1
GATE EE 2009
MCQ (Single Correct Answer)
+2
-0.6
Match the items List-$${\rm I}$$ (To) with the items in List-$${\rm II}$$ (Use) and select the correct answer using the codes given below the lists.

List-$${\rm I}$$
$$A.$$ improve power factor
$$B.$$ reduce the current ripples
$$C.$$ increase the power flow in line
$$D$$ reduce the Ferranti effect

List-$${\rm II}$$
$$1.$$ shunt reactor
$$2.$$ shunt capacitor
$$3.$$ series capacitor
$$4.$$ series reactor

A
$$a \to 2,\,\,b \to 3,\,\,c \to 4,\,\,d \to 1$$
B
$$a \to 2,\,\,b \to 4,\,\,c \to 3,\,\,d \to 1$$
C
$$a \to 4,\,\,b \to 3,\,\,c \to 1,\,\,d \to 2$$
D
$$a \to 4,\,\,b \to 1,\,\,c \to 3,\,\,d \to 2$$
2
GATE EE 2008
MCQ (Single Correct Answer)
+2
-0.6
A lossless transmission line having Surge Impedance Loading $$(SIL)$$ of $$2280$$ $$MW.$$ A Series capacitive compensation of $$30$$% is emplaced. Then $$SIL$$ of the compensated transmission line will be
A
$$1835$$ $$MW$$
B
$$2280$$ $$MW$$
C
$$2725$$ $$MW$$
D
$$3257$$ $$MW$$
3
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
The total reactance and total susceptance of a lossless overhead $$EHV$$ line, operating at $$50$$ $$Hz,$$ are given by $$0.045$$ pu and $$1.2$$ pu respectively. If the velocity of wave propagation is $$3\,\, \times \,\,{10^5}$$ km/s, then the approximate length of line is
A
$$122$$ $$km$$
B
$$172$$ $$km$$
C
$$222$$ $$km$$
D
$$272$$ $$km$$
4
GATE EE 2007
MCQ (Single Correct Answer)
+2
-0.6
$$230$$ $$V$$ (phase) $$50$$ Hz, three-phase, $$4$$-wire, system has a sequence $$ABC$$. A unity power-factor load of $$4$$ kW is connected between phase A and neutral $$N$$. It is desired to achieve zero neutral current through the use of a pure inductor and pure capacitor in the other two phases. The Value of inductor and capacitor is......
A
$$72.95$$ $$mH$$ in phase $$C$$ & $$139.02$$ $$\mu F$$ in Phase $$B$$
B
$$72.95$$ $$mH$$ in Phase $$B$$ & $$139.02$$ $$\mu F$$ in Phase $$C$$
C
$$42.12$$ $$mH$$ in Phase $$C$$ & $$240.79$$ $$\mu F$$ in Phase $$B$$
D
$$42.12$$ $$mH$$ in Phase $$B$$ & $$240.79$$ $$\mu F$$ in Phase $$C$$
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