A. composite
B. porous
C. homogeneous
D. hygroscopic
A. polyvinyl chloride
B. post varnish conductor
C. pressed and varnished cloth
D. positive voltage conductor
E. none of the above
A. unsheathed cables
B. armoured
C. PVC sheathed cables
D. all of the above
A. steel tape
B. galvanised steel wire
C. any of the above
D. none of the above
A. between 2 and 3
B. between 5 and 6
C. between 8 and 10
D. between 12 and 14
A. 11 kV
B. 33 kV
C. 66 kV
D. 132 kV
A. one half
B. double
C. four times
D. none of the above
A. insulation may melt due to higher temperature
B. skin effect dominates on the conductor
C. of corona loss between conductor and sheath material
D. there is a danger of breakdown of insulation due to the presence of voids
A. lags the voltage by 90°
B. leads the voltage by 90°
C. lags the voltage by 180°
D. leads the voltage by 180°