GATE ECE 2015 Set 3 | Basic of Control Systems Question 4 | Control Systems

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GATE ECE 2015 Set 3

MCQ (Single Correct Answer)

-0.3

The impulse response of an LTI system can be obtained by

differentiating the unit ramp response

differentiating the unit step response

integrating the unit ramp response

integrating the unit step response

GATE ECE 2015 Set 1

MCQ (Single Correct Answer)

-0.3

Negative feedback in a closed-loop control system DOES NOT

reduce the overall gain

reduce bandwidth

improve disturbance rejection

reduce sensitivity to parameter variation

GATE ECE 2005

MCQ (Single Correct Answer)

-0.3

Despite the presence of negative feedback, control systems still have problems of instability because the

Components used have nonlinearities.

Dynamic equations of the subsystems are not known exactly.

Mathematical analysis involves approximations.

System has large negative phase angle at high frequencies.

GATE ECE 1998

MCQ (Single Correct Answer)

-0.3

The transfer function of a tachometer is of the form

$$\frac{\mathrm K}{\mathrm s}$$

$$\frac{\mathrm K}{\left(\mathrm s+1\right)}$$

$$\frac{\mathrm K}{\mathrm s\left(\mathrm s+1\right)}$$

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GATE ECE Subjects

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Control Systems

Stability Frequency Response Analysis Compensators State Space Analysis Root Locus Diagram Signal Flow Graph and Block Diagram Time Response Analysis Basic of Control Systems

Engineering Mathematics

Probability and Statistics Transform Theory Numerical Methods Calculus Differential Equations Linear Algebra Vector Calculus Complex Variable

Analog Circuits

Oscillators Operational Amplifier 555 Timer Diodes FET and MOSFET Power Amplifier Frequency Response Bipolar Junction Transistor Feedback Amplifier

Network Theory

Network Elements Sinusoidal Steady State Response Network Theorems Two Port Networks Network Graphs Transient Response State Equations For Networks Miscellaneous

Electromagnetics

Waveguides Miscellaneous Antennas Transmission Lines Uniform Plane Waves Maxwell Equations

Electronic Devices and VLSI

IC Basics and MOSFET PN Junction BJT and FET Semiconductor Physics

Digital Circuits

Sequential Circuits Number System and Code Convertions Logic Gates Combinational Circuits Semiconductor Memories Logic Families Analog to Digital and Digital to Analog Converters Boolean Algebra

Microprocessors

Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085

Signals and Systems

Discrete Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Representation of Continuous Time Signal Fourier Series Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Continuous Time Linear Invariant System Discrete Time Signal Z Transform Sampling

Communications

Fundamentals of Information Theory Noise In Digital Communication Digital Communication Systems Random Signals and Noise Analog Communication Systems

General Aptitude

Verbal Ability Logical Reasoning Numerical Ability