two transformers of the same type, using the same grade of iron and conducting

two transformers of the same type, using the same grade of
iron and conducting material, are designed to work at same
flux and current densities, but the linear dimension of one
are two times of the other in all respects. The ration of
kVA of the two transformer closely equal to................?
options: 16, 8, 4, 2

Question Posted / hemanth kumar sornapudi

2 Answers
14006 Views
Vizag Steel, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

two transformers of the same type, using the same grade of iron and conducting material, are desig..

Answer / jaydeep dobhal

Considering linear dimensions of one are K time then
(KVA)new=K^4(KVA)old

(KVA)new= 16 times of KVA old

Is This Answer Correct ?

29 Yes

5 No

two transformers of the same type, using the same grade of iron and conducting material, are desig..

Answer / 7anoter4

According to Rudolf Richter “Electric Machines” vol III
Transformers the rated apparent power will be n^2 times this
of the smaller dimensions [So]:
Sn=n^2*So that means for twice in dimensions the rated could
be 4 times the rated of the smaller.

Is This Answer Correct ?

17 Yes

28 No

Post New Answer

More Electrical Engineering Interview Questions

i asked a funny question in Electrical ohms law V=IR in const temp voltage is directly proportional to current Power p=VI cos@ in that formula Voltage is indirectly proportional to current Try to give me the fact what is happening in Electrical.. contact Thanigai_1984@yahoo.co.in

3 Answers

How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?

0 Answers

Is pure capacitor load and pure inductor load is an linear load? pls justify

2 Answers

Write a note on Treatment for electric shock.

0 Answers

what would the resistance of a 110v 150w submersiblepump motor windings be

1 Answers

Earth bits close or open. Which is correct

0 Answers

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

0 Answers

what is the generation action and motoring action?

3 Answers

What do you understand by avr?

0 Answers

Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

0 Answers

wht is this amps in power consuption and how can we convert that into consuption hours ? i am a sales executive of a energy saving lamps .

5 Answers KSEB,

define excitaton voltage and excitation current?

2 Answers Allied Group,

For more Electrical Engineering Interview Questions Click Here