61
Series capacitors on transmission lines are of little use when the load VAR requirement is
Answer: Small
Questions
62
The lines having R, L, C distributed along the circuit are called
Answer: Distributed
63
Which primary parameter is uniformly distributed along the length of the conductor?
Answer: R
64
The primary parameter that is associated with the electric charges is
Answer: C
65
The characteristic impedance of a transmission line with impedance and admittance of 16 and 9 respectively is
Answer: 1.33
66
When a transmission line has a load impedance same as that of the characteristic impedance, the line is said to be
Answer: Matched
68
Range of surge impedance for an overhead transmission line is ____________
Answer: 400 Ω – 600 Ω
69
Synchronous phase modifiers are installed at which of the following position of the transmission line?
Answer: Sending end
70
What is the value of characteristics impedance for loss free transmission line?
Answer: √(L/C)
71
The leakage current through the shunt admittance is __________
Answer: Maximum at sending end
73
For a distortion-less transmission line (G = shunt conductance between two wires)
Answer: R/L = G/C
75
Total load transmitted through a 3 phase transmission line is 10,000 kW at 0.8 power factor lagging. The I2R losses are 900 kW. The efficiency of transmission line is
Answer: 90%
77
The power transmitted will be maximum when
Answer: Sending end voltage is more
78
When two conductors each of radius r are at a distance D, the capacitance between the two is proportional to
Answer: 1/loge (D/r)
79
Are the conductors, which connect the consumer’s terminals to the distribution
Answer: Service mains
