A. Displacement
B. Velocity
C. Acceleration
D. Any of the above
Related Mcqs:
- Which of the following can be measured by the use of a tachogenerator ?
A. Acceleration
B. Speed
C. Speed and acceleration
D. Displacement
F. None of the above - Pressure error can be measured by which of the following ?
A. Differential bellows and straingauge
B. Selsyn
C. Strain gauge
D. Strain gauge and potentiometer - Velocity error constant of a system is measured when the input to the system is unit ___________ function?
A. parabolic
B. ramp
C. impulse
D. step - Which of the following statements is not necessarily correct for open control system ?
A. Input command is the sole factor responsible for providing the control action
B. Presence of non-linearities causes malfunctioning
C. Less expensive
D. Generally free from problems of non-linearities - A closed loop system is distinguished from open loop system by which of the following ?
A. Servomechanism
B. Feedback
C. Output pattern
D. Input pattern - Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ?
A. The system is relatively stable
B. The system is highly stable
C. The system is highly oscillatory
D. None of the above - Which of the following statements is correct for any closed loop system ?
A. All the co-efficients can have zero value
B. All the co-efficients are always non-zero
C. Only one of the static error co-efficients has a finite non-zero value
D. None of the above - In a stable control system backlash can cause which of the following ?
A. Underdamping
B. Overdamping
C. Poor stability at reduced values of open loop gain
D. Low-level oscillations - ______________By which of the following the system response can be tested better ?
A. Ramp input signal
B. Sinusoidal input signal
C. Unit impulse input signal
D. Exponentially decaying signal - Which of the following is the definition of proportional band of a controller ?
A. The range of air output as measured variable varies from maximum to minimum
B. The range of measured variables from set value
C. The range of measured variables through which the air output changes from maximum to minimum
D. Any of the above
F. None of the above
