Question 21 : " __________directly converts temperature into voltage."
1. " Thermocouple"
2. " Potentiometer"
3. " Gear train"
4. " LVDT"
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Question 22 : " An amplidyne can give which of the following characteristics?"
1. " Constant current"
2. " Constant voltage"
3. " Constant current as well as constant voltage"
4. " Constant current, constant voltage and constant power"
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Question 23 : " Peak overshoot of step-input response of an underdamped second-order system is explicitly indicative of"
1. " Settling time"
2. " Rise time"
3. " Natural frequency"
4. " Damping ratio"
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Question 24 : " Polar plot of G (jw) = 1/jw(jw+t) is"
1. " Crosses the negative real axis"
2. " Crosses the negative imaginary axis"
3. " Crosses the positive imaginary axis"
4. " None of the mentioned"
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Question 25 : " The transfer function is applicable to which of the following?"
1. " Linear and time-in variant systems"
2. " Linear and time-variant systems"
3. " Linear systems"
4. " Non-linear systems"
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Question 26 : " In force-voltage analogy, velocity is analogous to:"
1. " Current"
2. " Charge"
3. " Inductance"
4. " Capacitance"
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Question 27 : " A signal other than the reference input that tends to affect the value of controlled variable is known as"
1. " Disturbance"
2. " Command"
3. " Control element"
4. " Reference input"
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Question 28 : " Zeroes are defined as:"
1. " Roots of the denominator of the closed loop transfer function"
2. " Roots of the numerator of the closed loop transfer function"
3. " Both of the mentioned"
4. " None of the mentioned"
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Question 29 : " Mass, in force-voltage analogy, is analogous to:"
1. " Charge"
2. " Current"
3. " Inductance"
4. " Resistance"
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Question 30 : " Which of the following is the output of a thermocouple?"
1. " Alternating current"
2. " Direct current"
3. " A.C. voltage"
4. " D.C. voltage"
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