Power Systems MCQs

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Medium Transmission Line

Telecommunication Network Management Tmn

System operators interface with the operations systems using ________

A. Transmission station
B. Workstations
C. Switching station
D. Customers

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Which of the following is correct operating voltage range for medium transmission lines.

A. More than 765 kv
B. More than 400 kv
C. More than 20 kv
D. More than 132 kv

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What is the value of the charging current flowing to earth in medium transmission line.

A. Very high
B. Medium
C. Negligible
D. No capacitance

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Performance of short transmission lines depends on which of the following?

A. Resistance and capacitance
B. Resistance and inductance
C. Inductance and capacitance
D. Resistance, inductance and capacitance

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Performance analysis of medium transmission line is done ________

A. By reactance diagram
B. By symmetrical component analysis method
C. By neglecting line inductance
D. On per phase basis

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What is the value of shunt capacitance of medium transmission line?

A. Very high
B. Medium
C. Zero
D. Negligable

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In medium transmission line the reciving end voltage may be greater than sending end voltage due to Ferranti effect.

A. True
B. False
C.
D.

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Series inductance and series resistance of medium transmission lines are taken as:

A. Distributed and lumped
B. Lumped and distributed
C. Distributed
D. Lumped

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Which of the following is like equivalent circuit of medium transmission line?

A. Series rlc circuit
B. Rlc circuit in pie form
C. Series rl circuit
D. Parallel rl circuit

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In medium transmission lines shunt capacitances are considered as lumped.

A. True
B. False
C.
D.

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