If the per unit leakage impedance for the primary of a transformer is – McqOptions

MCQOPTIONS

1.	If the per unit leakage impedance for the primary of a transformer is x on the given rated base value. If the voltage and volt-amperes are doubled, then the changed per unit impedance will be ___________
A.	0.5x
B.	2x
C.	4x
D.	x
Answer» B. 2x

Discussion

No Comment Found

Related MCQs

If the pu impedance of a single phase transformer is 0.01+j0.05, then its regulation at p.f. of 0.8 leading will be?
If the pu impedance of a single phase transformer is 0.01+j0.05, then its regulation at p.f. of 0.8 lagging will be?
A 200/400 V single phase transformer has leakage impedance z= r+jx. Then we can expect zero voltage regulation at power factor of ___________
The transformer phasor diagram under the short circuit can be identified by?
Identify the phasor diagram for the zero voltage regulation from the below diagrams.
Identify the phasor diagram for the negative voltage regulation from the below diagrams.
While estimating voltage regulation of a transformer, keeping ___________
The voltage regulation for transformer is given by ___________
If the per unit leakage impedance for the primary of a transformer is x on the given rated base value. If the voltage and volt-amperes are halved, then the changed per unit impedance will be ___________
If the per unit leakage impedance for the primary of a transformer is x on the given rated base value. If the voltage and volt-amperes are doubled, then the changed per unit impedance will be ___________