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Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Tests  >  Test: State Models For Linear Continuous : Time Systems - Electrical Engineering (EE) MCQ

Test: State Models For Linear Continuous : Time Systems - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test - Test: State Models For Linear Continuous : Time Systems

Test: State Models For Linear Continuous : Time Systems for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: State Models For Linear Continuous : Time Systems questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: State Models For Linear Continuous : Time Systems MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: State Models For Linear Continuous : Time Systems below.
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Test: State Models For Linear Continuous : Time Systems - Question 1
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Consider the following servomotors:
1. AC-two phase servomotor
2. DC servomotor
3. Hydraulic servomotor
4. Pneumatic servomotor
The correct sequence of these servomotor in increasing order of power handling capacity is:

Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 1

Answer: c
Explanation: Power handling capacity is the capacity of the system where the system can handle very high power and among the given is maximum DC servomotor.

Test: State Models For Linear Continuous : Time Systems - Question 2
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Open loop transfer function of a system having one zero with a positive real value is called.

Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 2

Answer: d
Explanation: Non-minimum phase system has zero lying on the right half but not pole and combination of the all pass and minimum phase system can be non-minimum phase system.

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Test: State Models For Linear Continuous : Time Systems - Question 3
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Assertion (A): The stator winding of a control transformer has higher impedance per phase
Reason (R): The rotor of control transformer is cylindrical in shape.

Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 3

Answer: b
Explanation: The control transformer has two parts as stator which is stationary having higher impedance and rotor which was rotatory was cylindrical in shape.

Test: State Models For Linear Continuous : Time Systems - Question 4
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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.
Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 4

Answer: c
Explanation: Shunt regulator refers to the winding connected in shunt or parallel and to achieve constant output voltage

Test: State Models For Linear Continuous : Time Systems - Question 5
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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.
Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 5

Answer: c
Explanation: Synchro control transformer is amplifier that is used to amplify the error and synchro transmitter is used to detect error.

Test: State Models For Linear Continuous : Time Systems - Question 6
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A tachometer is used as an inner loop in a position control servo-system. What is the effect of feedback on the gain of the sub-loop incorporating tachometer and in the effective time constant of the system?
Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 6

Answer: a
Explanation: Tachometer is the device that is used to control the speed of motor in the control system and Feedback and effective time constant of the system both are reduced on the gain of the sub-loop.

Test: State Models For Linear Continuous : Time Systems - Question 7
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If the initial conditions are inherently zero, what does it physically mean?
Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 7

Answer: c
Explanation: A system with zero initial condition is said to be at rest since there is no stored energy.

Test: State Models For Linear Continuous : Time Systems - Question 8
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In case of DC servomotor the back-emf is equivalent to an “electric friction” which tends to :
Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 8

Answer: a
Explanation: Back emf is the voltage that is generated in absence of the input and in case of DC servomotor tends to improve the stability of the motor.

Test: State Models For Linear Continuous : Time Systems - Question 9
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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?
Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 9

Answer: c
Explanation: Operating pressure of pneumatic as the control,action is mainly to control the flow of air is more and also no leakage is permitted in hydraulic systems.

Test: State Models For Linear Continuous : Time Systems - Question 10
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The transfer function of a LTI system is given as 1/(s+1). What is the steady-state value of the unit-impulse response?
Detailed Solution for Test: State Models For Linear Continuous : Time Systems - Question 10

Answer: a
Explanation: Steady state value is the final value and it is calculated from the final vale theorem and final value theorem is applicable for the stable systems only.

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