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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.
ARC WELDING POWER SOURCES CLASSIFICATION:OUTPUT CHARACTERSTICS The output characteristic of welding power source is a funct ional relationship between output voltage and load
Determine the Wire Drawing - cold drawing processes Similar to above process bars are first pickled, washed and coated to prevent any oxidation. After this rods are passed t
The impeller driveshaft can either be top driven or bottom driven. Again there are advantages of each and the choice often varies with scale of operation: (a) Top driven (labo
Q.What is the mean of Off time? It is the interval from the end of the hold time to the beginning of the squeeze time for the next (resistance) welding cycle. In automatic m
Brea k Mean Effective Pressure (P bm ): Likewise, the brake mean effective pressure is given by i p = indicated power (kW) bp = Break Powder (kW
(a) Derive the mathematical equation for work done in a polytropic process (i.e.) PV n =c) (b) A mass of gas is compressed in a quasi-static process from 80KPa, 0.1m 3 to 0.4M
Q. What is Erosion Loss? Additional metal thickness must be added in specific locations where metal loss is expected, due to stream flow that is of high velocity, or is abrasiv
Q. Materials used in insulation? All materials must be non-corrosive, compatible with other materials and used in accordance with the Manufacturer's recommendations. All mat
Explain the subtractive process of Rapid Prototyping
(a) What do you understand by couple moment. Is it a free vector ? (b) A force F = 10i + 6j - 6k N performs at a position (10, 3, 4) m relative to a coordinates system. Determin
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