7- Frequency and Extent of Inspection

Question 1

API ,,,,,, provides guidance for inspection frequency for tanks built to API 12B, API 12D, API 12F, and API 12P (oil and gas production, treating, and processing services).

Answer 1

12R1

Question 2

Many of the technologies used in leak detection are identified in API ,,,,,

Answer 2

334

Question 3

API ,,,,,, provides additional guidance regarding the inspection of tank appurtenances, accessories, and the
surrounding area

Answer 3

2610

Question 4

Additional thickness on the upper portions of shell courses not required for product ,,,,,, at that level

Answer 4

loading

Question 5

,,,,,,,,, and bottoms are often considerably thicker than necessary to withstand service stresses.

Answer 5

Roofs

Question 6

Tank bottoms resting on grade and the roofs of atmospheric storage tanks are subjected to practically no ,,,,,,,,, stresses from product loads

Answer 6

membrane

Question 7

if the walls have corroded, it may be necessary to reduce the allowable ,,,,,, height of the tank or change the product stored to one with a lower ,,,,,

Answer 7

safe fill

specific gravity

Question 8

External piping, nozzles and valves should be evaluated in accordance with API ________.

Answer 8

570

Question 9

Assume worst case scenario when estimating project repair time. Start at the ________ of the _______ window, calculate time for coating repair, inspection, cleaning etc, in order to select a _______ date.

Answer 9

end
weather
start

Question 10

Soil-side corrosion data may vary from negligible to very aggressive pitting with rates
approaching ,,,, mils per year.

Answer 10

20