The insulating material for cables should____________?

A. Bedding
B. Sheath
C. Armouring
D. None of the above

A. sheath
B. insulator
E. surface of the conductor
D. core of the conductor

A. hessian cloth
B. jute
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. 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. blue
B. black
C. brown
D. none of the above