# The X:R ratio of 220 kV line as compared to 400 kV line is

1.  greater

2.  smaller

3.  equal

4.  it could be anything

4

smaller

Explanation :
No Explanation available for this question

# If a line is 100 % series compensated, it may result into series resonance at power frequency of

1.  50 Hz

2.  100 Hz

3.  150 Hz

4.  none of these

4

50 Hz

Explanation :
No Explanation available for this question

# A 60 Hz, 320 km lossless line has sending end voltage 1.0 p.u. The receiving end voltage on no load is

1.  1.1 p.u.

2.  1.088 p.u

3.  1.116 p.u.

4.   none of these

4

1.088 p.u

Explanation :
No Explanation available for this question

# With 100 % series compensation of lines

1.  the circuit is series resonant at power frequency

2.  low transient voltage

3.  high transient current

4.   both (a) and (c)

4

both (a) and (c)

Explanation :
No Explanation available for this question

# For certain geometry and operating voltage of the uncompensated transmission line, the ratio of power transfer capability to the surge inpedance loading with increase in length

1.  increases

2.  remains unchanged

3.  decreases

4.  uncertain

4

decreases

Explanation :
No Explanation available for this question

# For any fixed degree of inductive shunt compensation, additional series capacitive compensation

1.  increases effective length of line

2.  increases virtual surge impedance line

4.   none of these

4

none of these

Explanation :
No Explanation available for this question

# A loss less line terminated with its surge impedance has

1.  flat voltage profile

2.  transmission line angle is greater than actual length of line

3.  transmission line angle is less than the actual length

4.  both (a) and (b)

4

flat voltage profile

Explanation :
No Explanation available for this question

# The leakage resistance of a 50 km long cable is 1 MΩ. For a 100 km long cable it will be

1.  1 MΩ

2.  2 MΩ

3.  0.5 MΩ

4.   none of these

4

none of these

Explanation :
No Explanation available for this question

# Critical voltage limit of a transmission line is increased by

1.  increasing the radius of the conductors

2.  increasing the spacing between conductors

3.  reducing the spacing between conductors

4.  reducing the radius of the conductors

4

increasing the radius of the conductors

Explanation :
No Explanation available for this question

1.  32 m/s

2.  159.24/ms

3.  0.0312 m/s

4.  159.24 m/s

4