Chapter 17 Hydrostatic Tables Exercise -13 - Ship...
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CHAPTER – 17 HYDROSTATIC TABLES Page 1 of 17 Chapter – 17 Hydrostatic Tables Exercise -13 Answer 1 Displacement = 9451 - 9013 = x 0.2 0.12 Displacement = 9275.8 t TPC = 21.97 - 21.89 = x 0.2 0.12 TPC = 21.938 t/cm MCTC = 164.3 - 162.7 = x 0.2 0.12 MCTC = 163.7 t LCB = 72.016 - 72.02 = x 0.2 0.12 LCB = 72.016 m LCF = 71.97 - 72.01 = x 0.2 0.12 LCF = 71.987 m KB = 2.576 - 2.473 = x 0.2 0.12 KB = 2.535 m KM T (m) = 8.828 - 8.992 = x 0.2 0.12 KM T (m) = 8.894 m KM T (m) = 263.9 - 274.1 = x 0.2 0.12 KM T (m) = 267.980 m
Transcript of Chapter 17 Hydrostatic Tables Exercise -13 - Ship...
CHAPTER – 17 HYDROSTATIC TABLES
Page 1 of 17
Chapter – 17
Hydrostatic Tables
Exercise -13
Answer 1
Displacement = 9451 - 9013 = x
0.2
0.12
Displacement = 9275.8 t
TPC = 21.97 - 21.89 = x
0.2
0.12
TPC = 21.938 t/cm
MCTC = 164.3 - 162.7 = x
0.2
0.12
MCTC = 163.7 t
LCB = 72.016 - 72.02 = x
0.2
0.12
LCB = 72.016 m
LCF = 71.97 - 72.01 = x
0.2
0.12
LCF = 71.987 m
KB = 2.576 - 2.473 = x
0.2
0.12
KB = 2.535 m
KMT (m) = 8.828 - 8.992 = x
0.2
0.12
KMT (m) = 8.894 m
KMT (m) = 263.9 - 274.1 = x
0.2
0.12
KMT (m) = 267.980 m
CHAPTER – 17 HYDROSTATIC TABLES
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Answer 2
TMD = 7990.0 - 7708 = x
8141 - 7708
0.2
TMD = 4.130
TPC = 21.7 -
21.6 = x
0.2
0.13
TPC = 21.665 t/cm
MCTC = 159.6 - 157.8 = x
0.2
0.13
MCTC = 159.0 t
LCB = 72.012 - 72.01 = x
0.2
0.13
LCB = 72.011 m
LCF = 72.099 - 72.13 = x
0.2
0.13
LCF = 72.109 m
KB = 2.256 - 2.147 = x
0.2
0.13
KB = 2.218 m
KMT (m) = 9.406 - 9.66 = x
0.2
0.13
KMT (m) = 9.495 m
KMT (m) = 296.7 - 309.9 = x
0.2
0.13
KMT (m) = 301.320 m
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Answer 3 Displacement = Displacement at 5m draft * RD of DW 1.025 Displacement = 9891 * 1.005 1.025 Displacement = 9691t Answer 4
RD of Water Draft in
(m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.017 5.600 11223.0 10949.268 11135.4
1.017 5.800 11672.0 11387.317 11580.9
Displacement
= 11580.9
- 11135.4 = x
0.2
0.03
Displacement = 11202.2 t
Answer 5
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.009 6.321 12850.3 12536.854 12649.7
1.009 6.200 12575.0 12268.293 12378.7
1.009 6.400 13030.0 12712.195 12826.6
TMD = 12649.7 - 12378.7 = x
12826.6 - 12378.7
0.2
TMD = x + 6.200
TMD = 0.121 + 6.200
TMD = 6.321m
CHAPTER – 17 HYDROSTATIC TABLES
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Answer 6
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.020 5.072 10050.1 9804.995 10001.1
1.020 5.000 9891.0 9649.756 9842.8
1.020 5.200 10333.0 10080.976 10282.6
TMD = 10001.1 - 9842.8 = x
10282.6 - 9842.8
0.2
TMD = x + 5.000
TMD = 0.072 + 5.000
TMD = 5.072m
Answer 7
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.015 5.000 9891.0 9649.756 9794.5
Displacement = 9794.5 - 9794.5 = x
0.2
0.000
Displacement = 9794.5 t
TPC = 21.845 - 21.845 = x
0.2
0.000
TPC = 21.845 t/cm
MCTC = 164.1 - 164.1 = x
0.2
0.000
MCTC = 164.1 t
LCB = 72.014 - 72.014 = x
0.2
0.000
