Power System Planning and Design (2180903) MCQs

MCQs of Design of power system

Showing 1 to 10 out of 28 Questions
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1.
Impedance and capacitance of a transmission line depend upon
(a) Current in the line
(b) Voltage in the line
(c) Conductor arrangement of line
(d) None of above
Answer:

Option (c)

2.
Transformer connected at the sending end of a transmission line is usually
(a) Star-delta
(b) Star-star
(c) Delta-star
(d) Delta-delta
Answer:

Option (a)

3.
High tension cable can be used for power transmission for voltages not exceeding
(a) 11 kV
(b) 22 kV
(c) 33 kV
(d) 110 kV
Answer:

Option (c)

4.
In short overhead transmission line upto 80 km, one may neglect
(a) Series resistance
(b) Series inductance
(c) Shunt conductance and capacitance
(d) All of above
Answer:

Option (c)

5.
If the voltage as well as reactance of a transmission line is double, the maximum steady state power limit of the line
(a) Remains unaltered
(b) Becomes 2 times
(c) Becomes 4 times
(d) Becomes 8 times
Answer:

Option (b)

6.
The critical voltage of a transmission line may be increased by
(a) Increasing the conductor diameter
(b) Increasing the air spacing between the conductors
(c) Both (a) and (b)
(d) None of above
Answer:

Option (c)

7.
The characteristic impedance of a transmission line with impedance and admittance of 16 and 9 respectively is
(a) 0.75
(b) 1.33
(c) 7
(d) 25
Answer:

Option (b)

8.
When a transmission line has a load impedance same as that of the characteristic impedance, the line is said to be
(a) Parallel
(b) Series
(c) Matched
(d) Polarized
Answer:

Option (c)

9.
What are the types of substations suitable for voltage 66 kV and above?
(a) Outdoor
(b) Indoor
(c) Hybrid
(d) All of above
Answer:

Option (d)

10.
What is the range of MHV substations?
(a) Above 1 kV
(b) Between 1kV and 33 kV
(c) Between 33 kV and 110 kV
(d) Between 220 kV and 400 kV
Answer:

Option (b)

Showing 1 to 10 out of 28 Questions
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