Section 8

Question 1

U-1 (d) Section 8 applies to pressure vessels up to a max pressure of:

Answer 1

3000 psi

Question 2

UG-13 Thread engagement must be:

Answer 2

full depth

Question 3

UG-16 Minimum thickness of pressure containing parts shall not be less than:

Answer 3

one sixteenth

Question 4

UG-16 Mill undertolerance of plate shall not be less than:

Answer 4

0.01 inch or 6 percent, whichever is less

Question 5

UG-36 Max size of openings in vessels 60 in ID and less:

Answer 5

half ID or 20 inches, whichever is less

Question 6

UG-36 Max size of openings in vessels greater than 60 in ID:

Answer 6

third ID or 40 inches, whichever is less

Question 7

UG-80 Max out of roundness for ID of vessel shall not exceed:

Answer 7

1 percent of the ID

Question 8

UG-80 Cross section through an opening out of roundness may increase by:

Answer 8

2 percent

Question 9

UG-84 Impact test procedures shall be in accordance with:

Answer 9

SA-370

Question 10

UG-84 Impact tests must have how many specimens?

Answer 10

3

Question 11

UG-93 Which type of material requires material test reports?

Answer 11

Plate

Question 12

UG-99 What is the formula for hydrostatic test pressure?

Answer 12

1.3 MAWP times (Stress at test temp divided by stress at design temp)

Question 13

UG-99 Hydro static test temp should be maintained:

Answer 13

30 deg above MDMT up to 120 deg limit

Question 14

UG-100 What is the formula for pneumatic test pressure?

Answer 14

1.1 MAWP times (Stress at test temp divided by stress at design temp)

Question 15

UG-102 What range should test gages have?

Answer 15

double the test pressure

Question 16

UG-102 What are the limits of the test gage ranges?

Answer 16

no less than 1.5 test pressure and no greater than 4 times test pressure

Question 17

UG-125 Relief valves shall prevent overpressure of:

Answer 17

10 percent or 3 psi, whichever is greater

Question 18

UG-126 What is the tolerance on set pressure up to 70 psi

Answer 18

2 psi

Question 19

UG-126 What is the tolerance for set pressures greater than 70 psi

Answer 19

3 percent

Question 20

UW-12 Seamless heads with spot radiography have an efficiency of:

Answer 20

1

Question 21

UW-12 Seamless heads without spot radiography have an efficiency of:

Answer 21

0.85

Question 22

UW-51 Which NDE technique does not require a written procedure?

Answer 22

RT

Question 23

UW-51 UT may be used in place of RT for welds on what thickness material?

Answer 23

.25 inches or greater

Question 24

UW-52 Spot radiography is required for weld increments of:

Answer 24

50 feet

Question 25

UCS-66 PWHT is mandatory for material over what thickness?

Answer 25

1.5 inches