1
GATE EE 1995
MCQ (Single Correct Answer)
+1
-0.3
The surge impedance of a $$400$$ km long overhead transmission line is $$400$$ $$\Omega $$. For a $$200$$ km length of the same line, the surge impedance will be
A
$$200$$$$\Omega $$
B
$$800$$ $$\Omega $$
C
$$400$$ $$\Omega $$
D
$$100$$ $$\Omega $$
2
GATE EE 1994
MCQ (Single Correct Answer)
+1
-0.3
In a $$400$$ kV network, $$360$$ kV is recorded at a $$400$$ kV bus. The reactive power absorbed by a shunt reactor rated for $$50$$ MVAR, $$400$$ kV connected at the bus is
A
$$61.73$$ MVAR
B
$$55.56$$ MVAR
C
$$45$$ MVAR
D
$$40.5$$ MVAR
3
GATE EE 1993
MCQ (Single Correct Answer)
+1
-0.3
A three phase overhead transmission line has its conductors horizontally spaced with spacing between adjacent conductors equal to 'd'. If now the conductors of the line are rearranged to form an equilateral triangle of sides equal to 'd' then
A
Average capacitance and inductance will increase
B
Average capacitance will increase and inductance will increase
C
Average capacitance will increase and inductance will decrease
D
Surge impedance loading of the line increases
4
GATE EE 1992
MCQ (Single Correct Answer)
+1
-0.3
The selection of size of conductors for a distributor in a distribution system is governed by
A
Corona loss
B
Temperature rise
C
Radio interference
D
Voltage drop
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