Control Systems Stability Analysis Describing Functions 2 Online Exam Quiz
Control Systems Stability Analysis Describing Functions 2 GK Quiz. Question and Answers related to Control Systems Stability Analysis Describing Functions 2. MCQ (Multiple Choice Questions with answers about Control Systems Stability Analysis Describing Functions 2
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:
Options
A : (2,0)
B : (-1,0)
C : (-2,0)
D : (-3,0)
Transportation lag is seen in systems:
Options
A : Amount to be transferred in large
B : Time take to transfer is large
C : Inefficiency of the process
D : Errors
Mediums responsible for transportation lag are:
Options
A : Lines
B : Pipes
C : Belt conveyors
D : All of the mentioned
The root locus diagram has loop transfer function G(s)H(s) = K/ s(s+4)(s2+4s+5) has
Options
A : No breakaway points
B : Three real breakaway points
C : Only one breakaway points
D : One real and two complex breakaway points
Linear lumped parameter models are not valid under situations as:
Options
A : Transmission pipe between the hydraulic pump and the motor causes a time lag in transportation of oil from pump to motor
B : Transmission of heat by conduction or convection produces serious transportation lag
C : Transmission pipe causes the time lag and loss of heat by conduction and convection
D : Transmission of pipe causes neither any time lag nor any heat loss
Practically all the systems have transportation lag :
Options
A : True
B : False
C :
D :
The polar plot of a transfer function passes through the critical point (-1,0).Gain margin is
Options
A : zero
B : -1dB
C : 1dB
D : Infinity
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