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BTech Tuition

BTech Tuition

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Anubhav 22 Mar in  BTech Tuition

What is the duration of BTech course?

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Kavya replied | 22 Mar

Duration of BTech course is 4 years 8 semesters.

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Hemant replied | 25 Jun

4year

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Sachanth 22 Mar in  BTech Tuition

What is the difference between Electrical and Mechanical engineering?

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Praveen replied | 26 May

Both streams are completely core engineering branches and electrical engineering covers the way how and effectively using electrical energy by power systems,electrical machine theory and it's complete analysis by emf theory,circuit analysis,control systems

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Venkatesh replied | 07 Jul

Let me know on what basis you want the difference.
Regarding choosing the discipline after +2 or
Job Opportunities?
Both are core Engineering fields required in any industry

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Khalilullah replied | 28 Mar

6 subjects. Mostly the basics of all the streams.

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Kavya replied | 31 Mar

There will be six subjects per semester.

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Unique Ndt Inspection Services replied | 24 Mar

yes

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Rushikesh replied | 27 Mar

Yes for first sem all subjects are similar to all streams except one or two. Basic aim is to give all students foundation to engineering.

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Paromita 21 Mar in  BTech Tuition

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Paras replied | 30 Jun

¨Dynamic Resistance of a P-N junction diode is the small change in forward voltage to small change in forward current at a particular operating point.

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G Goutham replied | 30 Jun

Dynamic resistance is word refer with respect VI characteristics of any electrical and electronics devices. It is nothing but the resistance offered by the device during the particular period of time or change in voltage to change in current. During run time what is resistance at corresponding time.

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Rajdeep 21 Mar in  BTech Tuition

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Arun replied | 25 May

The peak inverse voltage is either the specified maximum voltage that a diode rectifier can block, or, alternatively, the maximum that a rectifier needs to block in a given application.

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G Goutham replied | 30 May

Peak inverse voltage

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Ratan 21 Mar in  BTech Tuition

What is Knee voltage?

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Ashutosh replied | 28 Apr

The minimum voltage required for the device to start functioning. Also known as cut- off voltage or pinch off voltage.

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Sunny replied | 02 May

It is the minimum voltage at which the device would conducts in forward bias mode.
generally 0.7 v for Si diode and 0.3 v for Ge diode.

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Vivekchettri 20 Mar in  BTech Tuition

Please explain the types of polymerization with example?

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Avula replied | 17 Apr

Light in the form of a plane wave in space is said to be linearly polarized. Light is a transverse electromagnetic wave, but natural light is generally unpolarized, all planes of propagation being equally probable. If light is composed of two plane waves of equal amplitude by differing in phase by 90 , then the light is said to be circularly polarized. If two plane waves of differing...  more»
Light in the form of a plane wave in space is said to be linearly polarized. Light is a transverse electromagnetic wave, but natural light is generally unpolarized, all planes of propagation being equally probable. If light is composed of two plane waves of equal amplitude by differing in phase by 90°, then the light is said to be circularly polarized. If two plane waves of differing amplitude are related in phase by 90°, or if the relative phase is other than 90° then the light is said to be elliptically polarized. «less

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Priyanka replied | 20 Apr

Polymerization is the process of connecting these monomers together and creating large macromolecules of different sizes and shapes.
A polymer is a long molecule consisting of many identical or similar building blocks linked by covalent bonds - like how a train consists of a chain of cars.
Most large molecules, or macromolecules, are polymers. The repeating units that...  more»
Polymerization is the process of connecting these monomers together and creating large macromolecules of different sizes and shapes.
A polymer is a long molecule consisting of many identical or similar building blocks linked by covalent bonds - like how a train consists of a chain of cars.
Most large molecules, or macromolecules, are polymers. The repeating units that serve a
A polymer is a long molecule consisting of many identical or similar building blocks linked by covalent bonds - like how a train consists of a chain of cars.
The repeating units that serve as the building blocks of a polymer are small molecules called monomers. «less

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Nemai 20 Mar in  BTech Tuition

What are dendrimers?

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Apoorv replied | 06 Apr

Dendrimers are man made, nanoscale compounds with unique properties that make them useful to the health and pharmaceutical industry as both enhancements to existing products and as entirely new products. Dendrimers are constructed by the successive addition of layers of branching groups. Each new layer is called a generation. The final generation incorporates the surface molecules...  more»
Dendrimers are man made, nanoscale compounds with unique properties that make them useful to the health and pharmaceutical industry as both enhancements to existing products and as entirely new products. Dendrimers are constructed by the successive addition of layers of branching groups. Each new layer is called a generation. The final generation incorporates the surface molecules that give the dendrimer the desired function for pharmaceutical, life science, chemical, electronic and materials applications. «less

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Nithyananda replied | 27 Apr

Dendrimer is a synthetic polymer with a branching, tree-like structure.

