HMEL Tank Construction Quiz

During tank construction, what is the purpose of wind girder (Secondary) works?

To ensure wind stability of the structure

What does the formation of continuous bubbles during tank construction indicate?

Leakage

In tank construction, what is the purpose of conducting an Oil Chalk Test / Chalk Diesel Test?

To check for water tightness

What procedure should be followed after obtaining all NDT & Mechanical Clearances during tank construction?

Proceed to Hydrostatic Test / Water Filling Test Signup and view all the answers

What is the primary purpose of Nozzles / Manholes / COD in tank construction?

Access points for maintenance and inspection Signup and view all the answers

Why should settlement readings be taken at every stage of water filling and dewatering during tank construction?

To monitor any structural shifts or uneven settling Signup and view all the answers

What is the purpose of the shell course lifting process in tank construction?

To hoist and place the horizontal courses of a storage tank Signup and view all the answers

During a hydrostatic test, what is being tested?

The integrity of the tank's weld joints Signup and view all the answers

What are nozzles and manholes commonly used for in tank construction?

To provide access for maintenance and inspection Signup and view all the answers

In the context of wind girder works, what is the primary function of a wind girder?

To prevent wind-induced uplift forces on the tank shell Signup and view all the answers

Which activity in the C.T. Project has the highest weightage percentage?

Detailed Engineering Signup and view all the answers

In tank construction, what is typically installed last before completing a tank?

External Floating Roof Signup and view all the answers

What type of tank is recommended for pressures between 0.05 - 0.85 Kg/cm2 (g)?

Spheres Signup and view all the answers

For which tanks would you likely use API 650 standards?

Internal Floating Roof Signup and view all the answers

What is the purpose of a vacuum box test during tank construction?

To check the integrity of welding of the lap joints of bottom plates Signup and view all the answers

When constructing Single Deck Floating Roof Tanks with a diameter of over 50 meters, what type of deck would be used?

Double Deck Signup and view all the answers

What is the purpose of R.F. Brick lining during tank construction?

To provide insulation to the tank Signup and view all the answers

Which type of tanks are recommended for pressures below 0.05 Kg/cm2 (g)?

Cone Roof Signup and view all the answers

What is the main function of a wind girder in tank construction?

To provide additional structural support against wind loads Signup and view all the answers

Which API standard would be most relevant for Double Wall Storage Tanks?

API 620 Signup and view all the answers

When constructing tanks, what is the purpose of PVC lining?

To act as a protective layer against corrosion Signup and view all the answers

How is a hydrostatic testing of a tank typically done?

By filling the tank with water and pressurizing it to check for leaks Signup and view all the answers