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
- 10419 Views
- CECRI_Central_Electrical_Research_Institute, I also Faced
- E-Mail Answers
Answer Posted / koti
1. Star / Star
2. Low Voltage Wdg
3. Zero (Cos 90=0)
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?
why swinburnes test cannot be performed on series machines?explain
What are the factor to be consider for CT selection in 132kV substation?
whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?
What is the function of NER and NET?
can mini-curcuit supply MIL-tested transformer !
what are the advantage and dis-advantage of 3 phase 4 wire energy meter?
What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.
can any one know is sbi interview based on merit or based on roll number
Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?
why the voltage and current in a long transmission line are called travelling wave?
pls someone send me sample question papers along with the key.thanks in advance
What are protections for dty type transformers
why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?
