Question 11 : " ____________directly converts temperature into voltage."
1. " Thermocouple"
2. " Potentiometer"
3. " Gear train"
4. " LVDT"
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Question 12 : " If the initial conditions are inherently zero, what does it physically mean?"
1. " The system is at rest but stores energy"
2. " The system is working but does not store energy"
3. " The system is at rests or no energy is stored in any of its parts"
4. " The system is working with zero reference input"
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Question 13 : " A differentiator is usually not a part of a control system because it"
1. " Reduces damping"
2. " Reduces the gain margin"
3. " Increases input noise"
4. " Increases error"
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Question 14 : " Consider the following statements for the pneumatic and hydraulic systems:
1. The normal operating pressure of pneumatic control is very much higher than that of hydraulic control.
2. In, pneumatic control external leakage is permissible to a certain extent, but there should no leakage in a hydraulic control.
Which of the statements given above is/are correct?"
1. " 1 only"
2. " 2 only"
3. " Both 1 and 2"
4. " Neither 1 and 2"
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Question 15 : " ______________ are the techniques for converting general state models into canonical one."
1. Observable
2. Controllable
3. Diagoanlization
4. Cannonical
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Question 16 : " The transfer function of any stable system which has no zeros or poles in the right half of the s-plane is said to be:"
1. " Minimum phase transfer function"
2. " Non-minimum phase transfer function"
3. " Minimum phase frequency response function"
4. " Minimum gain transfer function"
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Question 17 : " The impulse response of a linear LTI system is given as g (t) = e^(-t)The transfer function of the system is equal to:"
1. " 1/s"
2. " 1/s(s+1)"
3. " 1/(s+1)"
4. " s/(s+1)"
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Question 18 : " In an open loop control system"
1. " Output is independent of control input"
2. " Output is dependent on control input"
3. " Only system parameters have effect on the control output"
4. " None of the mentioned"
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Question 19 : " Which of the following is exhibited by Root locus diagrams?"
1. " The poles of the transfer function for a set of parameter values"
2. " The bandwidth of the system"
3. " The response of a system to a step input"
4. " The frequency response of a system"
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Question 20 : " With feedback _____ reduces."
1. " System stability"
2. " System gain"
3. " System stability and gain"
4. " None of the mentioned"
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