CHAPTER – 17 HYDROSTATIC TABLES
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LCB = 72.014 m
LCF = 71.913 - 71.913 = x
0.2
0.000
LCF = 71.913 m
KB = 2.685 - 2.685 = x
0.2
0.000
KB = 2.685 m
KMT (m) = 8.686 - 8.686 = x
0.2
0.000
KMT (m) = 8.686 m
KMT (m) = 254.300 - 254.300 = x
0.2
0.000
KMT (m) = 254.300 m
Answer 8
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.000 6.100 12348.5 12047.317 12047.3
1.000 6.000 12122.0 11826.341 11826.3
1.000 6.200 12575.0 12268.293 12268.3
Displacement = 12268.3 - 11826.3 = x
0.2
0.100
Displacement = 12047.3 t
TPC = 21.990 - 21.902 = x
0.2
0.100
TPC = 21.946 t/cm
MCTC = 170.3 - 168.7 = x
0.2
0.100
CHAPTER – 17 HYDROSTATIC TABLES
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MCTC = 169.5 t
LCB = 71.939 - 71.960 = x
0.2
0.100
LCB = 71.950 m
LCF = 71.329 - 71.472 = x
0.2
0.100
LCF = 71.401 m
KB = 3.309 - 3.205 = x
0.2
0.100
KB = 3.257 m
KMT (m) = 8.180 - 8.234 = x
0.2
0.100
KMT (m) = 8.207 m
KMT (m) = 211.600 - 217.200 = x
0.2
0.100
KMT (m) = 214.400 m
Answer 9
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.013 4.700 9232.0 9006.829 9123.9
1.013 4.600 9013.0 8793.171 8907.5
1.013 4.800 9451.0 9220.488 9340.4
Displacement = 9340.4 - 8907.5 = x
0.2
0.100
Displacement = 9123.9 t
TPC = 21.713 - 21.634 = x
0.2
0.100
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TPC = 21.673 t/cm
MCTC = 162.4 - 160.8 = x
0.2
0.100
MCTC = 161.6 t
LCB = 72.016 - 72.017 = x
0.2
0.100
LCB = 72.017 m
LCF = 71.970 - 72.013 = x
0.2
0.100
LCF = 71.992 m
KB = 2.576 - 2.473 = x
0.2
0.100
KB = 2.525 m
KMT (m) = 8.828 - 8.992 = x
0.2
0.100
KMT (m) = 8.910 m
KMT (m) = 263.900 - 274.100 = x
0.2
0.100
KMT (m) = 269.000 m
Answer 10
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.000 5.162 10249.0 9999.044 9999.0
1.000 5.000 9891.0 9649.756 9649.8
1.000 5.200 10333.0 10080.976 10081.0
TMD = 9999.0 - 9649.8 = x
10081.0 - 9649.8
0.2
CHAPTER – 17 HYDROSTATIC TABLES
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TMD = x + 5.000
TMD = 0.162 + 5.000
TMD = 5.162 m
Displacement = 10081.0 - 9649.8 = x
0.2
0.162
Displacement = 9999.0 t
TPC = 21.600 - 21.522 = x
0.2
0.162
TPC = 21.585 t/cm
MCTC = 163.0 - 161.7 = x
0.2
0.162
MCTC = 162.8 t
LCB = 72.011 - 72.014 = x
0.2
0.162
LCB = 72.012 m
LCF = 71.842 - 71.913 = x
0.2
0.162
LCF = 71.855 m
KB = 2.789 - 2.685 = x
0.2
0.162
KB = 2.769 m
KMT (m) = 8.566 - 8.686 = x
0.2
0.162
KMT (m) = 8.589 m
KMT (m) = 245.400 - 254.300 = x
0.2
0.162
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KMT (m) = 247.091 m
Answer 11
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.018 4.427 8635.0 8424.385 8576.0
1.018 4.400 8576.0 8366.829 8517.4
1.018 4.600 9013.0 8793.171 8951.4
TMD = 8576.0 - 8517.4 = x
8951.4 - 8517.4
0.2
TMD = x + 4.400
TMD = 0.027 + 4.400
TMD = 4.427 m
Displacement = 8951.4 - 8517.4 = x
0.2
0.027
Displacement = 8576.0 t
TPC = 21.741 - 21.651 = x
0.2
0.027
TPC = 21.663 t/cm
MCTC = 161.6 - 160.2 = x
0.2
0.027
MCTC = 160.4 t
LCB = 72.017 - 72.015 = x
0.2
0.027
LCB = 72.015 m
LCF = 72.013 - 72.056 = x
0.2
0.027
CHAPTER – 17 HYDROSTATIC TABLES
