In a boiler water gauge glass, a ball check...

Question 1 / 2707066636ef128f7522a1c52106e

Question 1 of 2707066636ef128f7522a1c52106e

In a boiler water gauge glass, a ball check valve is installed on the __________.

Question 1 of 27070

In a boiler water gauge glass, a ball check valve is installed on the __________.

🔍 Key Concepts

• Purpose and operation of a ball check valve in a gauge glass line • What happens if a gauge glass connection fails or breaks off while under pressure • Differences between steam (top) connection, water (bottom) connection, and drain on a boiler gauge glass

💭 Think About

• Ask yourself: in an emergency breakage of the gauge glass, from which direction is it most critical to automatically stop flow to protect personnel and prevent loss of boiler contents? • Consider whether both connections need automatic closure, or if only one side presents the major hazard in normal boiler operation. • Think about the function of the drain valve—would you want a check valve there, or do you need that line to be free-draining when opened?

✅ Before You Answer

• Verify how a ball check valve actually closes (gravity vs pressure action) in vertical gauge glass fittings. • Check standard arrangement diagrams of marine boiler gauge glasses to see which connections include automatic shutoff devices. • Confirm whether the drain line is meant for periodic manual testing/blowing down or for automatic isolation in case of glass failure.

Question 1 of 27070

In a boiler water gauge glass, a ball check valve is installed on the __________.

bottom connection only

top connection only

top and bottom connection

drain valve

Question 1 / 2707066636ef128f7522a1c52106e

Question 1 of 2707066636ef128f7522a1c52106e

In a boiler water gauge glass, a ball check valve is installed on the __________.

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Question 1 of 27070

In a boiler water gauge glass, a ball check valve is installed on the __________.