Latest Transmission and Distribution Multiple choice Questions and Answers pdf

31.    The conductors of the overhead lines are
(a) solid
(b) stranded
(c) both solid and stranded
(d) none of the above
Ans: b

32.    High voltage transmission lines use
(a) suspension insulators
(b) pin insulators
(c) both (a) and (b)
(d) none of the above
Ans: a

33.    Multicore cables generally use
(a)     square conductors
(b)     circular conductors
(c)    rectangular conductors
(d)    sector-shaped conductors
(e)    none of the above
Ans: d

34.    Distribution lines in India generally use
(a) wooden poles 
(b) R.C.C. poles
(c) steel towers    
(d) none of the above
Ans: b

35.    The material commonly used for insulation in high voltage cables is
(a) lead
(b) paper
(c) rubber
(d) none of the above
Ans: b

36.    The loads on distributors systems are generally
(a) balanced
(b) unbalanced
(c) either of the above
(d) none of the above
Ans: b

37.    The power factor of industrial loads is generally
(a) unity
(b) lagging
(c) leading
(d) zero
Ans: b

38.    Overhead lines generally use
(a)    copper conductors
(b)    all aluminium conductors
(c)    A.C.S.R. conductors
(d)    none of these
Ans: c

39.    In transmission lines the cross-arms are made of
(a) copper
(b) wood
(c) R.C.C.
(d) steel
Ans: d

40.    The material generally used for armour of high voltage cables is
(a) aluminium    
(b) steel
(c) brass
(d) copper
Ans: b

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