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IMPORTANT TERMS:
Fire Box: Place where fuel is burnt.
Grate : The fuel is burnt on this.
Baffles: Plates are used for directing the flow of flue gasses.
Chimney: For ensuring that spent flue gasses exit the boiler at reasonable height. It helps in creation of natural draught.
Damper: Regulates amount of air through chimney.
Headers: Pipes which are connected to tubes and drums.
Tubes: For enabling the transfer of heat from the flue gasses to water.
Shell: The cylindrical vessel which has water to be converted to steam.
Mountings: For guaranteeing safe and satisfactory performance
Safety Valve: It releases steam if pressure inside boiler exceeds certain design limits. It can be of dead weight, spring loaded and lever types.
1.Calculate the heat-removal factor for a collector having an overall heat-losscoefficient of 6 W/m2K and constructed of aluminum fins and tubes. Tube-to-tube centered distance is
What are the factors responsible for the development of newer tool materials. Explain several materials used for cutting tools. List four kinds of tool wear.
A motor coil can be modeled as a hollow copper cylinder with an outer diameter of 50 mm, an inner diameter of 40 mm, and a length of 60 mm. The motor stalls at time t ¼ 0 and, at t
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Illustrates about the term rectangular footings? RECTANGULAR FOOTINGS: The design of rectangular footings is similar to that of the square footings. The major difference is
Objectives After studying this section, you should be familiarized about: The typical job shop scheduling problem, Characteristics of computer controlled scheduling,
Q. Explain External Pressure Design? Determine requirements for external pressure based on the expected operation of the vessel, and add a suitable operating margin to establis
what type of stresses a thin cell is subjected to?
please explain more about polygon of forces lab such as observation, theory and others.
Type of strain: There are basically four type of strain 1. Tensile strain 2. Compressive strain 3. Volumetric strain 4. Shear strain
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