AUTOMATIC CONTROL SYSTEMS QUIZ

None of these

Pneumatic actuator

Hydraulic actuator

Electric motor actuator

lie on the real axis

Always occur in complex conjugate pairs

None of these

Either lie on the real axis or occur in complex conjugate pairs

Routh criterion can be used by substituting a small negative number for zero and complet-ing the array

Routh criterion cannot be used to determine stability

Routh criterion can be used by substituting a big positive number for zero and completing the array

Routh criterion can be used by substituting a small positive number for zero and completing the array

Digital electrical signal

Mechanical signal

Analog electrical signal

Analog or digital electrical signal

Aqualing

Respiratory system of animal

Wind screen wiper

System for controlling antirocket missiles

Speeds up the transient response

Increases the stability margin and speeds up the transient-response.

Increases the stability margin

None of these

Pneumatic systems

Thermal systems

Hydraulic systems and thermal systems

Thermal, hydraulic and pneumatic systems

Voltage

Charge

Electrostatic energy

Magnetic flux linkage

Root locus

Nyquist plot

Nichols chart

Bode plot

M = 1 straight line

Real and imaginary axis

M = 1 straight line and real axis

M = 1 straight line and imaginary axis