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Control Systems
Sparking between the contacts can be reduced by inserting
a reactor in the line.
a resistor in the line.
a capacitor in parallel with the contacts.
a capacitor in series with the contacts.
a reactor in the line.
a resistor in the line.
a capacitor in parallel with the contacts.
a capacitor in series with the contacts.
Answer
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Related Question
Control Systems
The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is
(2s+2)/(s+1)²
(2s+2)/s²
(2s+1)/(s+1)²
(2s+1)/s²
(2s+2)/(s+1)²
(2s+2)/s²
(2s+1)/(s+1)²
(2s+1)/s²
Answer
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Control Systems
Type and order of transfer function G (s) = K / {s(s + 2)}
1, 1.
0, 2.
1, 2.
2, 1.
1, 1.
0, 2.
1, 2.
2, 1.
Answer
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Control Systems
When writing a transfer function which of the following loops are not valid loops?
Self loops at output node.
Neither 1 nor 2.
Self loops at input node.
Both 1 and 2.
Self loops at output node.
Neither 1 nor 2.
Self loops at input node.
Both 1 and 2.
Answer
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Control Systems
The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is
10.
5.
2.
1.
10.
5.
2.
1.
Answer
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Control Systems
The characteristic equation of a control system is give by s(s + 4)(s² + 2s + 1) + k(s + 1) = 0. Find the angle between the asymptotes?
360°
60°
180°
120°
360°
60°
180°
120°
Answer
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