1
GATE EE 1998
MCQ (Single Correct Answer)
+2
-0.6
A shunt reactor of $$100$$ MVAR is operated at $$98$$% of its rated voltage and $$96$$% of its rated frequency. The reactive power absorbed by the reactor is;
A
$$98$$ MVAR
B
$$104.02$$ MVAR
C
$$96.04$$ MVAR
D
$$100.04$$ MVAR
2
GATE EE 1998
MCQ (Single Correct Answer)
+2
-0.6
A cable has the following characteristics. $$L = 0.201\,\,\mu H/m\,\,$$ and $$\,C = 196.2\,pF/m.\,$$ The velocity of wave propagation through the cable is
A
$$32$$ $$m/s$$
B
$$159.24$$ $$\mu /ms$$
C
$$0.0312$$ $$m/s$$
D
$$159.24$$ $$m$$/($$\mu $$-$$s$$)
3
GATE EE 1998
Subjective
+5
-0
Each conductor of a $$33$$ $$kV,$$ $$3$$ phase system is suspended by a string of three similar insulators. The ratio of shunt capacitance to mutual capacitance is $$0.1.$$ Calculate the voltage across each insulator, and the string efficiency.
4
GATE EE 1998
MCQ (Single Correct Answer)
+2
-0.6
A power station consists of two synchronous generators A and B of ratings 250 MVA and 500 MVA with inertia constant 1.6 p.u. and 1.0 p.u., respectively on their own base MVA ratings. The equivalent p.u. inertia constant for the system on 100 MVA common base is
A
2.6
B
0.615
C
1.625
D
9.0
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Graduate Aptitude Test in Engineering
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