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Kunal 19 Mar in  BTech Tuition

What are the conditions of equilibrium of rigid bodies?

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Nithyananda replied | 27 Apr

1. the vector sum of forces on the body must be zero and
2. the vector sum of torques on the body must be zero

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Ashutosh replied | 17 May

For equilibrium the body should be in translational equilibrium (vector sum of forces on the body must be zero) and rotational equilibrium (the vector sum of torques on the body must be zero).

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Harsh 19 Mar in  BTech Tuition

Can you state the laws of dry friction?

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Vikash Lomash replied | 16 Jun

Dry friction resists relative lateral motion of two solid surfaces in contact. Dry friction is subdivided into static friction ("stiction") between non-moving surfaces, and kinetic friction between moving surfaces.

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Deepesh replied | 17 Jun

Law of riction states that Friction will oppose the relative motion between two surfaces .

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Manchala 18 Mar in  BTech Tuition

What are Ultrasonic Waves?

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Vishal replied | 18 Mar

These are the waves having frequencies (Vibrations/oscillations of particles) above those of audible sound waves-greater than about 20 kHz. Many animals have the ability to hear sounds in the human ultrasonic frequency range. A presumed sensitivity of roaches and rodents to frequencies in the 40 kilohertz region has led to the manufacture of pest controllers that emit loud sounds...  more»
These are the waves having frequencies (Vibrations/oscillations of particles) above those of audible sound waves-greater than about 20 kHz. Many animals have the ability to hear sounds in the human ultrasonic frequency range. A presumed sensitivity of roaches and rodents to frequencies in the 40 kilohertz region has led to the manufacture of “pest controllers” that emit loud sounds in that frequency range to drive the pests away. «less

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Ashutosh replied | 28 Apr

Vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz.

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Bhushan 18 Mar in  BTech Tuition

What are the advantages of Integrated Circuits?

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Wiztrail replied | 13 Apr

Small, consumes less power, low maintenance, low cost

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Nithyananda replied | 14 Apr

1.Extremely small size -- Thousands times smaller than discrete circuits. It is because of fabrication of various circuit elements in a single chip of semiconductor material.
2.Very small weight owing to miniaturised circuit.
3.Very low cost because of simultaneous production of hundreds of similar circuits on a small semiconductor wafer. 4.Owing to mass production of...  more»
1.Extremely small size – Thousands times smaller than discrete circuits. It is because of fabrication of various circuit elements in a single chip of semiconductor material.
2.Very small weight owing to miniaturised circuit.
3.Very low cost because of simultaneous production of hundreds of similar circuits on a small semiconductor wafer. 4.Owing to mass production of an IC costs as much as an individual transistor.
5.More reliable because of elimination of soldered joints and need for fewer interconnections.
6.Lower power consumption because of their smaller size.
7.Easy replacement as it is more economical to replace them than to repair them.
8.Increased operating speed because of absence of parasitic capacitance effect.
9.Close matching of components and temperature coefficients because of bulk production in batches.
10.Improved functional performance as more complex circuits can be fabricated for achieving better characteristics.
11.Greater ability of operating at extreme temperatures.
12.Suitable for small signal operation because of no chance of stray electrical pickup as various components of an 13.INC are located very close to each other on a silicon wafer.
14.No component project above the chip surface in an INC as all the components are formed within the chip. «less

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Akash 18 Mar in  BTech Tuition

Why modulation is so important?

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Nakka.suneel replied | 14 Apr

It means changes one phase to another phase,ex: mechanical energy is converted in to electrical energy.

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Parul replied | 15 Apr

Modulation is, generically, a means of shifting information from one frequency domain into (typically) a higher frequency domain. This provides a number of benefits; among them:

Two or more input signals with matching or overlapping frequency domains may have their information shifted into disjoint frequency domains; if such signals travel together through a medium, having...  more»
Modulation is, generically, a means of shifting information from one frequency domain into (typically) a higher frequency domain. This provides a number of benefits; among them:

Two or more input signals with matching or overlapping frequency domains may have their information shifted into disjoint frequency domains; if such signals travel together through a medium, having their frequency domains be disjoint will allow them to be separated.

