An open loop system:

(A) Correct the disturbances acting on the system
(B) Must be altered manually to deal with the disturbance
(C) Respond well to incorrect system models
(D) Has a control K=1 in the close loop system

Answer: (B) Must be altered manually to deal with the disturbance

Sheath is used in the cables to:


(A) Avoid the chances of the rust on the strands
(B) Prevent the moisture from entering the cable
(C) Provide proper insulation
(D) Provide strength to the cable

Answer: (B) Prevent the moisture from entering the cable
Sheath is used in the cables to prevent the moisture from entering the cable.