Q1:-which of the following statement is correct in case of single phase transformer ?
1.in this a varying current appears in primary winding that creates varying magnetic flux in transformer's core
2.it creates varying magnetic field in secondary winding that induces electromotive force (EMF) or voltage
3.it carries inductive coupled conductor
4.all of the above
Q3:-Nodal analysis applies to
1.KVL & ohm's law
2.KCL & superposition
3.KVL & superposition
4.KCL & superposition
ANSWER:-2
ANSWER:-4
1.in this a varying current appears in primary winding that creates varying magnetic flux in transformer's core
2.it creates varying magnetic field in secondary winding that induces electromotive force (EMF) or voltage
3.it carries inductive coupled conductor
4.all of the above
ANSWER:-4
Q2:-the surge impedance of over head transmission lines range from
1.30 to 60 ohms
2.300 to 600 ohms
3.2500 to 6500 ohms
4.10000 to 40000ohms
ANSWER:-2
Q3:-Nodal analysis applies to
1.KVL & ohm's law
2.KCL & superposition
3.KVL & superposition
4.KCL & superposition
ANSWER:-2
Q4:- in a DC machine how are the computing pole winding connected
1. In series with shunt winding
2. Parallel to the shunt winding
3. In series with the armature winding
4. Parallel to the armature winding
1. In series with shunt winding
2. Parallel to the shunt winding
3. In series with the armature winding
4. Parallel to the armature winding
ANSWER:-3
Q5:- which of the following winding is connected in series with armature winding of DC machine
1. Series winding
2. Auxiliary series winding
3. Compensating winding
4. Communicating on winding
1. Series winding
2. Auxiliary series winding
3. Compensating winding
4. Communicating on winding
ANSWER:-4
No comments:
Post a Comment