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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 establish the external design pressure and coincident temperature.
Consideration must be given to the effects of introducing air into the vessel, if vacuum relief devices are used. Vessels in steam service shall be designed for full vacuum, and consideration shall also be given for vessels in services that may be subject to steam out.
All shell and head joints shall be double-welded butt joints with full penetration. In cases where double welding is impractical, the root pass shall be made by the GTAW process.
Brass is an alloy of (A) Copper and zinc. (B) Copper and iron. (C) copper and Aluminium. (D) Copper and tin. Ans: Brass is an alloy of copper and zin
Condition for Carnot theorem - thermodynamics: 1 . If T 1 = T 2 ; No work, = 0 2 . Higher the temperature difference, greater the efficiency. 3. For the same
Pipe flanges are protected from corrosion by means of electrolysis, with dielectric flanges. The piping system is electrically insulated by what is known as a sacrificial anode. A
Importance of stresses in shaft: What is importance of stresses in shaft ? Sol.: In shaft the following significant stresses occur. 1. A maximum shear stress occurs on
how mechanism can be synthesized using relative pole method?
Define the difference modes of Heat Transfer with examples. State one system where Heat Transfer takes place because of all modes of Heat Transfer.
You have been selected to assist the structural engineer for a bridge replacement project. Your task is to design the size of the footing for an interior bridge pier, based on the
Determine the reaction at specific points: A light rod AD can be supported by frictionless pegs at B and C and rests against frictionless wall at A as shown in th
(a) A steel bolt 650 mm 2 cross-sectional area passes centrally through a copper tube to 1200mm 2 cross-sectional area. The tube is 500mm long and closed by rigid washers, which
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