Quiz 1a NDJ30103

In open loop system......

• The control action depends on system variables

• The control action depends on the input signal

• The control action depends on the size of the system

• The control action is independent of the output

The traffic light system is an example of:

• Closed-loop system

• Open-loop system

• None of these

• Both (a) & (b)

An automatic toaster is a ________ loop control system

The air conditioner is an example of ______ loop control system

• Open

• Closed

• Partially closed

• Any of the above

_______ is a part of the human temperature control system.

• Digestive system

• Pespiration system

• Ear

• Leg movement

_______ is a closed-loop system.

• Auto-pilot for an aircraft

• Direct current generator

• Car starter

• Electric switch

Transfer function=

• Output x Input

• Output/Input

• Input/Output

• Output + Input

With feedback ________ increases.

• system stability

• sensitivity

• gain

• effects of disturbing signals

A good control system has all the following features except

• good stability

• slow response

• good accuracy

• sufficient power handling capacity