Electrical control systems

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

momentum
velocity
displacement
mass

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class="screen-reader-text">The capacitance, in force-current analogy, is analogous to

2. 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 SolutionIn thermal-electrical analogy charge is considered analogous to

3. 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
Generally free from problems of non-linearities

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

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

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

Acceleration
Speed
Speed and acceleration
Displacement E. None of the above

Detailed SolutionWhich of the following

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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
can be measured by the use of a tachogenerator ?

6. 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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which of the following transfer function can be obtained ?

7.

two phase induction motor
Three phase induction motor
universal motor

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

parabolic
ramp
impulse
step

Detailed Solution

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class="screen-reader-text">Velocity error constant of a system is measured when the input to the system is unit _______ function.

9. Which of the following is the non-linearity caused by servomotor ?

Static friction
Backlash
Saturation
None of the above

Detailed

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SolutionWhich of the following is the non-linearity caused by servomotor ?

10. With feedback _____ increases.

system stability
sensitivity
gain
effects of disturbing signals

Detailed SolutionWith

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feedback _____ increases.

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