Font size
WorksheetsTEP MECHANICAL INSPECTION 002
Total questions: 15
Worksheet time: 25mins
From the formula shown, what is R?
Uncorroded inside radius
Inside diameter
Corroded inside radius
Corroded outside radius
For pressure vessels in service, the calculation of t is required to determine _______
Remaining life
Corrosion rate
Previous thickness
Actual thicknesses
From the formula shown, what can contribute to the higher value of t ?
High strength materials
Lower E
Higher allowable stress
Lower P
How do you call this part?
Davit arm holder
Hook
Safety bar
Eye bolt
Unit for stress
MPa
psi
bar
All of listed options
Unit for corrosion rate.....
mpy
mm/yr
ipy
One option to confirm that a pressure equipment is safe for continued operation, the remaining life should be ______ and the corrosion rate should be _______.
High, low
Low, low
High, high
Low, high
Calculate long term corrosion rate from this data. Give answer in 2 decimal places.
(a) mm/yr
Calculate short term corrosion rate from this data. Give answer in 2 decimal places.
(a) mm/yr
Calculate the remaining life (years) of this data. Give answer in round number.
(a)
By referring to the drawing, what is the nominal thickness of shell? (a) mm
What is the corroded inside diameter of this vessel if corrosion allowance is 1 mm
1118 mmk
1222 mm
1220 mm
1221 mm
How many longitudinal weld of shell is shown in this drawing?
1
2
3
None
What are the values for E of the shell and P (design pressure) based on this design data?
0.85 and 1725 kpa
1.0 and 1.725 bar
1.0 and 1725 kpa
0.85 and 1.725 MPa
What is the min. thickness (t min or t req.) of the shell of this vessel if the corroded ID = 1220 mm?. Use formula as per ASME VIII DIV. 1
7.58 mm
6.68 mm
7.68 mm
15.37 mm
