1. which type of transformer connection is preferred in
case of power supply transformers?
(A) Star/Star
(B) Delta/Delta
(C) Star/Delta
(D) Zig Zag/Star
2. In a power transformer usuall which winding is closer to
the core?
(A) Primary winding
(B) Secondary winding
(C) Low Voltage winding
(D) High Voltage winding
3. The power factor of a purely inductive load is
(A) Zero
(B) Lagging
(C) Leading
(D) Unity.

Answer Posted / gaurav agarwal

1. star/delta
2. secondary winding

Is This Answer Correct ?    3 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

3596


What is meant by vector group

1985


although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

1528


I'm looking for a mnaual set for a Teradyne J750. Softcopy would be preferred but I'll take what I can get.

1759


If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

1502






I need bhel electrical test pattern & paper

1405


What are diffrent type of road taxes?

1479


What is the necessary condition for stability.

736


Please explain me abt PQ diagaram in the power sector.

1933


how 650 volts creates? where is use?

1750


what is the vvvf in the dumbwaiter?? or lift. what is the actual process?/

1620


How to calculate the no of Ceiling fan (1200mm sweep) per unit area?

1391


what is conductor copnstant of ab cable

1334


What is the function of RCBO? What are the different sensitivity ratings & each application?

2149


Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors

1458