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Q. Explain about Vertical Vessels?
Vertical vessels shall normally be designed as self-supporting units, and shall resist overturn based upon wind or earthquake considerations.
1). Skirts or lugs shall be used to support tower or large vertical vessels, and are preferred for vessels having top-entering agitators. 2). Leg supports shall be limited to spherical and cylindrical vessels that meet the following requirements:
• Design temperature does not exceed 450oF (232oC).
• Service is noncyclic and nonpulsating.
• Vessel height-to-diameter ratio does not exceed 5. (Height is defined as the distance from base of support to the top tangent line of the vessel.
Q. Explain Sulphidation process? The presence of sulphur converts the surface of the metal to a sulphide scale which is generally more destructive than an oxide scale. Sulphid
Q. Describe the type of Facing and Backing sand? Facing sand. This sand is used directly next to the surface of the pattern and comes into contact with the molten metal when th
priming and foaming
torque
The tapered, two-cell beam is subjected to a pure torque of 50,000 in-lb counter clockwise. The length of the beam (normal to the figure) is 100 in. The flange areas are 1 sq in an
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Evaluate the resultant both in magnitude and direction of the four force acting on the body as shown in figure given below :
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Spot welding of different metals Though, mild steel is t he metal most commonly used, any prime metal or alloy can be successfully spot welded provided that machine with suitab
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