In many cases it's easier to uniformly handle signals where the minimum frequency is a substantial fraction of the maximum, than signals where the maximum is many times the minimum. An audio signal whose frequency content is 20-20,000Hz has a 1,000:1 spread between the minimum and maximum frequencies. If such a signal were amplitude-modulated at 1MHz, the spread would be about 4% [from 980,000Hz to 1,020,000Hz]. Even if there were no other radio communications anywhere in the world, trying to design an antenna which could work well with a 1,000:1 frequency spread (from 20Hz to 20KHz) would be very difficult. Designing an antenna to deal with a 4% spread would be much easier.

Some use cases for modulation exploit both benefits; others only rely upon one or the other. «less

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Meenakshisundarams 17 Mar in  BTech Tuition

What is the role of Civil Engineers in the infrastructure development of a country?

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Vimala replied | 17 Mar

designing the structure of building

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Harsha replied | 05 Jun

especially every finger of a hand has its unique importance. Like the same when we talk about infrastructure the roots of engineering starts with #Architecture #Structural engineering #civil engineering #project management. So in the context of civil engineering execution plays major role which initiates real time practical engineering. So the creditof creating lines into real...  more»
especially every finger of a hand has its unique importance. Like the same when we talk about infrastructure the roots of engineering starts with #Architecture #Structural engineering #civil engineering #project management. So in the context of civil engineering execution plays major role which initiates real time practical engineering. So the creditof creating lines into real structures goes to a civil engineer. «less

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Nasar 17 Mar in  BTech Tuition

What is ranging?

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Karthik replied | 17 Mar

difference between maximum and minimum

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Ritesh replied | 17 Mar

A term used in surveying in civil engg

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Sandhya 17 Mar in  BTech Tuition

What are the difference between spontaneous & stimulated emissions?

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Nithyananda replied | 14 Apr

Spontaneous emission: electron drops from an excited state to a lower state (no outside mechanism) - emitting a photon.
Stimulated emission (lasers): photon of the same frequency interacts with electron in excited state which drops to lower state - the emitted photon is coherent with the incoming photon .

Detailed description:
Spontaneous emissionis the process...  more»
Spontaneous emission: electron drops from an excited state to a lower state (no outside mechanism) - emitting a photon.
Stimulated emission (lasers): photon of the same frequency interacts with electron in excited state which drops to lower state - the emitted photon is coherent with the incoming photon .

Detailed description:
Spontaneous emissionis the process by which a quantum system such as an atom, molecule, nanocrystal or nucleus in an excited state undergoes a transition to a state with a lower energy (e.g., the ground state) and emits quanta of energy. Light or luminescence from an atom is a fundamental process that plays an essential role in many phenomena in nature and forms the basis of many applications, such as fluorescent tubes, older television screens (cathode ray tubes), plasma display panels, lasers, and light emitting diodes. Lasers start by spontaneous emission, and then normal continuous operation works by stimulated emission.

Stimulated emissionis the process by which an atomic electron (or an excited molecular state) interacting with an electromagnetic wave of a certain frequency may drop to a lower energy level, transferring its energy to that field. A new photon created in this manner has the same phase, frequency, polarization, and direction of travel as the photons of the incident wave. This is in contrast to spontaneous emission which occurs without regard to the ambient electromagnetic field.
However, the process is identical in form to atomic absorption in which the energy of an absorbed photon causes an identical but opposite atomic transition: from the lower level to a higher energy level. In normal media at thermal equilibrium, absorption exceeds stimulated emission because there are more electrons in the lower energy states than in the higher energy states. However, when a population inversion is present the rate of stimulated emission exceeds that of absorption, and a net optical amplification can be achieved. Such a gain medium, along with an optical resonator, is at the heart of a laser or maser. Lacking a feedback mechanism, laser amplifiers and superluminescent sources also function on the basis of stimulated emission.
Stimulated emission was a theoretical discovery by Einstein within the framework of the old quantum theory, wherein the emission is described in terms of photons that are the quanta of the EM field. Stimulated emission can also be described classically, however, without reference to either photons, or the quantum-mechanics of matter «less

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Pallav replied | 02 Jun

When electron lifetime is finish then it release energy(photon) and back to the valence band it is called spontaneous emission.But when photon is incident on electron of conduction band so it release two photon it is called stimulation emission.

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Kumarpalaksha 17 Mar in  BTech Tuition

Why Nano composite is different from ordinary composite?

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Sunny replied | 01 May

The main reason for your question is properties of Nano composite . Every composite are categorized on the basis of their properties. Nano composite are made up of Nano materials.

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Bisal replied | 31 May

fillers will be of nanodimension

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Saritha A.k 17 Mar in  BTech Tuition

What is Rayleigh Scattering?

