Topic :: Copper





Copper Interview Questions
Questions Answers Views Company eMail

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

1536

what is the meltng point of copper?.

1 2805

what size of copper busbar use for 11kv 630A

ABB,

3 9158

How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar

2 6726

what are iron and copper losses

4 15747

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a campus site?

2 4057

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

Focus,

2 8495

If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

Focus,

1 3986

Technical requirement of Copper earthing over GI earthing.

1 5299

why copper is a bad conducter at low temperature?

1432

if the transformer at full load have a iron loss =900w and copper loss = 1600w . what percent of the load will the transformer has a maximum efficiency?

3 15672

caurren capacity calculator of Copper and aluminium wire

1718

resistivity of copper

1 2681

Is copper tube withstand under hard water say as 500 TDS.And is it cleanable by solfamric acid or by tube brushing

Cadila,

1826

what sq.mm copper pvc wire need for ac load current 25amps for 230v ?

Khadamat, Siemens,

4 6547




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