire is to be used by us for our hobby of making various art objects from copper wire.

1001

Can copper cause a spark?

289

What is resistance reading of earth copper rod with grid and without grid?

1095

testing formula for oxygen by ammonium chloride,ammonium hydroxide and copper

993

In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

744




Related Topics


Un-Answered Questions { Copper }

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

2074


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

1811


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

2062


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

2304


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...

1923


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

2744


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)

1917


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

3387


what is the current density of copper & alluminium.

1997


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

1903


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

1961


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.

5333


why copper is a bad conducter at low temperature?

1801


caurren capacity calculator of Copper and aluminium wire

2097


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.

2414