22. The number of forward paths in the signal flow diagram shown below areoX2Fig. 16.10
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23. The damping factor and undamped natural frequency for the position control system are respectively given by
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24. For a type 1 second order control system, the steady state error to unit ramp input is
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25. Which of the following system is generally preferred?
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26. In a second order system having damping factor t, the ratio of damped frequency wd to natural frequency wn is:
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27. The Routh array of a characteristic equation is given below. The number of roots lying on the right hand side of s-plane is(d)1/G 14----ox2
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28. When all the terms in a row of Routh array are zero, the characteristic equation has roots on
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