A salinity indicating system functions on...

Question 1 / 270705eccef9cbacbc34ba4d458b0

Question 1 of 270705eccef9cbacbc34ba4d458b0

A salinity indicating system functions on the basic principle of measuring the __________.

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Question 1 of 27070

A salinity indicating system functions on the basic principle of measuring the __________.

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🔍 Key Concepts

• Relationship between salt content and ability of water to carry electric current • Difference between conductivity, inductance, and specific gravity • How most modern salinity cells/probes work in engine-room and tank monitoring

💭 Think About

• Which property of water changes most directly and measurably as salt content increases? • Which of the listed properties is most commonly used for continuous monitoring in piping systems and tanks aboard ships? • Think about portable salinity meters or TDS (total dissolved solids) meters you may have seen—what do they actually measure?

✅ Before You Answer

• Be clear on the difference between conductivity (ease of current flow) and inductance (magnetic field effect in coils). • Remember that specific gravity is related to density—does the standard shipboard salinity indicator continuously weigh the water? • Confirm which property is used in common boiler/feedwater salinity alarms and chlorination control units—what do their sensors measure?

Question 1 of 27070

A salinity indicating system functions on the basic principle of measuring the __________.

specific gravity of water

hydrogen ion concentration of water

electrical inductance of water

electrical conductivity of water

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