Which of the following protects a cable against mechanical injury___________?

A. reactive power
B. power factor
C. voltage
D. current carrying capacity

A. insulation layer
B. sheath
C. armour
D. conductor surface

A. Yes
B. No

A. annealed
B. hardened and tempered
C. hard drawn
D. alloy with chromium

A. easy maintenance
B. low cost
C. can be used in congested areas
D. can be used in high voltage circuits

A. polyvinyl chloride
B. post varnish conductor
C. pressed and varnished cloth
D. positive voltage conductor
E. none of the above