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For nonlinear systems stability cannot be determined due to:For nonlinear systems stability cannot be determined due to:
The answer is:
D. all of the mentioned


If the impulse response in absolutely integrable then the system is :If the impulse response in absolutely integrable then the system is :
The answer is:
A. absolutely stable


The roots of the transfer function do not have any effect on the stability of the systemThe roots of the transfer function do not have any effect on the stability of the system.
The answer is:
B. false


control systems have unpredictable & nonrepeatablecontrol systems have unpredictable & nonrepeatable.
The answer is:
D. stochastic


The pressure inside the furnace is measured byThe pressure inside the furnace is measured by
The answer is:
A. gauge


On what difference does the pneumatic system works?On what difference does the pneumatic system works?
The answer is:
B. pressure


In a thermal system, the temperature of the medium isIn a thermal system, the temperature of the medium is
The answer is:
D. uniform


How many parameters does process control refer to? 

What is the effect of feedback in the overall gain of the system?What is the effect of feedback in the overall gain of the system?
The answer is:
B. decreases


In a temperature control system, what conversion in signal takes place?In a temperature control system, what conversion in signal takes place?
The answer is:
B. analog to digital


Which of the following are the not characteristics of the closed loop systems?Which of the following are the not characteristics of the closed loop systems?
The answer is:
D. it does not has the ability to control the system transient response


Which one of the following effect in the system is not caused by negative feedback?Which one of the following effect in the system is not caused by negative feedback?
The answer is:
C. increase in distortion


Which of the statement is correct with regard to the bandwidth of the control loop system:Which of the statement is correct with regard to the bandwidth of the control loop system:
The answer is:
A. in systems where the low frequency magnitude in 0 db on the bode diagram, the bandwidth is measured at the 3 db frequency


Which of the statements are the advantages of closed loop systems over the open loop system:Which of the statements are the advantages of closed loop systems over the open loop system:
The answer is:
B. the transient response in closed loop system decays more quickly than in open loop system.


In control system excessive bandwidth is not employed becauseIn control system excessive bandwidth is not employed because
The answer is:
A. noise is proportional to bandwidth


Feedback control system is basicallyFeedback control system is basically
The answer is:
B. low pass filter


Which of the following will not decrease as a result of introduction of negative feedback?Which of the following will not decrease as a result of introduction of negative feedback?
The answer is:
B. bandwidth


As compared to the closed loop system, an open loop system isAs compared to the closed loop system, an open loop system is
The answer is:
A. more stable but less accurate


Insertion of negative feedback in control system affects:Insertion of negative feedback in control system affects:
The answer is:
B. the transient response to decay very fast


Open loop system is stable than closed loop systemOpen loop system is stable than closed loop system
The answer is:
A. more

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