Sep 2022 Nav Arc 1

Q.2 A vessel of L = 150 m arrives dry-dock drawing 5.0 m forwards and 7.0 m aft. Her W = 12019 t, KG = 7.0 m, FSM = 800 tm, TPC = 22.47, MCTC = 174, LCB = 72.962 m, LCF = 72.476 m, KM = 8.438 m. If the declivity of the dock 20 cm per 100m, find

July 2021 Nav Arc 1

Q.2 A vessel of displacement 24000, LBP = 180, LCF = 20, TPC = 20, MCTC = 200 arrives in D.D. with drafts f = 8.20m, A=9.00m. Determine the residual GM when water level falls by 40cms after the stern touches the blocks. KG = 7.90m, KM = 8.30 m, FSM initial = 2000 Tm. Answer:

Apr 2025 PM Nav Arc 1

Q.2 A vessel of displacement 24000, LBP = 180, LCF = 94, TPC = 20, MCTC = 200 arrives in D.D. with drafts f =8.20m, A = 9.00m. Determine the residual GM when water level falls by 40 cms after the stern touches the blocks. KG = 7.90m, KM = 8.30m, FSM initial = 2000 Tm. Answer:

Oct 2023 AM Nav Arc 1

Q.2 A box-shaped vessel 150m long, 24m broad and 9m deep, has a mean draft in salt water of 6m and its trimmed 1m by the stern, KG 8.4m. State whether it is safe to drydock this vessel in this condition or not, and give reasons for your answer. Answer:

March 2022 Nav Arc 1

Q.2 A ship of L = 130 m, W = 5200 t, CF = 2m aft of midship MCTC = 140mt, KM = 6.5, K.G. = 6.0m, TPC = 20t, draft Fwd = 4.35m, Aft = 5.41m dry docked. Calculate her residual GM and the drafts F & A.i) When the trim reduced to 35 cms.ii) When the water level

March 2021 Nav Arc 1

Q.1 A vessel of length 141 mtrs, CoF = 2.6 mtrs, forward of midship, MCTC = 144, TPC = 19, KM = 7.7m, KG = 6.9m, w = 11300 T, at a dft F = 3.80m, A = 5.68m is floating in a dry dock where depth of water is 6.5m above the top of the blocks. Calculate vessels residual

Oct 2020 Nav Arc 1

Q.2 A vessel of length 84m, displacement 3000t, TPC = 12t, KM = 4.5M, K.G. = 4.05m, MCTC = 80 mtm, CF 2m abaft of mid-ship at a draft of F 4m, A 4.5m is dry-docked. Calculate:i) The residual GM on taking blocks all over. ii) Her drafts F & A. Answer:

Jan 2020 Nav Arc 1

Q.2 A vessel of following particulars enters a SW dry dock. LBP = 140m, DF= 3.4m, DA = 5.8m, KG = 8.0, KM = 9.02, displacement = 8930t, TPC = 21.9t, LCF = 72.2m from AP, MCTC 162.5 tm. Find the virtual GM and draft F & A, when the level water has fallen one meter after stern has taken

Nov 2021 Nav Arc 1

Q.3 ‘M.V.Hindship’ displacement 8473 MT, KG: 8.84m, FSC: 0.146m, is to be Dry-docked. At the critical instant the GM (f) of the vessel is to be not less than 0.20m. Determine the maximum trim by stern with which she will enter Dry-dock if she is to take to the blocks first at the AP. Also state the arrival dry-dock drafts

June 2022 Nav Arc 1

Q.2 A ship of L = 200 m, W = 50000 T, MCTC = 250 T-m, KM 10 m, KG 5 m, TPC = 50 T, LCF 105 m, draft F 10.0 m, A 11.0 m, grounds lightly on an isolated rock in falling tide. At low water, the drafts are found to be F 9.5 m, A 11.0 m,

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