A. it is hygroscopic
B. it has high capacitance
C. it is an organic material
D. none of the above
A. to minimise temperature stresses
B. to avoid being unearthed easily due to removal of soil
C. to minimize the effect of shocks and vibrations due to gassing vehicles, etc
D. for all of the above reasons
A. unsheathed cables
B. armoured
C. PVC sheathed cables
D. all of the above
A. mica insulated
B. paper insulated
C. compressed oil or compressed gas insulated
D. rubber insulated
E. none of the above
A. Polyvinyle chloride
B. Vulcanised rubber
C. Impregnated paper
D. Compressed SFe gas
E. none of the above
A. absence of harmonics
B. non-existence of any stability limit
C. smaller dielectric loss
D. absence of ripples
E. none of the above