Do you know about Optical Fibre ???

Optical fibres are glass or plastics as thin as human hair, designed to guide light waves along their length.

An optical fibre works on the principle of total internal reflection. When light enters through one end of the fibre it undergoes successive total internal reflections from side wall and travels down the length of the fibre along a zigzag path.

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A small fraction of light may escape through side walls but a major fraction emerges out from the other end of the fibre.

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Do you know what is the role of a carburetor in an engine ??

See,

Carburettor is a mixing device to supply the engine with air-fuel mixture. It atomizes the fuel and mixes it with air in varying proportions to meet the changing operating conditions of the engine. It is required to have the following characteristics –

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1.  To meter and supply the proper quantity and proportion of air and fuel at correct strength at all conditions of load and speed of the engine for –

• Starting from cold
• Providing a rich mixture for slow idling
• Providing a rich mixture for acceleration
• Providing a rich mixture for high speed
• Providing a rich mixture for low speed when moving up a gradient

2.  To operate satisfactorily on levels and hills

3. To overcome air-cleaner restrictions

4.  To withstand vibrations and road jerks.

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Interference v/s Diffraction

Interference refers to the phenomenon where two waves of the same kind overlap to produce a resultant wave of greater, lower, or the same amplitude. 

Diffraction is defined as the bending of a wave around the corners of an obstacle or aperture.

In interference the intensity of all the positions on maxima are of similar intensity in interference while In diffraction, there is a variance of the intensity of positions.

If the number of sources is few such as two sources, then they are referred to as interference sources while If the number of sources is many, that is more than two then it is referred to as diffraction sources.

What is difference between Interference and Diffraction !!!!

Interference refers to the phenomenon where two waves of the same kind overlap to produce a resultant wave of greater, lower, or the same amplitude.  In interference the intensity of all the positions on maxima are of similar intensity in interference. The width of the fringes in interference is equal in interference.

If the number of sources is few such as two sources, then they are referred to as interference sources.

Diffraction is defined as the bending of a wave around the corners of an obstacle or aperture. In diffraction, there is a variance of the intensity of positions. The width of the fringes is not equal in interference.

If the number of sources is many, that is more than two then it is referred to as diffraction sources.

What is exactly Simulation Modeling

Simulation modeling is the process of creating and analyzing a digital prototype of a physical model to predict its performance in the real world. 

Simulation modeling is basically used to help designers and engineers understand whether, under what conditions, and in which ways a part could fail and what loads it can withstand.

Simulation modeling can also help to predict fluid flow and heat transfer patterns. It analyses the approximate working conditions by applying the simulation software.

Simulation modeling follows a process much like this:

1. Use a 2D or 3D CAD tool to develop a virtual model, also known as a digital prototype, to represent a design.
2. Generate a 2D or 3D mesh for analysis calculations. Automatic algorithms can create finite element meshes, or users can create structured meshes to maintain control over element quality.

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New trends that can help shape the future of Engineering

Digital adoption is a massive opportunity for companies that leverage the right technologies

Cloud Computing

The majority of companies have or will be using some aspect of Cloud computing. The future of Cloud computing will straddle both private and public clouds, adding new challenges to the role of IT.

Artificial intelligence (AI)

AI enables producers to make sense of the overwhelming data that their factories, operations and consumers generate, and to transform that data into meaningful decisions.

Applying AI to the connectivity of Internet of Things (IoT), producers are able to orchestrate and streamline business processes from desktops to machines, across department walls and tiers of suppliers.

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Higher Education System in India

Higher Education System in India

India’s higher education system is highly centralized and undergoing large changes since its inception in 1947. Largely based upon the British system of education, educational policy is ever-developing.

The All-India Council of Technical Education (AICTE) was also established to oversee quality control of technical education and regulate establishment of new private professional colleges.

Admission to undergraduate courses generally requires completion of the Standard XII years of schooling and admittance to university depends almost exclusively upon performance on the examination.

Beginning in 2015, the Choice Based Credit System (CBCS) was introduced by the UGC in attempts to encourage a more interdisciplinary approach to education and offer more flexibility and choice to students. The reform also introduced a standardized assessment and grading plan based upon a 10 point scale.

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Technical Education in India

Technical Education in India

What is ??

Technical education, the academic and vocational preparation of students for jobs involving applied science and modern technology. It emphasizes the understanding and practical application of basic principles of science and mathematics.

Why it is important??

Everyone is aware of the importance of technical education. It helps students to develop theoretical and practical knowledge. It improves the quality of living standard by producing trained and experienced manpower.

How it is managed ??

At present, Management of the Institution in India is three-pronged:

• Direct Government Controlled Institutions.
• Direct Financial Aided Institutions
• Unaided Institution managed by private agencies from their own financial resources.

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What is VLSI ????

What is ??

Very-large-scale integration (VLSI) is the process of creating an integrated circuit (IC) by combining thousands of transistors into a single chip. An electronic circuit might consist of a CPU, ROM and RAM. VLSI lets IC designers add all of these into one chip.

Where is ??

VLSI circuits are used everywhere, real applications include microprocessors in a personal computer or workstation, chips in a graphic card, digital camera or camcorder, chips in a cell phone or a portable computing device, and embedded processors in an automobile.

Opportunities ??

Yaa Ofcourse !!

VLSI professionals are always in high demand in the fast-changing chip designing industry.

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Computer Aided Process Planning (CAPP)

What is Computer Aided Process Planning (CAPP) ???

A set of inter related work activities that are characterized by a set of specific inputs and value added tasks that produce a set of specific output is called ‘process’ and ‘process planning’ refers to a set of instructions that are used to make a component or a part so that the design specifications are met. 

     The manual experience based process planning method is most widely used. The biggest problem with this approach is that it is time consuming and the plans developed over a period of time may not be consistent.

Computer aided process planning (CAPP) is able to handle comfortably the complex task of viewing the total operation as an integrated system. In CAPP, all the individual operations and steps involved in making each part or component are coordinated with each other and are performed efficiently and reliably. CAPP is a powerful tool for efficiently planning and scheduling manufacturing operations.

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