1
GATE EE 2006
MCQ (Single Correct Answer)
+1
-0.3
A $$400$$ V, $$50$$ Hz, three phase balanced source supplies power to a star connected load whose rating is $$12\sqrt 3 $$ kVA, $$0.8$$ pf(lag). The rating (in kVAR) of the delta connected (capacitive) reactive power bank neccessary to bring the pf to unity is
A
$$28.78$$
B
$$21.60$$
C
$$16.60$$
D
$$12.47$$
2
GATE EE 2006
MCQ (Single Correct Answer)
+1
-0.3
The concept of an electricity short, medium and long line is primarily based on the
A
Nominal voltage of the line
B
Physical length of the line
C
Wavelength of the line
D
Power transmitted over the line
3
GATE EE 2005
MCQ (Single Correct Answer)
+1
-0.3
The insulation strength of an EHV transmission line is mainly governed by
A
Load power factor
B
Switching over-voltages
C
Harmonics
D
Corona
4
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
The phase sequence of the $$3$$-phase system shown in figure is GATE EE 2004 Power System Analysis - Parameters and Performance of Transmission Lines Question 76 English
A
RYB
B
RBY
C
BRY
D
YBR
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