a) Mercury arc rectifiers
b) Rotating machines
c) Generator
d) Transformers

Ans: (b)

a) Ring type
b) Mesh type
c) Radial type
d) None of these

Ans: (c)

a) 220 V between phases
b) 400 V between phases
c) 3.3 kV between phases
d) None of these

Ans: (b)

a) Voltage source
b) Current source
c) Power source
d) All of these

Ans: (a)

a) Ring type
b) Mesh type
c) Radial type
d) All of these

Ans: (c)

a) Its potential gradient increases
b) Insulation required is less
c) Corona loss is reduced
d) Potential between conductor and ground decreases

Ans: (a)

a) Shunt generations
b) Power capacitances
c) SCR
d) Motor-generator set

Ans: (c)

a) Receiving end voltage can exceed sending end voltage
b) Receiving end voltage can’s exceed sending end voltage
c) Capacitive charging current is reduced
d) None of these

Ans: (a)

a) Of less cost, line inductance & corona loss
b) They are easy to fabricate
c) Only bundled conductors can withstand high voltages
d) All of these

Ans: (a)

a) Pressure provides the necessary strength
b) Pressure provides the necessary voltage bearing capacity
c) Pressure will avoid the formation of voids
d) All of these

Ans: (c)

a) Low impedance
b) Low resistance
c) Low reactance
d) High resistance

Ans: (b)

a) 11 kV
b) 33 kV
c) 132 kV
d) 200 kV

Ans: (d)

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