Question 11 : " The term backlash is associated with:"
1. " Servomotors"
2. " Induction relays"
3. " Gear trains"
4. " Tacho generator."
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Question 12 : " Asymptotic stability is concerned with :"
1. " A system under influence of input"
2. " A system not under influence of input"
3. " A system under influence of output"
4. " A system not under influence of output"
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Question 13 : " With feedback _____ increases."
1. " System stability"
2. " Sensitivity"
3. " Gain"
4. " Effects of disturbing signals"
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Question 14 : " Linear mathematical model applies to :"
1. " Linear systems"
2. " Stable systems"
3. " Unstable systems"
4. " All of the mentioned"
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Question 15 : " From which of the following transfer function can be obtained?"
1. " Signal flow graph"
2. " Analogous table"
3. " Output-input ratio"
4. " Standard block system"
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Question 16 : " Bounded input and Bounded output stability notion concerns with :"
1. " A system under influence of input"
2. " A system not under influence of input"
3. " A system under influence of output"
4. " A system not under influence of output"
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Question 17 : " If a system is given unbounded input then the system is:"
1. " Stable"
2. " Unstable"
3. " Not defined"
4. " Linear"
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Question 18 : " Static error co-efficient are used as a measure of the effectiveness of closed loop systems for specified ________ input signal."
1. " Acceleration"
2. " Velocity"
3. " Position"
4. " All of the mentioned"
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Question 19 : The characteristic equation of a feedback control system is given bys³+5s²+(K+6)s+K=0. In the root loci diagram, the asymptotes of the root loci for large K meet at a point in the s plane whose coordinates are:
1. (2,0)
2. (-1,0)
3. (-2,0)
4. (-3,0)
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Question 20 : " The roots of the transfer function do not have any effect on the stability of the system."
1. " True"
2. " False"
3.
4.
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