a) Radial system of the distribution b) Ring system of the distribution c) D.C. three wire system of the distribution d) A.C. three phase four wire system Ans: (b)
a) (Average demand)/(Maximum demand) b) (Sum of consumers maximum demand)/(Maximum load on the station) c) (Maximum demand)/(Sum of consumers maximum demand) d) (Average demand)/(Maximum load on the station) Ans: (b)
a) High tension winding is used near the core b) High tension winding is used away from the core c) Low tension winding is used near the core d) Low tension winding is used away from the core Ans: (a)
a) 11 kV for whole system b) 132 kV for the whole system c) 11 kV for generator side and 132 kV for transmission side d) Cannot be determined from the given data Ans: (c)
a) 70 to 80% b) 80 to 90% c) 90 to 98% d) none of the above Ans: (c)
a) True ratio = line voltage ratio b) True ratio = phase voltage ratio c) True ratio = √3 phase voltage ratio d) True ratio = √3 lines voltage ratio Ans: (a)
a) Star-delta transformer b) Delta-star transformer c) Star-star transformer d) Delta-delta transformer Ans: (b)
a) H.V. side b) L.V. side c) Cannot be determined from the test d) Either of two may be L.V. side Ans: (b)
a) The steady stability b) The transient stability c) (a) and (b) both d) None of the above Ans: (a)
a) Firm power b) Hot reserve c) Cold reserve d) Spinning reserve Ans: (c)