🔍 Key Concepts

• Standard naval architecture symbols used on stability and hydrostatics exams • The usual Greek-letter symbol for displacement (volume or weight of water displaced) • Distinguishing symbols for heel/trim angles, coefficients, and centerline from the displacement symbol

💭 Think About

• First, recall which single symbol is used in most formulas to stand for ship displacement; picture what that symbol looks like by itself, without the box or number under it. • Look at each of the five symbols and decide which ones you recognize for other quantities (such as angle of heel, centerline, or block coefficient); eliminate any symbol you can confidently match to a different meaning. • Ask yourself: which remaining symbol is most closely associated with a Greek letter commonly used in math and physics for ‘change’ or for a specific quantity in hydrostatics?

✅ Before You Answer

• Make sure you can name (or describe) the Greek letter that normally denotes displacement in naval architecture formulas. • Confirm that you are not choosing the symbol that represents angle of heel or centerline, which are also common on these symbol sheets. • Before picking, verify that your choice is a single-letter style symbol, not a compound mark like overlapping circles or combined letters.