The gasket and the broken studs have been...

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Question 1 of 205eccef9cbacbc34ba4d45b5f

The gasket and the broken studs have been replaced on a tank manhole cover. Which of the following methods is satisfactory for testing the repair?

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5eccef9cbacbc34ba4d45b5f

The gasket and the broken studs have been replaced on a tank manhole cover. Which of the following methods is satisfactory for testing the repair?

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🔍 Key Concepts

• Tank testing safety when using air pressure vs. water (hydrostatic) tests • How head of liquid in a tank relates to pressure on a manhole cover and gaskets • Typical shipboard practice for checking tightness of manholes and deck fittings after repairs

💭 Think About

• Which method most closely simulates the normal operating conditions of a loaded tank without creating an unsafe overpressure hazard? • For each option, think about where the highest pressure will be acting and whether the test stresses the gasket and studs the same way cargo or ballast normally would. • Consider which method provides a clear indication of leakage while still protecting the structure of the tank and the manhole cover.

✅ Before You Answer

• Is using compressed air inside a closed tank at 10 psig considered safe practice on board? Verify typical tank test pressures and methods. • Does a hose test on the outside of the cover create the same kind of force on the gasket as liquid inside the tank would? • When the tank is filled until liquid reaches the vent line opening or a known depth, what does that tell you about the pressure at the manhole and how close this is to normal service conditions?

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Question 1 of 205eccef9cbacbc34ba4d45b5f

The gasket and the broken studs have been replaced on a tank manhole cover. Which of the following methods is satisfactory for testing the repair?

Back

Question 1 of 20

5eccef9cbacbc34ba4d45b5f

The gasket and the broken studs have been replaced on a tank manhole cover. Which of the following methods is satisfactory for testing the repair?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed