1. A box has a dimension of 2 ft x 3 ft x 3 ft and weighs 105 lbs. What is its stowage factor? a. 413 b. 384 c. 348 d. 380 SOLUTION Volume = 2 ft. x 3 ft. x 3 ft. Volume = 18 ft³ Stowage Factor = V ÷ Weight / 2240 lbs. = 18 ft³ ÷ 105 lbs. / 2240 lbs. = 18 ft³ ÷ 0.0468 Stowage Factor = 384.6 2. A ship displaces 6,700 tons at a summer draught of 6.66 mtrs. If the fresh Water allowance is 285 mms, find its corresponding change of draught when proceeding to a port of unit density. a. 0.285 mtr b. 28.5 mms c. 2.85 cms d. insufficient data 3. A ship displaces 8,800 tons at a summer draught of 7.28 mtrs. Its Fresh Water Allowance is 315 mms. What would be its draught in unit density? a. 10.43 mtrs b. 7.3115 mtrs c. 7.595 mtrs d. insufficient data 4. A box has a dimension of 2ft x 2.5ft x 3ft and weighs 95 lbs. What is its stowage factor? a. 353.7 b. 368.7 c. 348.7 d. 337.7 5. You are going to load bales of abaca with SF 60 and lead with SF 20. The remaining space to be loaded is 220,000 cu ft and the total weight to be loaded is 5000 tons. How much of each cargo should be loaded to make the vessel FULL AND DOWN? a. 2,000t lead / 3,000t abaca b. 1898.3t lead / 3,101.7t abaca c. 3,101.7t lead / 1,898.3t abaca d. 1745.6t lead / 3,254.4t abaca 6. A vessel displaces 6,800t. After loading 1000t of cargo with a KG of 4.2 Mtrs and 1,500t with a KG of 6.4 mtrs, the new KG was then 6.6 mtrs. What was the KG prior to loading? a. 7.1 mtrs b. 7.0 mtrs c. 6.9 mtrs d. 6.8 mtrs 7. A vessel with a light displacement of 6,500t loaded cargoes of 1,300t, 1,400t and 1,200t with a KG of 6.9m, 6.4m and 8.4mtrs respectively. After loading, the new KG was then found to be 7.07 mtrs. What was The KG prior to loading? a. 6.87 mtrs b. 7.17 mtrs c. 6.57mtrs d. 7.00 mtrs 8. The loaded displacement of a vessel is 12,200 tons. After discharging 2,200t and 1500t with a KG of 8.5mtrs and 4.2 mtrs respectively, the new KG was then found to be 5.67 mtrs, what was the KG prior to discharging? a. 6.00 mtrs b. 6.22 mtrs c. 5.88 mtrs d. 5.66 mtrs 9. On arrival at the discharging port, the displacement was 7800t. after Discharging 3,200t of cargo with an average KG of 5.8 mtrs, the new KG was found to be 6.14 mtrs. What was the vessel’s KG prior to discharge? a. 6.00 mtrs b. 5.86 mtrs c. 6.28 mtrs d. 5.96 mtrs 10. A bulk carrier has a displacement of 40,000 tons and the KG is 9 mtrs. The KN at 10 degrees heel is 1.87 mtrs. What is the righting arm at this heel? a. 0.297 b. 0.387 c. 0.279 d. 0.307 11. A ship displaces 30,000 tons and the KG is 8.7 mtrs. The KN at a heel of 10 degrees is 1.77 mtrs. What is the righting arm at this heel? a. 0.243 b. 0.248 c. 0.259 d. 0.285 12. A ship displaces 15,000 tons and the KG is 8.2 mtrs. At an angle of heel of 15 degrees, KN is 2.88. Solve for the righting moment. a. 10,543 mtr-tons b. 11,365 mtr-tons c. 10,095 mtr tons d. 12,233 mtr-tons 13. While inspecting the log pond, you noticed that the average length of the logs to be loaded is 15 mtrs and the average diameter is 70 cms. While floating in pond of density 1012 kgs/m3, 90 percent of their volume is submerged. What is the average weight of each log? a. 5.26 tons b. 6.13 tons c. 5.81 tons d. 5. 38 tons 14. A log is floating in a pond of relative density 1.008. Its length is 12 mtrs and its diameter is 50 cms. If 95% of the log is submerged, what is its weight? a. 2.375 tons b. 2.492 tons c. 2. 188 tons d. 2.247 tons 15. A box–shaped vessel with 12 mtrs. beam is floating upright at a draught of 6.7 mtrs. even keel. Find the draft if the vessel is now listed 18 degrees. a. 8.421 mtrs b. 8.226 mtrs c. 7.947 mtrs d. 7.667 mtrs 16. You are going to load bales of abaca with SF 59 and lead with SF 19. The remaining space is 173,700 cu.ft. and the total weight to be loaded is 4,300tons. How much of each cargo should be loaded to make the vessel FULL AND DOWN? a. 2159.5t lead / 2140.5t abaca b. 2140.5t lead / 2159.5t abaca c. 2,000t lead / 2, 300t abaca d. 1869.4t lead / 2430.6t abaca 17. On completion of loading, a vessel of 7,300t displacement and a GM of 0.65 mtr was listing 2 degrees to stbd. A port wingtank, located 6 mtrs from the centerline is to be filled with ballast. How much ballast should be taken in to offset the list? a. 27.6 tons b. 25.4 tons c. 26.5 tons d. 28.8 tons 18. On completion of loading, a vessel of 6,800 tons displacement and a GM of 0.58 mtr was listing 2.5 degrees to stbd. How many tons of ballast should be pumped into the port wingtank, 7 mtrs from the centerline to make the vessel upright? a. 23.8 tons b. 22.7 tons c. 24.6 tons d. 25.9 tons 19. On completion of loading, a vessel of 8,800 tons displacement and a GM of 0.45 mtr was listing 3 degrees to stbd. How many tons of ballast should be pumped into the port wingtank, 6 mtrs from the centerline to make the vessel upright? a. 36.8 tons b. 34.6 tons c. 32.1 tons d. 33.7 tons 20. A rule of thumb when maneuvering to a dock is, a vessel with a speed of 1 knot travels about: a. 111 mtrs/min b. 100 mts/min c. 100 ft/min d. 111 ft/min 21. A rule of thumb when maneuvering to a dock is, a vessel with a speed of 2 knots travels about: a. 222 ft/min b. 200 mtrs/min c. 222 mtrs/min d. 200 ft/min