A. supports the pole
B. provides protection against surges
C. protects conductors against short circuiting
D. provides emergency earth route

A. conductors
B. meters 
C. earthing system 
D.  distribution transformer

A. better regulation
B. radio interference
C. power factor improvement
D. None

A. Less losses in transmission over long distances
B. Easy transformation
C. Less instability problem
D. Less insulation problems

A. B-phase conductor
B. earth conductor
C. R-phase conductor
D. Y-phase conductor

A. series capacitors
B. voltage transformers
C. exciters
D. shunt reactor

A. bitumen 
B. varnish 
C. no insulation is required
D. insulin 

A. pin insulators
B. suspension insulators
C. Both a and b
D. None of them

A. unbalanced
B. balanced 
C. either of the above
D. None of them

A. copper 
B. iron 
C. rubber 
D. lead