Interested to Buy Any Domain ? << Click Here >> for more details...
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.
- 9 Answers
- 12917 Views
- CECRI_Central_Electrical_Research_Institute, I also Faced
- E-Mail Answers
Answer Posted / pkv
deta /star transformer is used in case of power supply
trnaformer
| Is This Answer Correct ? | 11 Yes | 3 No |
Post New Answer View All Answers
A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram
Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?
why we permissive overreach in distance protection.where it is applicable to use in long r short lines
Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?
Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.
DC transmission
why the value of k is more in shell typr transformers?
Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????
volts=230 c=10mf a=??
Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.
will there be any problem by recovering slip from single phase induction motors?
What are the main faults of DC generators?
how to electrically make connection to ferroli GN2N?
How many kw will suply from one db
What are hrc fuses and where it is used?
