Objective Type Question or MCQ of Transmission and Distribution page-19
181. With 10% increase in span of the line, sag increases by
a) 18%
b) 19%
c) 20%
d) 21%
Ans: (d)
a) Voltage of the line
b) Volume of the line
c) Current in the line
d) Physical configuration
Ans: (d)
a) Increases
b) Decreases
c) Remain same
d) Increases proportionately
Ans: (b)
a) Self inductance
b) Mutual inductance
c) Internal inductance
d) None of these
Ans: (c)
a) Strengthen the pole
b) Hold telephone cables
c) Keep the wires from sagging
d) None of these
Ans: (a)
a) Insulation failure
b) Faults in line
c) Radio interference
d) All of these
Ans: (c)
a) 1/2 of the outer conductor
b) 1/4 of the outer conductor
c) 1/3 of the outer conductor
d) None of these
Ans: (a)
a) Potential difference between the conductors
b) Current in the conductors
c) Both (a) and (b)
d) None of these
Ans: (a)
a) Star-star
b) Star-delta
c) Delta-star
d) Delta-delta
Ans: (b)
a) That of phase conductor
b) 1/2 times that of phase conductor
c) 1/4 times that of phase conductor
d) 2 times that of phase conductor
Ans: (c)
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