Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Q. Explain about Postweld Heat Treatment?
Pressure vessels shall be postweld heat treated per applicable sections, in accordance with applicable material specifications or when specified by the User, due to service such as ammonia, caustics, amines, or wet hydrogen sulfide. Alternative Postweld Heat Treatment Requirements For Carbon And Low Alloy Steels, shall not be employed.
PWHT provides reduction of residual stresses, due to forming and welding, and results in softening of heat affected zones. Some steels can be damaged within certain temperature zones below PWHT temperature. A Materials Engineer shall be consulted regarding the need for postweld heat treatment, and dependent on service conditions. The resulting recommendation shall be included on the Data Sheet.
(a) Derive a mathematical expression for Maximum length of path of Contact, Maximum Length of Arc of Contact and Contact Ratio in case of Interference. (b) What do you understan
A frame PQRSTU is hinged to a rigid support at P and is simply supported at T. It is loaded as indicated in the figure below. Determine the magnitude and nature of the force in the
Heat distribution in spot welding Besides the resistance at the interface, there are six other resistance through which the same welding current is passed. They are: Res
WHY SHEAR STRESS IS NOT MAXIMUM AT THE NEUTRAL AXIS IN TRIANGLE...ITS MAX IN ALL OTHER CASES BUT Y NOT IN TRIANGLE?#
SIGNIFICANCE OF DEFECTS IN WELDS In the correct sense of the word, a defect is a rejectable discontinuity or a flaw of rejectable nature. Certain flaws acceptable in one t
For a theoretical OTTO cycle operating on compression ratio of 8.5:1taking in air at 15C and 101.3kPa and having a maximum cycle temp of 1800C.Calculate the temp after compression,
send me pipe designing material
A 54 kg chandelier is suspended 1.5 m below a ceiling by 3 wires, each of which has the similar tension and the similar length of 2.0 m (see the drawing). Find the tension in every
TERMINOLOG Y: 1 . Top dead and Bottom dead Centre: These are 2 extreme positions between which the piston reciprocates inside the cylinder. TDC and BDC have relevance
Q. What is MAPP Gas Welding? Methyl acetylene-propadiene-petroleum (M inert than other gas mixtures, making it safer for use and store. MAPP can also be used at very h high-vol
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd