Electrical control systems Archives

51. The capacitance, in force-current analogy, is analogous to

momentum

velocity

displacement

mass

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52. In thermal-electrical analogy charge is considered analogous to

heat flow

reciprocal of heat flow

reciprocal of temperature

temperature E. none of the above

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considered analogous to" class="read-more button" href="https://exam.pscnotes.com/mcq/in-thermal-electrical-analogy-charge-is-considered-analogous-to/#more-49080">Detailed Solution

53. Which of the following statements is not necessarily correct for open control system ?

Input command is the sole factor responsible for providing the control action

Presence of non-linearities causes malfunctioning

Less expensive

Detailed SolutionWhich of the following statements is not necessarily correct for open control system ?

54. An increase in gain, in most systems, leads to

smaller damping ratio

larger damping ratio

constant damping ratio

none of the above

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in most systems, leads to" class="read-more button" href="https://exam.pscnotes.com/mcq/an-increase-in-gain-in-most-systems-leads-to/#more-49035">Detailed Solution

55. Which of the following can be measured by the use of a tachogenerator ?

Acceleration

Speed

Speed and acceleration

Displacement E. None of the above

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button" href="https://exam.pscnotes.com/mcq/which-of-the-following-can-be-measured-by-the-use-of-a-tachogenerator/#more-48977">Detailed Solution

56. From which of the following transfer function can be obtained ?

Signal flow graph

Analogous table

Output-input ratio

Standard block system E. None of the above

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transfer function can be obtained ?" class="read-more button" href="https://exam.pscnotes.com/mcq/from-which-of-the-following-transfer-function-can-be-obtained/#more-48964">Detailed Solution

57.

two phase induction motor

Three phase induction motor

servomotor resembles A. two phase induction motor B. Three phase induction motor C. direct current series motor

universal motor

Detailed Solution

58. Velocity error constant of a system is measured when the input to the system is unit _______ function.

parabolic

ramp

impulse

step

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