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What is a servomechanism system?

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Description : Consider the following systems : (i) a normal human being walking on the road, and (ii) servomechanism. Systems (i) and (ii) are, respectively, (A) Open loop control system, Open loop ... loop control system, Closed loop control system. (D) Closed loop control system, Open loop control system.

Answer : Consider the following systems : (i) a normal human being walking on the road, and (ii) servomechanism. Systems (i) and (ii) are, respectively, (A) Open loop control ... loop control system, Closed loop control system. (D) Closed loop control system, Open loop control system.

Description : What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth 

Answer : What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth 

Description : What is the time response of a system whose poles lie on the right hand side of s-plane? A) Exponentially increasing B) Exponentially decreasing C) Sinusoidal oscillations D) Step response 

Answer : What is the time response of a system whose poles lie on the right hand side of s-plane? A) Exponentially increasing B) Exponentially decreasing C) Sinusoidal oscillations D) Step response 

Description : What are some examples of a closed loop system?

Answer : C.L s/m. EX. Air conditioner (AC), rocket launcher, radar system, voltage stabilizer etc.

Description : What is an example of an open loop system?

Answer : Open loop system. Ex. Electric heater, washing machine, fan, electric switch, etc

Description : What is the automatic control system?

Description : What are the advantages of open loop control system?

Answer : Open loop control system are simple to design. Open loop control system are generally stable.

Description : Draw the labeled block diagram of process control system and explain each block.

Answer : Explanation - Process control system consists of process or plant, sensor, error detector, automatic Controller, actuator or control element. 1) Process or plant- process means some manufacturing sequence ... process which changes the process variable. Output of this block is denoted by u .

Description : Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is

Answer : Given a unity feedback system with G(s)=k/s (s+4), the value of k for damping ratio of 0.5 is 16

Description : A system is linear if and only if it satisfies

Answer : A system is linear if and only if it satisfies principle of superposition and principle of homogeneity

Description : How can the steady-state error in a system be reduced?  (1) By decreasing the type of system (2) By increasing system gain (3) By decreasing the static error constant (4) By increasing the input

Answer : How can the steady-state error in a system be reduced?  (1) By decreasing the type of system (2) By increasing system gain (3) By decreasing the static error constant (4) By increasing the input

Description : Phase margin is the amount of angle to make the system  (1) Oscillatory (2) Stable (3) Unstable (4) Exponential

Answer : Phase margin is the amount of angle to make the system Unstable 

Description : If the gain of the open loop system is doubled, the gain margin  (1) Is not affected (2) Gets doubled (3) Becomes half (4) Becomes one -forth

Answer : If the gain of the open loop system is doubled, the gain margin Becomes half

Description : A differentiator is not usually used in control system, because it : - (A) reduces damping  (B) increases error  (C) reduces gain margin  (D) increases input noise

Answer : A differentiator is not usually used in control system, because it : - increases input noise

Description : In Torque-Voltage analogy, the Moment of Inertia of a mechanical rotational system is analogous to (A) Capacitance C. (B) Inductance L. (C) Resistance R. (D) Inductive reactance XL

Answer : In Torque-Voltage analogy, the Moment of Inertia of a mechanical rotational system is analogous to Inductance L.

Description : Observability of a system is essential for (A) finding a solution to the state equation. (B) finding a suitable model in state space. (C) transferring the state of the system from any initial value to any specified final value. (D) state estimation.

Answer : Observability of a system is essential for state estimation.

Description : A unity negative feedback control system is found to have a gain margin of 20 dB. The Nyquist plot of the system (A) crosses the real axis at +0.1 (B) crosses the real axis at -0.1. (C) crosses the imaginary axis at -0.1 (D) crosses the imaginary axis at +0.1

Answer : A unity negative feedback control system is found to have a gain margin of 20 dB. The Nyquist plot of the system crosses the real axis at -0.1.

Description : A second order system shows 100% overshoot in its unit step response. It can be categorized as (A) underdamped system. (B) overdamped system. (C) Critically damped system. (D) undamped system.

