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Mindblown: a blog about philosophy.

  • What do you understand by CC of engine?

    Answer: The meaning of CC is cubic centimeters. It represents the total volume of the engine cylinder. This reflects that the engines with more CC can generate more powers than the other engines. CC can also be related as inversely proportional to the fuel consumption.

  • Definition of Octane number & Cetane number

    Answer:

  • What is the range of engine efficiency in case of two stroke engine?

    Answer: The two stroke engines have very high range to be compared to the four stroke engines. Because power stroke is generated every two revolution while in four stroke, power stroke is generated every four revolutions.

  • How will you differentiate b\w two stroke engine & four stroke engines?

    Answer: 2-stroke piston engine has an intake and an exhaust stroke. All air, fuel, and combustion products must be moved in those 2 strokes. A 4-stroke engine has a separate stroke for moving burned (or burning) and unburned mixtures – intake, compression, expansion, and exhaust. Using 4-stroke results in cleaner emissions at the expense of specific…

  • What is Automobile Engineering? 

    Answer: Automobile Engineering is a branch of engineering which deals with designing, manufacturing and operating automobiles. It is a segment of vehicle engineering which deals with motorcycles, buses, trucks, etc. It includes mechanical, electrical, electronic, software and safety elements.

  • FLUIDISED BED BOILER

    Fluidised bed boilers produce steam from fossil and waste fuels by using a technique called fluidised bed combustion (FBC). 1 Bubbling Fluidised Bed Boiler (BFBB) A schematic diagram of BFBB is shown in Fig. 3.18. In this boiler, crushed coal (6−20 mm) is injected into the fluidised bed of limestone just above an air-distribution grid at…

  • Mechanism of Separation of Moisture in Drum

    The separation of steam from steam-water mixture can be done by the following methods: The internal details of a controlled circulation boiler are shown in Fig. 3.17. Figure 3.17 Drum internals of a controlled circulation boiler

  • STEAM DRUM

    The purposes of drum used in boiler are as follows: A mixture of water, steam, foam and sludge is discharged into the drum by the risers. Steam must be separated from the mixture before it leaves the drum. Any moisture carried with steam to the superheater tubes contains dissolved salts. In the superheater, water evaporates…

  • CIRCULATION

    The flow of water and steam within the boiler circuit is called circulation. The insulated downcomers carry water from the steam drum to the header and are located outside the furnace. The risers are located inside the furnace and carry steam to the steam drum from the header. Risers installed all around the four-walls of…

  • HIGH PRESSURE BOILERS

    In all modern power plants, boilers raising steam at pressures greater than 100 bar are universally used. These are called high pressure boilers. They offer the following advantages: 1 Boiler Circulation There are four types of boiler circulation as follows. 2 Advantages of Forced Circulation Boilers The advantages of forced circulation boilers are as follows:…

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