A. varnished cambric
B. vulcanised rubber
C. impregnated paper
D. none of the above
A. lags the voltage by 90°
B. leads the voltage by 90°
C. lags the voltage by 180°
D. leads the voltage by 180°
A. High tension
B. Super tension
C. Extra high tension
D. Extra super voltage
A. more perfect impregnation
B. smaller overall size
C. no ionisation, oxidation and formation of voids
D. all of the above
A. one half
B. double
C. four times
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