Q261
Open questionNumber of state variables of discrete time system, described by is
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ECE · all questionsControl Systems
Control Systems
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Q262
Open questionThe acceleration error constant is given by
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Q263
Open questionThe mathematical model of a system is linear, if it obeys the principle of
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Q264
Open questionMatch List-I with List-II and select the correct answer:
| List-I (Scientist) | List-II (Contribution in the area of) |
| a. Bode | 1. Asymptotic plots |
| b. Evans | 2. Polar plots |
| c. Nyquist | 3. Root locus technique |
| 4. Constant M and N plots |
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Q265
Open questionConsider that in a system loop transfer function, addition of a pole results in the following:
1. Root locus gets pulled to the right-hand side.
2. Steady-state-error is increased.
3. System responses gets slower.
Which of the above statements are correct?
1. Root locus gets pulled to the right-hand side.
2. Steady-state-error is increased.
3. System responses gets slower.
Which of the above statements are correct?
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Q266
Open questionIn Force-Voltage Analogy
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Q267
Open questionWhich of the following are the features of the breakaway point in the root-locus of a closed loop control system with the characteristic equation 1 + KG1(s) H1(s) = 0?
1. It need not always occur only on the real axis.
2. At this point G1(s) H1(s) = 0
3. At this point
Select the correct answer using the options given below:
1. It need not always occur only on the real axis.
2. At this point G1(s) H1(s) = 0
3. At this point
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Q268
Open questionFrom the below figure we can conclude
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Q269
Open questionConsider the following servomotors:
1. AC two-phase servometer
2. DC servomotor
3. Hydraulic servomotor
4. Pneumatic servomotor
The correct sequence of these servomotors in increasing order of power handling capacity is:
1. AC two-phase servometer
2. DC servomotor
3. Hydraulic servomotor
4. Pneumatic servomotor
The correct sequence of these servomotors in increasing order of power handling capacity is:
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Q270
Open questionFor drawing the root locus plot of a certain closed - loop control system, one needs to know
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Q271
Open questionThe root locus plot for a system is given below. The open loop transfer function corresponding to this plot is given by
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Q272
Open questionThe largest error between reference input and output during the transient period is called:
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Q273
Open questionThe block diagram of a feedback system is shown in the figure.
The transfer function of the system is
The transfer function of the system is
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Q274
Open questionIn a type 2 system, if a pole has been added, it will cause:
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Q275
Open questionA family of constant N circles has the centre as:
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Q276
Open questionIn the signal flow graph of figure, equals
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Q277
Open questionA negative-feedback closed-loop system is supplied with an input of 5 V, the system has a forward gain of 1 and a feedback gain of 1. What is the output voltage?
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Q278
Open questionFor the system the approximate time taken for a step response to reach 98% of its final value is
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Q279
Open questionGain cross over frequency is the frequency at which gain is
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Q280
Open questionConsider the following statements relating to synchros:
1. The rotor of the control transformer is either disc shaped.
2. The rotor of the transmitter is so constructed as to have a low magnetic reluctance.
3. Transmitter and control transformer pair is used as an error detector.
Which of these statements are correct?
1. The rotor of the control transformer is either disc shaped.
2. The rotor of the transmitter is so constructed as to have a low magnetic reluctance.
3. Transmitter and control transformer pair is used as an error detector.
Which of these statements are correct?
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