Pressure Vessel: Fabrication & Construction Technique

Who should perform the welding activity in pressure vessel fabrication?

• Experience welder

• Workshop welder

• Competent welder

• Any person now how to weld

Who should be involved in a survey of the pressure vessel fabrication activity that complies with design calculation and drawing?

• Competent Inspector

• Competent Welder

• Competent Engineer

• Competent Manager

Fill in the blank a sequence of pressure vessel fabrication procedures show below.

•Study and Work Preparation

•Raw Materials Identification

•Marking Off

•_______________________(i)

•_______________________(ii)

•Fitting Up

•_______________________(iii)

•Checking

•_______________________(iv)

• (i) Forming / (ii) Cutting off / (iii)Fitting up / (iv)Testing

• (i) Cutting off / (ii) Forming / (iii)Fitting up / (iv)Testing

• (i) Cutting off / (ii) Fitting up / (iii) Forming / (iv)Testing

• (i) Testing / (ii) Cutting off / (iii) Forming / (iv) Fitting up

Select all applicable activities involves in the study and work preparation during pressure vessel fabrication

• Checking

• Working Drawing

• Fabrication Planning

• Joining Processes

• Full Welding

Select all applicable items required to check for raw material identification for pressure vessel fabrication.

• Material quality, thickness & size

• Welding Quality

• Pressure Vessel Dimension

• Verify heat number

• Verify NDT requirement

Calculate the length of the plate required if the outside diameter of the vessel is 1.5m and the vessel thickness is 12mm.

• 2319mm

• 4712mm

• 4675mm

• 4750mm