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Introduction

HNC/Ad Certificate Stability
Specifically designed for students preparing for HNC/AdC Stability, or for students wishing to regain knowledge before preparing for OOW SQA exams.
Hydrostatics
Hydrostatic Definitions
Hydrostatics Formula
Weight Buoyancy and Density
Hydrometer and Density
Coefficients
TPC
Using Hydrostatics load/discharge
Interpolation
Hydrostatics with dock water desnity
Ship dimensions and draft marks
Load Lines and Zones
FWA and DWA
Total sinkage examples
Converting TPC
complete examples loading and discharging
calculations involving Freeboard
New Lesson
Sample Hydrostatic Questions
Copy of Questions 1-16
Question 1 answer
Question 2 answer
Question 3 answer
Question 4 answer
Question 5 answer
Question 6 answer
Question 7 answer
Question 8 answer
Question 9 answer
Question 10 answer
Question 11 answer
Question 12 answer
Question 13 answer
Question 14 answer
Question 15 answer
Question 16 answer
Transverse
Transverse Definitions
Transverse formula to use
Buoyancy, Gravity, movement of ‘G’
Single weight calculations
Multiple weights loaded, discharged, moved
Moving weight using ships gear
KM and GM
Buoyancy-movement of ‘B’
GZ-Righting Lever theory
GZ-Righting Moments-MSS-calculations
Equilibrium-stable-neutral-unstable
Free Surface Effect-theory
Free Surface Effect-calculations
List theory
Maximum List-loading single weight
Maximum List-discharging single weight
Maximum List-single weight involving free surface moments
Transfer weight to get ship upright
Maximum List-loading two weights
Calculating Initial Listing Moments
Maximum List involving several weights
Loading weight to finish upright
Factors changing angle of List
Establishing Kg of ballast loaded or discharged
Theory-Movement of ‘G’ when using crane/derrick on board
Theory-Moving a weight on board ship
Theory-crane/derrick moving weight on board
Theory-loading weight using crane/derrick on board
Theory-discharging weight using crane/derrick on board
List explained
List and Loll theory
Correcting Loll with subdivided tank
Correcting Loll using three tanks
Loading to correct negative initial GM
GZ Curves-theory, and loss of GZ due to cargo shift
GZ Curves-stiff and tender vessels
GZ curve-Loll-Negative Initial GM
GZ Curve-List
GZ curve-Zero GM-Neutral Stability
Sample Transverse Questions
Questions 1-20
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8
Question 9
Question 10
Question 11
Question 12
Question 13
Question 14
Question 15
Question 16
Question 17
Question 18
Question 19
Question 20
Longitudinal
Longitudinal Definitions
Longitudinal Formula
Trim, LBP, LOA
LCB,LCG,LCF
True mean Draft
Trim 1
Trim 2
Initial information to solve
Calculating initial LCG
LCF position
Methodology solving problem
Interpolation
Complete Longitudinal problem
Change of trim overall problems
moving weight to change trim of aft draft
Sample Logitudinal Questions
Longitudinal Questions 1-9
Question 1
Question 2
Question 3
Question 4
Question 5
Question 6
Question 7
Question 8
Question 9
New Lesson
New Lesson
New Lesson
