Worksheetspower system
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
station type LA can discharge current of
a)
>100kA
b)
<100kA and >65kA
c)
<65kA
d)
none
2.
line type LA can discharge currents upto
a)
>100kA
b)
<100kA and >65kA
c)
<65kA
d)
none
3.
distribution type LA can discharge currents upto
a)
>100kA
b)
<100kA and >65kA
c)
<65kA
d)
none
4.
use of circuit breaker
(a)
5.
use of earthing
(a)
6.
oil CB is used up to
a)
33kV
b)
220kV
c)
765kV
d)
1100kV
7.
Vacuum CB is used upto
a)
33kV
b)
220kV
c)
765kV
d)
1100kV
8.
ABCB is used up to
a)
33kV
b)
220kV
c)
765kV
d)
1100kV
9.
SF6 CB is used up to
(a)
10.
fuse is used for protection against short circuits
4 lines
100 %
