Define maximum allowable working pressure, Mechanical Engineering

Assignment Help:

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.


Related Discussions:- Define maximum allowable working pressure

Evaluate the speed of wheels, a) An epicyclic gear have three wheels A, B a...

a) An epicyclic gear have three wheels A, B and C. Wheel A has 72 internal teeth, wheel C has 32 external teeth. The wheel B gears with both A and C is carried on an arm which move

How is local shear mode characterized in bearing capacity, How is local she...

How is local shear mode characterized in bearing capacity? Local Shear Failure The local shear mode of failure is characterized by slip zones, small surface heave and a poor

Functions of the piston ring , Functions of the Piston Ring To for...

Functions of the Piston Ring To form a seal for high pressure gases from the combustion chamber, against leak into the crankcase. To provide sufficient lubricating oi

Constant mesh type gear box , Constant Mesh Type Gear Box : Most of t...

Constant Mesh Type Gear Box : Most of the gearboxes on motorcycles are "constant mesh". That means all the gears are constantly meshed with one another and are always spinnin

Assumptions in theory of bending, W rite down the different assumptions in...

W rite down the different assumptions in simple theory of bending.                               The assumptions which are made in theory of simple bending are stated below:

Evaluate indicated power, (a) Following consideration were recorder during ...

(a) Following consideration were recorder during a test on a single cylinder oil engine : Bore = 300 mm; speed =300 r.p.r.; stroke = 450 mm;  net break load = 1.5KN;

Calculate tracing a error, What is tracing error? Define how to track traci...

What is tracing error? Define how to track tracing error?

Components of steam power plant, Component s of Steam Power Plant: Th...

Component s of Steam Power Plant: There are four components of steam power plant: 1. The boiler: Hot-source reservoir in which the combustion gases raise steam. 2. Engi

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd