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

Signals and Systems

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

Network Theory

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

Control Systems

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

Digital Circuits

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

General Aptitude

Verbal Ability Logical Reasoning Numerical Ability

Electronic Devices and VLSI

PN Junction Semiconductor Physics IC Basics and MOSFET BJT and FET

Analog Circuits

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

Engineering Mathematics

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

Microprocessors

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

Communications

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

Electromagnetics

Waveguides Antennas Miscellaneous Transmission Lines Maxwell Equations Uniform Plane Waves