Question 41 : " Assertion (A): In the error detector configuration using a synchro transmitter and synchro control transformer, the latter is connected to the error amplifier.
Reason (R): Synchro control transformer has almost a uniform reluctance path between the rotor and the stator."
1. " Both A and R are true and R is correct explanation of A"
2. " Both A and R are true and R is not correct Explanation of A"
3. " A is True and R is false"
4. " A is False and R is true"
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Question 42 : " State space analysis is applicable for non-linear systems and for multiple input and output systems."
1. " True"
2. " False"
3.
4.
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Question 43 : " Which of the following is an electromechanical device ?"
1. " Induction relay"
2. " Thermocouple"
3. " LVDT"
4. " Any of the mentioned"
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Question 44 : " Assertion (A): In a shunt regulator, the control element is connected in shunt with the load to achieve constant output voltage.
Reason (R): The impedance of the control element varies to keep the total current flowing through the load and the control element constant."
1. " Both A and R are true and R is correct explanation of A"
2. " Both A and R are true and R is not correct Explanation of A"
3. " A is True and R is false"
4. " A is False and R is true"
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Question 45 : " State model is generally not suitable for measuring:"
1. " Investigation of system properties"
2. " Evaluation of time response"
3. " Real variables"
4. " Both a and b"
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Question 46 : " The diagonalizing matrix is also known as:"
1. " Eigen matrix"
2. " Modal matrix"
3. " Constant matrix"
4. " State matrix"
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Question 47 : System transformation on function H(z) for a discrete time LTI system expressed in state variable form with zero initial condition
1. C(zI-A)^-1B+D
2. C(zI-A)^-1
3. (zI-A)^-1z
4. (zI-A)^-1
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Question 48 : " Assertion (A): Many of the linear control system transfer function do not have poles or zeroes in the right half s-plane.
Reason (R): These are called minimum phase transfer function."
1. " Both A and R are true and R is correct explanation of A"
2. " Both A and R are true and R is not correct Explanation of A"
3. " A is True and R is false"
4. " A is False and R is true"
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Question 49 : " In case of DC servomotor the back-emf is equivalent to an 'electric friction' which tends to :"
1. " Improve stability of the motor"
2. " Slowly decrease stability of the motor"
3. " Vary rapidly decrease stability of the motor"
4. " Have no effect on stability"
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