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


Please Help Members By Posting Answers For Below Questions

what is meant by flywheel and its role in retardation test

1966


How one can check the MAIN of a house wiring ?

1458


For RCD (Residual current device) Icu is defined. How i can find Ics for them?

1603


How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

1815


What is meant by Load Encroachment in OHL Feeder Protection?

3107






what are the specifications we must look at to select a relay for any capacity motor?

1572


what is the difference between general inverter and solor inverter clerly explain plz

1669


how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

594


Mention the difference between Analogue and Digital circuit?

683


According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.

3695


WHAT IS THE MEANING OF BALANCED / UNBALANCED IN STABILIZER TYPES.

1969


while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

1447


How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

1580


What is hipot test procedure?

1010


dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

1512