Do you know some basic terms about Internal Combustion Engine ???

Do you know some basic terms about Internal Combustion Engine ???

Octane number: It is an index to measure the ignition quality of a fuel for spark ignition (SI) engine. An engine using high ON fuel has greater resistance to detonation and runs smoothly.

Cetane number: It is an index to measure the antiknock quality of compression ignition (CI) engine fuel. It is a scale for comparing the ignition delay angle of various diesel fuels.

Bore: The inside diameter of the cylinder is called bore.

Engine noise: it depends on the peak pressure in the engine. It affects the low frequency noise. As the peak pressure in the engine remains the same irrespective of the load on the engine, lower frequency noise is lower than in constant compression ratio engine.

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What is exactly Draught System in Boiler ????

Draught System in Boiler:

The draught system is basically used in boilers due to the reasons ---

1. To supply to the furnace the required quantity of air for complete combustion

2. To remove the gaseous products of combustion from the furnace and throw these through chimney

FD Fan: The FD fan or blower is installed near or at the base of the boiler to force the air through the cool bed and other passages through the furnace; it creates a positive pressure in the furnace and overcomes the resistance in the air pre-heater and grate.

ID Fan: The ID Fan is located at or near the base of the chimney and it provides negative pressure in the furnace and flues. It overcomes draught losses through boiler, economizer, and air pre-heater and the connecting flues. Its function is similar to that of the natural draught.

     There is a minimum amount of air, which is required by the fuel to burn completely. But always air in excess is used because whole of the air supplied for combustion purpose does not come in contact with the fuel completely and as such a portion of the fuel may be left unburnt. 

But if a large quantity of excess air is used, it exercises a cooling effect on combustion products. Hence a proper control of the right amount of excess air has to be maintained for optimum combustion efficiency. This can be ensured when the smoke from the chimney becomes just visible.

Do you know about 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 esta

blished 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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Which stream do I select in Engineering ???

Which stream do I select in Engineering ???

Many students are choosing to focus their education and career goals in one of the fields of engineering and with a good reason: employment opportunities for many types of engineers are expected to grow significantly over the next decade.

We will discuss some of the hot trending engineering sectors in this blog.

PETROLEUM ENGINEERING

While a growing number of industries are looking to cleaner forms of energy, there still is an overall dependence on fossil fuels and the work of petroleum engineers. Petroleum engineers are responsible for designing and developing ways to extract oil and gas from deposits beneath the ground. Furthermore, some petroleum engineers focus on discovering new ways to extract oil and gas from older wells already in existence.

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INDUSTRIAL ENGINEERING

The work of an industrial engineer is generally focused on the concept of efficiency in production. An industrial engineer may be tasked with developing efficient systems that integrate workers, machines, information, materials and energy in the creation of a product or the provision of a specific service.

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COMPUTER HARDWARE ENGINEERING

Computer hardware engineers generally research, design, develop and test computer systems, as well as components such as processors, memory devices, networks, circuit boards, and routers. Many perform detailed research to help advance the field of computer systems.

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For furthermore engineering field, We will explore in the next blog.

Thanks for your patience for reading this blog.