Question Paper Set-1

Time 2 Hrs

1. Define pressure and temperature as loading.

2. Define MDMT.

3. What are the loadings as per UG-22 ASME SEC VIII Div 1?

4. Write down formula for thickness calculation as per UG-27 for 2:1 ellipsoidal head and

cylindrical shell.

5. What is the difference in MAWP and MAP?

6. Write down the steps of maximum allowable external pressure calculation as per UG-28.

7. Define permissible opening requirement as per UG-36.

8.

Consider the vessel as shown in above diagram and calculate thickness of cylindrical and 2:1 ellipsoidal area. Following data are available:

i) Inside diameter: 2000 mmii) Pressure : 20 Bar (a)iii) Temperature: 100 °Civ) Material: SA516 Gr 70v) Corrosion Allowance: 3mmvi) Joint efficiency: 0.7