Which among the following represents an illustration of closed loop system?
A. Automatic washing machine
B. Automatic electric iron
C. Bread toaster
D. Electric hair drier
Answer:A
Which among the following represents an illustration of closed loop system?
A. Automatic washing machine B. Automatic electric iron C. Bread toaster D. Electric hair drier
Explanation: Closed loop control system is the system with the positive or negative feedback and this is made so as to avoid the disadvantages of open loop control system and in the above options automatic washing machine represents closed loop system.