SQA Chief Mate Stability Theory Practice Test

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• The Attained Subdivision Index "A" is related to what aspect of ship safety?
• Which statement accurately describes the cyclic nature of parametric roll?
• Under what conditions does the Stockholm Agreement apply?
• What occurs to the GZ curve when GM is increased?
• For a vessel carrying timber deck cargo, what is the minimum Initial GM required?
• What is the critical angle of heel?
• What is a common consequence of synchronous rolling?
• What is a potential danger of surf riding in maritime navigation?
• What is a direct effect of a vessel having a high GM?
• Which area under the curve is required to not be less than 0.090m.radians for a regular vessel?
• Which parameter is NOT necessary to present for any loading condition?
• In stability terms, what does "freeboard" refer to?
• What is the angle of loll?
• What should be assumed for each passenger's weight for stability calculations in passenger ships?
• In a fixed trim basis, how might a GZ curve differ from a free trim basis?
• What does "stability criteria" imply?
• What happens to a vessel's stability when there are wave crests at both the bow and stern?
• What is the minimum GZ required at an angle of heel of 30 degrees for a regular vessel?
• Which term describes the distance from the centerline to the center of gravity of the vessel?
• What determines if the basic freeboard can be decreased for vessels with superstructures?
• What is the role of righting moment in vessel stability?
• What happens to KN values in relation to trim when a vessel is rolled?
• What correction must be applied if the deck-line is not in its correct position?
• Which situation might lead to instabilities while a vessel is sailing?
• What is indicated by a high GZ value in stability analysis?
• What impact does hull shape have on stability?
• What happens to the effective KG of a ship when filling an empty double bottom tank?
• How do free surfaces impact vessel stability?
• Which of the following best describes Transverse Statical Stability?
• What effect does a vessel's stern trim have during sailing?
• What is the standard freeboard depth for a ship under the Rules?
• How does a steady heel affect a vessel’s stability?
• What conditions can reduce the recurrence of parametric roll?
• What does the term Transverse Dynamic Stability refer to?
• How do environmental factors like wind and waves affect stability?
• What is the maximum angle of heel allowed after flooding for Type A and Type B vessels?
• How is the Winter Draft Mark determined in relation to the Summer Draft?
• What is the primary function of the bulkhead deck on a ship?
• What does maintaining the correct payload distribution help with?
• How is the metacentric height calculated?
• What is one effect of increased heeling on vessel performance?
• What effect does wave action have on the stability of a vessel when troughs are at midships?
• What happens when the block coefficient exceeds 0.68?
• Which stability criterion is necessary for cargo ships when subject to steady wind?
• What is the effect of a rising center of buoyancy on stability?
• What does the sway angle in naval architecture refer to?
• How does the natural roll period of a vessel change when carrying different types of cargo?
• In the condition of equilibrium after flooding, what is the requirement for the final waterline?
• What degree of precision is required for all draughts in the SQA exam?
• What is the effect of a reduction in a vessel's GM on stability measures?
• What are longitudinal and transverse stability?
• What does a decreased GM indicate for a vessel's stability?
• What is a potential strategy to manage vessel stability during flooding?
• What does a higher freeboard indicate about a vessel?
• What occurs when surf riding happens to a vessel?
• Which is NOT a countermeasure for bilging?
• To qualify as a Type B-60 vessel, which of the following is a requirement?
• What is the effect of wave frequency on a ship's GM during heavy seas?
• What does Type B-60/B-100 correction pertain to regarding freeboard corrections?
• What is the significance of the angle of heel in stability?
• What is the difference between the Tropical Draft Mark and the Summer Draft Mark?
• What must be considered when calculating freeboard for Type A and Type B vessels?
• How is the "righting lever" defined in stability terms?
• What does the term "metacenter" refer to in stability theory?
• What does "K" refer to in stability calculations?
• What happens when a vessel is at an angle of loll?
• What is a recommended mooring arrangement to ensure accurate results during an inclining experiment?
• How does temperature affect the stability of saltwater compared to freshwater?
• What is the required total area under the GZ curve up to the angle of down flooding for container ships?
• What does the "GZ curve" in stability assessments illustrate?
• What does "righting moment" refer to?
• What is a critical step in ensuring the stability of a passenger Ro-Ro ferry according to the Stockholm Agreement?
• What impact does a rounded sheerstrake have on the deck-line correction?
• Under which conditions is parametric rolling most likely to occur?
• What is the purpose of a "conservatism factor" in stability assessments?
• What is essential to monitor when loading ballast?
• What is the assumed ice weight carried on all horizontal surfaces as per Full Icing Allowances?
• What is the effect of loading weight low down in a vessel?
