[amp_mcq option1=”110 V” option2=”210 V” option3=”230 V” option4=”400 V” correct=”option3″]
Detailed SolutionThe voltage of the single phase supply to residential consumers is
Transmission and distribution
32. Most of the high voltage transmission lines in India are
[amp_mcq option1=”Underground” option2=”Overhead” option3=”Either of the above” option4=”None of the above” correct=”option2″]
Detailed SolutionMost of the high voltage transmission lines in India are
33. Besides a method of trial and error, which of the following methods is employed for solution of network problems in interconnected system?
[amp_mcq option1=”Circulating current method” option2=”Thevenin’s theorem” option3=”Superposition of currents” option4=”All of the above” correct=”option4″]
34. The voltage drop, for constant voltage transmission is compensated by installing
[amp_mcq option1=”Inductors” option2=”Capacitors” option3=”Synchronous motors” option4=”All of above” correct=”option1″]
Detailed SolutionThe voltage drop, for constant voltage transmission is compensated by installing
35. Large industrial consumers are supplied electrical energy at
[amp_mcq option1=”400 V” option2=”11 kV” option3=”66 kV” option4=”400 kV” correct=”option4″]
Detailed SolutionLarge industrial consumers are supplied electrical energy at
36. The spacing between phase conductors of a 220 kV line is approximately equal to
[amp_mcq option1=”2 m” option2=”3.5 m” option3=”6 m” option4=”8.5 m” correct=”option3″]
Detailed SolutionThe spacing between phase conductors of a 220 kV line is approximately equal to
37. The current drawn by the line due to corona losses is
[amp_mcq option1=”Non-sinusoidal” option2=”Sinusoidal” option3=”Triangular” option4=”Square” correct=”option1″]
Detailed SolutionThe current drawn by the line due to corona losses is
38. The skin effect of a conductor will reduce as the
[amp_mcq option1=”Resistivity of conductor material increases” option2=”Permeability of conductor material increases” option3=”Diameter increases” option4=”Frequency increases” correct=”option4″]
Detailed SolutionThe skin effect of a conductor will reduce as the
39. In AC.S.R. Conductors, the insulation between aluminium and steel conductors is
[amp_mcq option1=”Insulin” option2=”Bitumen” option3=”Varnish” option4=”No insulation is required” correct=”option4″]
Detailed SolutionIn AC.S.R. Conductors, the insulation between aluminium and steel conductors is
40. Series capacitors on transmission lines are of little use when the load VAR requirement is
[amp_mcq option1=”Large” option2=”Small” option3=”Fluctuating” option4=”Any of the above” correct=”option3″]