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LCF = 72.050 m
KB = 2.473 - 2.367 = x
0.2
0.027
KB = 2.381 m
KMT (m) = 8.992 - 9.182 = x
0.2
0.027
KMT (m) = 9.156 m
KMT (m) = 274.100 - 285.000 = x
0.2
0.027
KMT (m) = 283.529 m
Answer 12
Displacement = 10333.0 - 9891.0 = x
0.2
0.100
Displacement = 10112.0 t
Final Displacement of vessel = Initial displacement + Cargo Loaded + FW & bunkers Final Displacement of vessel = 10112.0t + 1800t + 400t Final Displacement of vessel = 12112.0t
TMD = 12312.3 - 12122.0 = x
12575.0 - 12122.0
0.2
TMD = x + 6.000
TMD = 0.084 + 6.000
TMD = 6.084 m
CHAPTER – 17 HYDROSTATIC TABLES
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Answer 13 Displacement on arrival
Displacement = 9013.0 - 9013.0 = x
0.2
0.000
Displacement = 9013.0 t
Displacement on departure
Displacement = 9891.0 - 9891.0 = x
0.2
0.000
Displacement = 9891.0 t
Final Displacement = Initial Displacement ± cargo worked + Stores Received 9891t = 9013t + 1500t ± cargo worked 9891t = 10513t ± cargo worked 9891t = 10513t – cargo discharged Cargo discharged = 10513t – 9891t Cargo discharged = 622t Answer 14 Initial Displacement
Displacement = 7708.0 - 7708.0 = x
0.2
0.000
Displacement = 7708.0 t
Final Displacement = Initial Displacement + Cargo loaded – Ballast pumped out Final Displacement = 7708t + 5000t – 800t Final Displacement = 11908t
TMD = 11908.3 - 11672.0 = x
12122.0 - 11672.0
0.2
CHAPTER – 17 HYDROSTATIC TABLES
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TMD = x + 5.800
TMD = 0.105 + 5.800
TMD = 5.905 m
Answer 15
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.010 5.300 10555.0 10297.561 10400.5
1.010 5.200 10333.0 10080.976 10181.8
1.010 5.400 10777.0 10514.146 10619.3
Initial Displacement
Displacement = 10619.3 - 10181.8 = x
0.2
0.100
Displacement = 10400.5 t
Final Displacement = Initial Displacement + Cargo loaded Final Displacement = 10400.5t + 2500t Final Displacement = 12900.5 Draft at RD 1.010
TMD = 12900.0 - 12839.3 = x
13288.6 - 12839.3
0.2
TMD = x + 6.400
TMD = 0.027 + 6.400
TMD = 6.427 m
CHAPTER – 17 HYDROSTATIC TABLES
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Draft at RD 1.025
TMD = 12900.3 - 12575.0 = x
13030.0 - 12575.0
0.2
TMD = x + 6.200
TMD = 0.143 + 6.200
TMD = 6.343 m
Answer 16
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.017 5.600 11223.0 10949.268 11135.4
1.017 5.600 11223.0 10949.268 11135.4
1.017 5.800 11223.0 10949.268 11135.4
Initial Displacement at 5.6m at RD 1.017
Displacement = 11135.4 - 11135.4 = x
0.2
0.000
Displacement = 11135.4 t
Final Displacement required at 6.4m draft at RD 1.025
Displacement = 13030.0 - 13030.0 = x
0.2
0.000
Displacement = 13030.0 t
Cargo to load = Final Displacement – Initial Displacement Cargo to load = 13030.0t – 11135.4t Cargo to load = 1894.6t
CHAPTER – 17 HYDROSTATIC TABLES
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Answer 17 Initial Displacement
Displacement = 12122.0 - 12122.0 = x
0.2
0.000
Displacement = 12122.0 t
Depth of bar = 5.4m UKC =-0.4m Draft required = 5.0m
