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 / praveen kumar gupta
1. Star/Delta Type of transformer connection is preferred
in case of power supply transformers.
2. In a power transformer usually Low Voltage winding is
closer to the core
3.The power factor of a purely inductive load is Lagging
| Is This Answer Correct ? | 2 Yes | 4 No |
Post New Answer View All Answers
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?
write down the formula of cable size in RM if current is 50Amp.
how can i use REF and diffrencial relay both in 1 CT core for transformer protection?
what is meant by impedance & transient protection?
What technology is used in latest generators?
I want the details about BHEL company examination.Can anyone able to help me please.
what are the condition that makes hooter blow?
What is formula calculation size cable wire ?
how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?
What is a Phase shift meter? Where can I get one?
What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?
Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?
what is the difference between vector scale and vector diagram?
How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?
What is an order of a system.