API 653 OVERVIEW Questions with Correct Solutions

API 653 OVERVIEW Questions with Correct Solutions


Question:
1. What is API 653?

Answer:
API 653 is a standard that provides guidelines for the inspection, repair, alteration, and
reconstruction of aboveground storage tanks (ASTs) used for the storage of petroleum and
other hazardous materials.


Question:
2. What are the key requirements of API 653?

Answer:
Key requirements of API 653 include regular inspections, adherence to material standards,
proper repair procedures, and ensuring safety considerations are met during tank operations.


Question:
3. What are the inspection intervals for aboveground storage tanks under API 653?

Answer:
Inspection intervals under API 653 typically include a visual inspection every 5 years, a
detailed internal inspection every 10 years, and additional inspections as required based on
tank condition and service history.


Question:
4. What material standards are referenced in API 653?

Answer:
API 653 references material standards such as API 650 for welded tanks, ASTM standards for
materials, and other relevant codes to ensure the integrity and safety of storage tanks.


Question:
5. What are the repair procedures outlined in API 653?

Answer:
Repair procedures in API 653 include methods for patching, welding, and replacing tank
components, ensuring that repairs restore the tank's integrity and comply with safety
standards.


Question:
6. What safety considerations are emphasized in API 653?