Electrical control systems Archives - Page 4 of 10 - MCQ and Quiz for Exams

31. A good control system has all the following features except

good stability

slow response

good accuracy

sufficient power handling capacity

Detailed SolutionA good control system has all the following features except

32. Increases the steady state accuracy.

Integrator

Differentiator

Phase lead compensator

Phase lag compensator

Detailed SolutionIncreases the steady state accuracy.

33. Which of the following can be measured by LVDT?

Displacement

Velocity

Acceleration

Any of the above

Detailed SolutionWhich of the following can be measured by LVDT?

34. The term backlash is associated with

servomotors

induction relays

gear trains

any of the above

Detailed SolutionThe term backlash is associated with

35. Static error coefficients are used as a measure of the effectiveness of closed loop systems for specified ________ input signal.

acceleration

velocity

position

all of the above

Detailed SolutionStatic error coefficients are used as a measure of the effectiveness of closed loop systems for specified ________ input signal.

36. In a control system the output of the controller is given to

Final control element

Amplifier

Comparator

Sensor

Detailed SolutionIn a control system the output of the controller is given to

37. In electrical pneumatic system analogy the current is considered analogous to

velocity

pressure

air flow

air flow rate

Detailed SolutionIn electrical pneumatic system analogy the current is considered analogous to

38. Is an open loop control system.

Ward Leonard control

Field controlled D.

motor C. Stroboscope

Metadyne

Detailed SolutionIs an open loop control system.

39. Which of the following is exhibited by Root locus diagrams ?

The poles of the transfer function for a set of parameter values

The bandwidth of the system

The response of a system to a step input

The frequency response of a system E. None of the above

Detailed SolutionWhich of the following is exhibited by Root locus diagrams ?

40. The first order control system, which is well designed, has a

small bandwidth

negative time constant

large negative transfer function pole

none of the above

Detailed SolutionThe first order control system, which is well designed, has a

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