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Control Systems
The characteristic equation for closed loop system is given as . The value of k for which the system becomes just stable is
2
6
4
8
2
6
4
8
Answer
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Control Systems
The system function N(s) = V(s)/I(s) = (s+3)/(4s+5). The system is initially at rest. If the excitation i(t) is a unit step, which of the following is the initial value?
0
3/9
1/4
3/5
0
3/9
1/4
3/5
Answer
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Control Systems
Time constant is defined as the time taken by the response of the system to reach ----------- ?
100% of the final value
70.7% of the final value
63% of the final value
50% of the final value
100% of the final value
70.7% of the final value
63% of the final value
50% of the final value
Answer
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Control Systems
If two blocks having gains A and B respectively are in parallel connection, find the resultant gain using block diagram reduction technique?
A+B
A/B
A*B
2(A+B)
A+B
A/B
A*B
2(A+B)
Answer
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Control Systems
The angle condition used for checking whether any point lies on root locus or not is...........
± (2q + 1) 360o.
± (2q) 180o.
± (2q + 1) 180o.
± (2q) 360o.
± (2q + 1) 360o.
± (2q) 180o.
± (2q + 1) 180o.
± (2q) 360o.
Answer
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Control Systems
With regard to filtering property, the lead compensator is
bandpass filter
high pass filter
band reject filter
low pass filter
bandpass filter
high pass filter
band reject filter
low pass filter
Answer
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