This is not
the types of insulators
Pin type
Suspension type
Post insulator
Square type
Square type
Types of
insulator :
Pin insulator
: Single unit, used upto 11 kV 33 kV. Suspension insulator- Group of disc type
insulator, vertically mounted depending upon the voltage level of transmission
line.
Post
insulator : Use for supports for bus-bars transformer, substation yard, in
switchgear as support for breakers and for capacitor banks.
Hence, the
correct option is (D).
Preparing students for success in a changing World.
We care about our students
RPSC-AE, RSMSSB-JE, SSC-JE, RRB-JE, PSU's