The spacing between phase conductors of a 220 kV line is approximately equal to________________?
The spacing between phase conductors of a 220 kV line is approximately equal to________________?
A. 2 m
B. 3.5 m
C. 6 m
D. 8.5 m
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A booster is a_________________?
A booster is a_________________?
A. series wound generator
B. shunt wound generator
C. synchronous generator
D. none of the aboveThe presence of ozone due to corona is harmful because it________________?
The presence of ozone due to corona is harmful because it________________?
A. reduces power factor
B. corrodes the material
C. gives odour
D. transfer energy to the ground
E. none of the aboveA uniformly-loaded D.C. distributor is fed at both ends with equal voltages. As compared to a similar distributor fed at one end only, the drop at the middle point is______________?
A uniformly-loaded D.C. distributor is fed at both ends with equal voltages. As compared to a similar distributor fed at one end only, the drop at the middle point is______________?
A. one-fourth
B. one-third
C. one-half
D. twice
E. none of the aboveWhich of the following are the constants of the transmission lines ?
Which of the following are the constants of the transmission lines ?
A. Resistance
B. Inductance
C. Capacitance
D. All of the aboveFor transmission of power over a distance of 200 km, the transmission voltage should be_________kv?
For transmission of power over a distance of 200 km, the transmission voltage should be_________kv?
A. 132 kV
B. 66 kV
C. 33 kV
D. 11 kVOverhead lines generally use__________________?
Overhead lines generally use__________________?
A. copper conductors
B. all aluminium conductors
C. A.C.S.R. conductors
D. none of these