POWER SYSTEMS QUIZ

 2000

 5

 0.22

 0.4

 decrease in conductor size and increase in supply frequency

 increase in conductor size and decrease in supply frequency

 increase in conductor size and increase in supply frequency

 decrease in conductor size and decrease in supply frequency

 25%

 75%

 33.33%

 66.66%

 Xs +2 Xm

 Xs - Xm

 2Xs + Xm

 Xm - Xs

 1.3.

 0.25.

 0.44.

  0.83.

 increase in mutual geometrical mean distance

 neither 1 nor 2

 both 1 and 2

 increase in height of conductors above ground

 less than that required by the diesel power station of same output.

 less than that required by atomic power station of the same output.

 less than that required by a gas turbine power plant of same output.

  less than that required by hydro-power station of same capacity.

  none of these.

  equal to unsectional bus bar.

  much higher than with unsectional bus bar.

  much lower than with unsectional bus bar.

 75 × 0.736 × WQHη.

 ( 75 / 0.736 ) × WQHη.

 ( 7 / 75 ) × WQHη.

  ( 0.763 / 75 ) × WQHη.

 Hydro Power Plant

 Gas turbine.

 Thermal.

 Nuclear.