Electrical control systems

42. In order to increase the damping of a badly underdamped system which of following compensators may be used ?

Phase-lead
Phase-lag
Both (A) and (B)
Either (A) and (B) E. None of the above

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23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube
class="read-more button" href="https://exam.pscnotes.com/mcq/in-order-to-increase-the-damping-of-a-badly-underdamped-system-which-of-following-compensators-may-be-used/#more-50103">Detailed SolutionIn order to increase the damping of a badly underdamped system which of following compensators may be used ?

43. In force-voltage analogy, velocity is analogous to

current
charge
inductance
capacitance

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64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube
href="https://exam.pscnotes.com/mcq/in-force-voltage-analogy-velocity-is-analogous-to/#more-49775">Detailed SolutionIn force-voltage analogy, velocity is analogous to

44. In pneumatic control systems the control valve used as final control element converts

Pressure signal to electric signal
Pressure signal to position change
Electric signal to pressure signal
Position change to pressure signal

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converts" class="read-more button" href="https://exam.pscnotes.com/mcq/in-pneumatic-control-systems-the-control-valve-used-as-final-control-element-converts/#more-49735">Detailed SolutionIn pneumatic control systems the control valve used as final control element converts

45. Is the reference input minus the primary feedback.

Manipulated variable
Zero sequence
Actuating signal
Primary feedback

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288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube href="https://exam.pscnotes.com/mcq/is-the-reference-input-minus-the-primary-feedback/#more-49570">Detailed SolutionIs the reference input minus the primary feedback.

46. Zero initial condition for a system means

input reference signal is zero
zero stored energy
ne initial movement of moving parts
system is at rest and no energy is stored in any of its components

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system means" class="read-more button" href="https://exam.pscnotes.com/mcq/zero-initial-condition-for-a-system-means/#more-49555">Detailed SolutionZero initial condition for a system means

47. A control system in which the control action is somehow dependent on the output is known as

Closed loop system
Semiclosed loop system
Open system
None of the above

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11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube output is known as" class="read-more button" href="https://exam.pscnotes.com/mcq/a-control-system-in-which-the-control-action-is-somehow-dependent-on-the-output-is-known-as/#more-49528">Detailed SolutionA control system in which the control action is somehow dependent on the output is known as

48. has tendency to oscillate.

Open loop system
Closed loop system
Both (A) and (B)
Neither (A) nor (B)

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oscillate." class="read-more button" href="https://exam.pscnotes.com/mcq/has-tendency-to-oscillate/#more-49411">Detailed Solutionhas tendency to oscillate.

49. A signal other than the reference input that tends to affect the value of controlled variable is known as

Disturbance
Command
Control element
Reference input

Detailed SolutionA signal

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other than the reference input that tends to affect the value of controlled variable is known as

50. Which of the following is an open loop control system ?

Field controlled D.C. motor
Ward leonard control
motor B. Ward leonard control C. Metadyne
Stroboscope

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576 512"> Subscribe on YouTube the following is an open loop control system ?" class="read-more button" href="https://exam.pscnotes.com/mcq/which-of-the-following-is-an-open-loop-control-system/#more-49135">Detailed SolutionWhich of the following is an open loop control system ?
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