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 control system. (B) Closed loop control system, Closed loop control system. (C) Open 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.
asked
Apr 28, 2018
by
anonymous
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
asked
Jun 18, 2018
by
anonymous
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.
asked
Mar 10, 2018
by
anonymous
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
asked
Jun 18, 2018
by
anonymous
Description : What is an example of an open loop system?
Answer :
Open loop system. Ex. Electric heater, washing machine, fan, electric switch, etc
asked
Mar 10, 2018
by
anonymous
Description : What is the automatic control system?
asked
Mar 10, 2018
by
anonymous
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.
asked
Mar 10, 2018
by
anonymous
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
asked
May 3, 2018
by
anonymous
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
asked
May 1, 2018
by
anonymous
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
asked
Apr 30, 2018
by
anonymous
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.
asked
Apr 28, 2018
by
anonymous
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.
asked
Apr 28, 2018
by
anonymous
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.
asked
Apr 28, 2018
by
anonymous
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.
asked
Apr 28, 2018
by
anonymous
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
asked
Apr 26, 2018
by
anonymous
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
asked
Apr 26, 2018
by
anonymous
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
asked
Apr 26, 2018
by
anonymous
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 : 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
asked
Apr 30, 2018
by
anonymous
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
asked
Apr 30, 2018
by
anonymous
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
asked
Apr 26, 2018
by
anonymous
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
asked
Apr 26, 2018
by
anonymous
Description : What is a time variant system?
asked
Mar 11, 2018
by
anonymous
Description : What is a fuzzy inference system?
asked
Mar 10, 2018
by
anonymous
Description : What are the main components of a computer system?
Answer :
CPU,monitor, keyboard and mouse
asked
Mar 10, 2018
by
anonymous
Description : What is the difference between a line voltage and low voltage control system?
asked
Mar 10, 2018
by
anonymous
Description : What are the components of a power system?
Answer :
generator Traansformer Conductors Insulators
asked
Mar 10, 2018
by
anonymous
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.
asked
Dec 16, 2017
by
anonymous
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.
asked
Aug 10, 2019
by
anonymous
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.
asked
Jul 4, 2019
by
anonymous
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.
asked
Sep 7, 2018
by
anonymous
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
asked
Jun 18, 2018
by
anonymous
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
asked
Jun 18, 2018
by
anonymous
Description : What is the traction system?
asked
Mar 11, 2018
by
anonymous
Description : What is stable and unstable system?
asked
Mar 11, 2018
by
anonymous
Description : What is the impulse response of the system?
asked
Mar 11, 2018
by
anonymous
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
asked
Mar 11, 2018
by
anonymous
Description : What do you mean by signal and system?
asked
Mar 11, 2018
by
anonymous
Description : What is meant by fuzzy system?
asked
Mar 10, 2018
by
anonymous
Description : What is the meaning of computer system organization?
asked
Mar 10, 2018
by
anonymous
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.
asked
Mar 10, 2018
by
anonymous
Description : What are the advantages of an interconnected system?
asked
Mar 10, 2018
by
anonymous
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)
asked
Mar 10, 2018
by
anonymous
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.
asked
Mar 10, 2018
by
anonymous
Description : What is microgrid in power system?
asked
Mar 10, 2018
by
anonymous
Description : What is power system planning?
asked
Mar 10, 2018
by
anonymous
Description : What is the definition of an electrical system?
asked
Mar 10, 2018
by
anonymous
Answer :
VLSI is small and consume less power and its designing is easy.
asked
Sep 24, 2017
by
anonymous
Description : What is Data Acquisition System (DAS) ?
Answer :
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