110 V
210 V
230 V
400 V
Answer is Right!
Answer is Wrong!
Detailed SolutionThe voltage of the single phase supply to residential consumers is
Transmission and distribution
82. Most of the high voltage transmission lines in India are
Underground
Overhead
Either of the above
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionMost of the high voltage transmission lines in India are
83. Besides a method of trial and error, which of the following methods is employed for solution of network problems in interconnected system?
Circulating current method
Thevenin's theorem
Superposition of currents
All of the above
Answer is Right!
Answer is Wrong!
84. The voltage drop, for constant voltage transmission is compensated by installing
Inductors
Capacitors
Synchronous motors
All of above
Answer is Right!
Answer is Wrong!
Detailed SolutionThe voltage drop, for constant voltage transmission is compensated by installing
85. Large industrial consumers are supplied electrical energy at
400 V
11 kV
66 kV
400 kV
Answer is Right!
Answer is Wrong!
Detailed SolutionLarge industrial consumers are supplied electrical energy at
86. The spacing between phase conductors of a 220 kV line is approximately equal to
2 m
3.5 m
6 m
8.5 m
Answer is Right!
Answer is Wrong!
Detailed SolutionThe spacing between phase conductors of a 220 kV line is approximately equal to
87. The current drawn by the line due to corona losses is
Non-sinusoidal
Sinusoidal
Triangular
Square
Answer is Right!
Answer is Wrong!
Detailed SolutionThe current drawn by the line due to corona losses is
88. The skin effect of a conductor will reduce as the
Resistivity of conductor material increases
Permeability of conductor material increases
Diameter increases
Frequency increases
Answer is Right!
Answer is Wrong!
Detailed SolutionThe skin effect of a conductor will reduce as the
89. In AC.S.R. Conductors, the insulation between aluminium and steel conductors is
Insulin
Bitumen
Varnish
No insulation is required
Answer is Right!
Answer is Wrong!
Detailed SolutionIn AC.S.R. Conductors, the insulation between aluminium and steel conductors is
90. Series capacitors on transmission lines are of little use when the load VAR requirement is
Large
Small
Fluctuating
Any of the above
Answer is Right!
Answer is Wrong!