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
- 10431 Views
- CECRI_Central_Electrical_Research_Institute, I also Faced
- E-Mail Answers
Answer Posted / guest
in power supply transformers star delta conn. is prefered
| Is This Answer Correct ? | 3 Yes | 5 No |
Post New Answer View All Answers
What is the effect of positive feedback on the stability of the systems?
What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.
What are the protection required for Transformer, motor, Line, Generator, capacitor, that all i have to refer which standard?(Like Transformer detail IS 2026)
where we use the SFU & FSU?
what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.
at which voltage level arcing ground is occurs ??????????
Can a generator runs after getting 1st stator earth fault.
why single CT used in DOL starter power circuit?
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?
Give some differences between open loop and closed loop control systems.
hi this is hema can anyone mail me previous years questions for the APPSC-A.E.E (in electrical stream.) ......thank u.
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
What will be the effect if I use inverter as UPS mood?
What is a diode?
what is positive , negative & zero equivalent system resistance