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Nithyananda replied | 14 Apr

scattering of light by particles small enough to render the effect selective so that different colors are deflected through different angles

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Debraj replied | 15 Apr

Rayleigh scattering refers to the scattering of light off of the molecules of the air, and can be extended to scattering from particles up to about a tenth of the wavelength of the light. It is Rayleigh scattering off the molecules of the air which gives us the blue sky.

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Vignesh 16 Mar in  BTech Tuition

Hi I Have completed my BE(EEE) and i have secured rank holder from anna univ.I have 1.4 years of IT experience in wipro.Is their any vacancy for lecturer post in chennai.I can handle electrical and computer science papers.I am very much interested in teaching

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Pavan replied | 18 Jun

I don't know in Chennai you can try in any polytechnic colleges in bangalore. If you have an MTech degree you can try in any of the engg colleges as asst professor

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First replied | 22 Jun

A relevant M.tech degree would be a must for faculty position at undergraduate level. You have a fairly good chances in polytechnic colleges with EEE stream. Industry experience may also help you in this regard. After gaining at least 2 years of experience you may easily register for a part time ME/M.Tech in any institution of repute which are nearby your work-place. And subsequently...  more»
A relevant M.tech degree would be a must for faculty position at undergraduate level. You have a fairly good chances in polytechnic colleges with EEE stream. Industry experience may also help you in this regard. After gaining at least 2 years of experience you may easily register for a part time ME/M.Tech in any institution of repute which are nearby your work-place. And subsequently after registration you may switch to your desired job. This would be the best possible way out. «less

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Samskriti 16 Mar in  BTech Tuition

What do you understand by “Grade of concrete”

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Nithyananda replied | 14 Apr

Grade of concrete refers to the strength of concrete after a period of 28 days.

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Hrishikesh replied | 18 Apr

The grade tells you the characteristic compressive strength of concrete. Which means if you have 100 concrete cubes of a given grade (say M20), only 5 percent (5 cubes) of the sample will have a strength less than the given characteristic compressive strength (that is 20).

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Akhil 16 Mar in  BTech Tuition

What is the scope of Geotechnical Engineering?

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Nithyananda replied | 14 Apr

Geotechnical engineering uses principles of soil mechanics and rock mechanics to investigate subsurface conditions and materials; determine the relevant physical/mechanical and chemical properties of these materials; evaluate stability of natural slopes and man-made soil deposits; assess risks posed by site conditions; design earthworks and structure foundations; and monitor site...  more»
Geotechnical engineering uses principles of soil mechanics and rock mechanics to investigate subsurface conditions and materials; determine the relevant physical/mechanical and chemical properties of these materials; evaluate stability of natural slopes and man-made soil deposits; assess risks posed by site conditions; design earthworks and structure foundations; and monitor site conditions, earthwork and foundation construction.
A geotechnical engineer uses his education and experience to guard and maintain the earth's physical environment with the development of major public and private projects. His expertise in civil engineering construction and design enable him to safely investigate and analyze sites and determine their present and future stability. So future of geotechnical engineering is very good. «less

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Tularam replied | 07 Jun

As per my experience,limited scope to Geotechnical Engg, if u r plannning MS in US then it is good. Prefer Geology

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Gopinath 16 Mar in  BTech Tuition

What is the scope of Structural Engineering?

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Debraj replied | 17 Mar

As most of the construction works require the service of structural engineers, demand and scope for these engineers are much more than any other engineering

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Harsha replied | 05 Jun

Buildings, tall structures, rockets, automobiles, navy, millatary, every infrastructure, and alot.

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Somil 15 Mar in  BTech Tuition

What is Wet Steam?

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Nithyananda replied | 14 Apr

Wet steam is a mixture of steam and liquid water. It is also called as Supersaturated steam

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Debraj replied | 18 Apr

Wet steam (sometimes called 'supersaturated steam') is a mixture of steam and liquid water. That's why it is said to be a two-phase mix : steam contains droplets of water that hasn't changed phase. In wet steam, water and steam are at saturation temperature.

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Deepthi 15 Mar in  BTech Tuition

Can anyone explain Fourier law of heat conduction?

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Anju replied | 15 Mar

fourier's law of conduction-it states that the rate of heat transfer by conduction along a given direction is directly proportional to temparature gradient along the direction and also directly proportional to the area of heat transfer perpendicular to the direction of heat transfer

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Raman replied | 07 Jun

Fourier law states that heat transfer by conduction is directly proportional to temperature difference and area of heat transfer parallel to direction of heat flow i.e. dQ = -KAdT.
Here K represent the thermal conductivity of body, A is the area and dT is the temp. difference. Negative sign show the heat transfer toward lower temp. body.

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