Question 1 : " Amplifier:"
1. " Armature controlled FHP DC motor"
2. " A pair of synchronous transmitter and control transformer"
3. " Tach generator"
4. " Amplidyne"
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Question 2 : " Which of the following can be measured by LVDT?"
1. " Displacement"
2. " Velocity"
3. " Acceleration"
4. " All of the mentioned"
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Question 3 : " Servomotor:"
1. " Armature controlled FHP DC motor"
2. " A pair of synchronous transmitter and control transformer"
3. " Tach generator"
4. " Amplidyne"
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Question 4 : " State models presented employed:"
1. " Physical variables"
2. " Phase variables"
3. " Canonical variables"
4. " All of the mentioned"
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Question 5 : " Assertion (A): Transfer function approach has limitation that it reveals only the system output for a input and provides no information regarding the internal state of the system.
Reason (R): There may be situations where the output of a system is stable and yet some of the system elements may have a tendency to exceed their specified ratings."
1. " Both A and R are true and R is correct explanation of A"
2. " Both A and R are true but R is not correct explanation of A"
3. " A is true but R is False"
4. " A is False but R is True"
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Question 6 : " In servo-system, the device used for derivative feedback is known as:"
1. " Synchro"
2. " Servomotor"
3. " Potentiometer"
4. " Tacho generator"
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Question 7 : " In a control system integral error compensation _______ steady state error"
1. " Increases"
2. " Minimizes"
3. " Does not have any effect on"
4. " All of the mentioned"
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Question 8 : " For two-phase AC servomotor, if the rotor's resistance and reactance are respectively R and X, its length and diameter are respectively L and D then,"
1. " X/R and L/D are both small"
2. " X/R is large but L/D is small"
3. " X/R is small but L/D is large"
4. " X/R and L/D are both large"
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Question 9 : " The transfer function technique is considered as inadequate under which of the following conditions?"
1. " Systems having complexities and non-linearity's"
2. " Systems having stability problems"
3. " Systems having multiple input disturbances"
4. " All of the mentioned"
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Question 10 : " The closed loop transfer function of a unity negative feedback system is 100/(s²+8s+100). Its open loop transfer function is:"
1. " 100/s+8"
2. " 1/s²+8s"
3. " 100/s²-8s"
4. " 100/s²+8s"
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