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Q. Define Maximum Allowable Working Pressure?
The MAWP to be marked on the Section VIII nameplate is defined as the maximum gauge pressure permissible at the top of a completed vessel in its normal operating position at the designated coincident metal temperature for that pressure. This MAWP may be determined from the design pressure or from calculations, based on the specified nominal component thicknesses, reduced by the specified corrosion allowances.
The maximum permissible set-to-operate pressure of a single safety relief device cannot be higher than the MAWP.
A suitable margin consistent with the uncertainties with which the true maximum mean-metal temperature can be determined should be included. The design temperature for vessels shall be the maximum temperature for which a reduction in maximum allowable stress is not required (6500F (3430C) for carbon steel). If there is a limiting appurtenance, vessel design metal temperature shall be the maximum temperature allowed for that appurtenance at design pressure.
Q. Standard factory formed insulation on Flanges and Valves? All fittings are to be insulated with standard factory formed insulation. All joints shall be buttered and sealed.
Rankine cycle with respect to P-V, T diagrams: The steam having high pressure is expanded to a low pressure within a reciprocating engine or a turbine. If expansion is idea
Illustrate with required expression for Hammer Blow, Variation of tractive force, and Swaying Couple.
Q. Design Safe Areas for plant? A Safe Area in this manual is regarded as a space that is not ranked as being a designated hazardous area by the relevant Regional or Country st
Larson-Miller parameter: For material of example of calculate life in hours at temperature of 900oC, and at σ = 20 MPa. Solution Larson-Miller parameter is given by
Gathering Lines: A gathering line, also called a ladder track, is one into which a number of parallel tracks merge. This is shown in Figure. It is used in marshalling yards.
A truss is shown in the given figure. Compute the horizontal deflection of joint D formed by both the load and fabrication error (bar AE is 30mm too long). For
Aggregate Production Planning: This unit provides the definition and physical significance of aggregate production planning. Further, this is illustrated that how the internal
casting is better than steel
Flash Butt Welding-Flashing The phenomenon of flashing is of extreme importance in achieving satisfactory welds. Flashing can begin only after a molten bridge has been formed s
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