Deck General · Tank Sounding
Sounding a tank measures the depth of liquid from the tank top down to the surface, whereas ullage measures:
- AThe temperature of the liquid
- BThe specific gravity of the liquid
- CThe empty space from the reference point down to the liquid surface✓ Correct
- DThe total tank volume
Explanation
Sounding is the depth of liquid; ullage is the empty distance above the liquid to the reference point. Ullage plus sounding equals the depth to the reference point; both convert to volume via tank tables.
Authority: Knight's Modern Seamanship; cargo measurement practice
Practice the full Deck General bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Deck General questions
- Stability Definitions
Displacement is best defined as:
- Stability Definitions
Deadweight tonnage (DWT) is defined as:
- Stability Definitions
Lightship displacement includes:
- Stability Definitions
Freeboard is measured from the:
- Stability Definitions
Reserve buoyancy is best described as:
- Stability Definitions
The mean draft of a vessel is 18 feet forward and 22 feet aft. What is the trim, and in which direction?