Answer : A second order system shows 100% overshoot in its unit step response. It can be categorized as undamped system.

Description : lf the poles of system are lying on the imaginary axis in s-plane, then the system will be

Answer : lf the poles of system are lying on the imaginary axis in s-plane, then the system will be marginally stable

Description : The damping factor of a particular system is unity, the system response will be

Answer : The damping factor of a particular system is unity, the system response will be critically damped

Description : The steady state error of the system can be minimized by

Answer : The steady state error of the system can be minimized by increasing gain k

Description : Consider a continuous-time system with input x(t) & output y(t) are related by y(t) = x (sin t). This system is (A) causal & linear (B) non-causal & linear (C) causal & non-linear (D) non-causal & non-linear

Answer : Consider a continuous-time system with input x(t) & output y(t) are related by y(t) = x (sin t). This system is non-causal & linear

Description : Negative feedback in a closed-loop control system DOES NOT (A) reduce the overall gain (B) reduce bandwidth (C) improve disturbance rejection (D) reduce sensitivity to parameter variation

Answer : Negative feedback in a closed-loop control system DOES NOT reduce bandwidth

Description : What are advantages and disadvantages of Mechatronics system? 

Answer : Advantages of Mechatronics system:  High level of integration.  Increased functionality and better design.  More use of electronics and software instead of mechanical function.  Assumes ... Its replacement is difficult, that it is difficult to change old system to new system. 

Description : What are the disadvantages of Open loop control system?

Answer : Open loop control system are less reliable. In open loop control system Optimization is not possible. Open loop control system are less accurate.

Description : What is the choice of size and number of generator units in interconnected power system?

Answer : Choice of Size and Number of Generating Units: 1. The size/rating and number of generating units in such way that they approximately match with the load curve as closely as possible. 2. In ... , if power plant is connected to grid system then generating unit of higher capacity can be installed.

Description : What are the components of system bus? A) CPU Bus, Address Bus, Data Bus B) Memory, Control Unit, ALU C) Data Bus, Address Bus, Control Bus D) Register, PC, IR

Answer : What are the components of system bus? A) CPU Bus, Address Bus, Data Bus B) Memory, Control Unit, ALU C) Data Bus, Address Bus, Control Bus D) Register, PC, IR

Description : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

Answer : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

Description : What is the traction system?

Description : What is stable and unstable system?

Description : What is the impulse response of the system?

Description : What is a time variant system?

Description : What is the meaning of LTI system?

Answer : The system which satisfies both linearity and time invarient is called linear time invarient (LTI) systrm

Description : What do you mean by signal and system?

Description : What is a fuzzy inference system?

Description : What is meant by fuzzy system?

Description : What are the main components of a computer system?

Answer : CPU,monitor, keyboard and mouse

Description : What is the meaning of computer system organization?

Description : What is the difference between a line voltage and low voltage control system?

Description : What is sag in power system?

Answer : Sag is a catenary curve in between two points of supporters.and also we can say the lowest point of the conductor in between the two points of supporters. 

Description : What are the advantages of an interconnected system?

Description : What are interconnected power system?

Answer : Interconnected power systems are those which connect different geographic regions. In Australia we have a National Electricity Grid which connects 6 states. Transfers of power occur between the states depending ... make more profit from this.National-Electricity-Market-Fact-Sheet.pdf (0,9 MB)

Description : What is meant by feeder in power system?

Answer : A feeder line is a peripheral route or branch in a network which connects smaller or more remote nodes with a route or branch carrying heavier traffic. The term is applicable to any system based on a hierarchical network.

Description : What are the components of a power system?

Answer : generator Traansformer Conductors Insulators

Description : What is microgrid in power system?

Description : What is power system planning?

Description : What is the definition of an electrical system?

Description : What is a hard real time system?

Answer : If the real-time systems have minimum interrupt latency and task deadline with prescribe time limits then it is known as hard real-time systems.  If these two requirements meet in real time systems but not always then it is known as soft real-time systems.

Answer : VLSI is small and consume less power and its designing is easy.

Description : What is Data Acquisition System (DAS) ?

Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

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