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.015 5.000 9891.0 9649.756 9794.5
1.015 5.000 9891.0 9649.756 9794.5
1.015 5.200 9891.0 9649.756 9794.5
Final Displacement required at 5m draft at RD 1.015
Displacement =
9794.5 - 9794.5 = x
0.2
0.000
Displacement = 9794.5 t
Final Required displacement = Initial Displacement – Cargo to discharge 9794.5t = 12122.0t – Cargo to discharge Cargo to discharge = 12122.0t – 9794.5t Cargo to discharge = 2327.5t
CHAPTER – 17 HYDROSTATIC TABLES
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Answer 18 Displacement on arrival at RD 1.006 at draft 4.9m
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.006 4.900 9671.0 9435.122 9491.7
1.006 4.800 9451.0 9220.488 9275.8
1.006 5.000 9891.0 9649.756 9707.7
Displacement = 9707.7 - 9275.8 = x
0.2
0.100
Displacement = 9491.7 t
Displacement on arrival at RD 1.018 at draft 6.0m
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.018 6.000 12122.0 11826.341 12039.2
Displacement = 12039.2 - 12039.2 = x
0.2
0.000
Displacement = 12039.2 t
Final Displacement = Initial displacement ± Cargo – (2 * heavy lift of 200t) 12039.2t = 9491.7t ± Cargo –(2 * 200) 12039.2t = 9491.7t – 400t ± Cargo 12039.2t = 9091.7t + Cargo 12039.2t – 9091.7t = Cargo Loaded 2947.5t = Cargo Loaded
CHAPTER – 17 HYDROSTATIC TABLES
Page 16 of 17
Answer 19
Displacement of vessel while leaving Bombay = 13943t Total consumption = (Number of days) * (Fuel Consumption + FW Consumption) Total Consumption = 6 * (20 + 15) Total Consumption = 6 * 35 Total Consumption = 210t Final Displacement = Initial Displacement – Consumption Final Displacement = 13943.0t – 210.0t Final Displacement = 13733.0t Draft of vessel at RD 1.000
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.000 6.858 14076.1 13732.790 13732.8
1.000 6.800 13943.0 13602.927 13602.9
1.000 7.000 14402.0 14050.732 14050.7
TMD = 13732.8 - 13602.9 = x
14050.7 - 13602.9
0.2
TMD = x + 6.800
TMD = 0.058 + 6.800
TMD = 6.858 m
Draft of vessel at RD 1.025
TMD = 13732.8 - 13486.0 = x
13943.0 - 13486.0
0.2
TMD = x + 6.600
TMD = 0.108 + 6.600
TMD = 6.708 m
CHAPTER – 17 HYDROSTATIC TABLES
Page 17 of 17
Answer 20
Initial Displacement
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.020 5.400 10777.0 10514.146 10724.4
Displacement = 10724.4 - 10724.4 = x
0.2
0.000
Displacement = 10724.4 t
Total consumption = (Number of days) * (Fuel Consumption + FW Consumption) Total Consumption = 8 * (14 + 16) Total Consumption = 8 * 30 Total Consumption = 240t Final Displacement required at draft of 6.3m at RD 1.000
RD of DW Water
Draft in (m) W in SW (t) U/W Vol (m3) W in DW of RD (t)
1.000 6.300 12802.5 12490.244 12490.2
1.000 6.200 12575.0 12268.293 12268.3
1.000 6.400 13030.0 12712.195 12712.2
Displacement = 12712.2 - 12268.3 = x
0.2
0.100
Displacement = 12490.2 t
Final Displacement required = Initial Displacement – Total consumption + Cargo loaded 12490.2t = 10724.4t – 240t + Cargo loaded 12490.2t = 10484.4t + Cargo loaded 12490.2t – 10484.4t = Cargo loaded 2005.8t = Cargo loaded
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