1
GATE EE 1995
MCQ (Single Correct Answer)
+1
-0.3
The insulation resistance of a cable of length $$10$$ km is $$1$$ $$M\Omega $$. For a length of $$100$$ km of the same cable, the insulation resistance will be
A
$$1$$ $$M\Omega $$
B
$$10$$ $$M\Omega $$
C
$$0.1$$ $$M\Omega $$
D
$$0.01$$ $$M\Omega $$
2
GATE EE 1995
MCQ (Single Correct Answer)
+1
-0.3
The insulation level of a $$400$$ kV, EHV overhead transmission line is decided on the basis of
A
lightning over voltage
B
switching over voltage
C
corona inception voltage
D
radio and TV interference
3
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
4
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
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