• What happens during parametric roll?
• What is the minimum GM required for cargo ships carrying timber deck cargoes?
• How does water density affect the trim of a vessel?
• Which of the following describes passive data entry systems in stability instruments?
• Which correction is NOT applied to obtain the Assigned Freeboard for a 'Type A' ship?
• What information must be supplied to the master for each pre-worked ship condition according to Load Line Regulations?
• What role does flooding play in assessing a vessel's stability?
• What is the maximum angle of heel allowed on passenger ships due to passengers as per the current IMO Intact Stability Code?
• What is the purpose of the stability book for a vessel?
• What procedure is commonly used to correct a large angle of list on a vessel?
• A Type B-100 vessel must have which of the following features to qualify for a freeboard reduction?
• Which vessels are affected by the Length and Depth correction?
• What is meant by the term "stability reserve"?
• How is the metacentric height (GM) calculated?
• How should timber deck cargo be stowed for the alternative intact stability regulations to apply?
• How can one avoid parametric rolling?
• What is the maximum allowable list in the event of grain shift according to the International Grain Code?
• What characterizes parametric rolling?
• What is considered a suitable value for metacentric height (GM) for conventional vessels?
• What limitation does a curve of statical stability have?
• Which of the following parameters is required to be shown by a Stability Instrument?
• What is required for cargo distribution to apply alternative stability criteria for timber deck cargoes?
• What parameters are evaluated to assess the "loading condition" for stability?
• In terms of vessel safety, what key role does GM play?
• Which maritime authority is typically responsible for enforcing vessel stability regulations?
• Which factor does NOT affect a vessel's GZ curve?
• What is the Flush Deck Correction and what type of vessels does it apply to?
• Which parameter influences the Required Subdivision Index "R" for passenger ships?
• What is the result of a vessel with superstructure less than standard height?
• What is the minimum area under the GZ curve from 30 to 40 degrees that is required for container ships greater than 100 meters?
• Why is a "stability criteria diagram" significant?
• What does it mean for a vessel to have a "loaded condition"?
• What results may follow if a vessel experiences broaching?
• What is one potential consequence of not managing wave effects on a vessel's stability?
• What characterizes the initial transverse metacentric height (GM) of a vessel?
• Which factor is critical to assess when analyzing a vessel's stability?
• What does "initial stability" refer to in a maritime context?
• What is a key characteristic of the GZ curve for a vessel experiencing cargo loading on deck?
• What change in the natural roll period occurs with a GM of 0.30m?
• How does wind loading impact vessel stability?
• How does a reduction of the center of gravity influence stability?
• What aspect of a vessel's design can potentially hinder its stability during operation?
• What are the two forces acting on a vessel during a turn that cause an angle of heel?
• What is the effect on the KG if an empty compartment below a watertight flat is bilged?
• What happens to a vessel if it has a lower GM during adverse weather conditions?
• How is the sheer of a vessel related to its freeboard?
• What is the key characteristic of modern large container vessels in relation to parametric rolling?
• Which method can be employed to reduce lists caused by icing?
• What does the effective area of the waterplane refer to?
• How can a vessel's trim be adjusted for optimal stability during operations?
• How does trim affect a vessel’s stability?
• What happens to the stability of a vessel when the center of gravity is raised?
• What type of survey is an Initial Survey for the load line certificate?
• What role does waterplane area play in vessel stability?
• If a vessel broaches, what is one possible outcome?
• What is needed to correct an angle of Loll effectively?
• Why is determining a vessel's "loaded condition" significant?
• What is the main purpose of the Stockholm Agreement?
• Which method is NOT recommended to reduce the likelihood of grain shifting?
• What could cause changes to a vessel's Lightship KG and Lightship displacement?
• What might be assessed during a stability analysis prior to a voyage?
• How does an increase in beam typically affect a vessel's GZ curve?
• What are "bending moments" in stability theory?
• According to current Load Line Regulations, which condition must the Master be provided with for arrival and departure?
• What does a negative GM value indicate for a vessel?
• What degree of precision is specified for volume, displacements, and weights in the SQA exam?
• What is one of the sections required in a Stability Information Booklet?
• How does icing affect the stability of a vessel?
• How are stability criteria for vessels legislated and enforced?
• What effect does adding weight to a vessel have on its stability?
• What is a recommended measure to avoid or stop synchronous rolling?
• What is the principal difference between a Type A and a Type B vessel?
• What effect do moving waves have on a ship's stability compared to calm seas?
• In stability theory, what does the term "heel" refer to?
• How should the timber deck cargo be distributed?
• What is an "arm" in stability calculations?
• What can cause a vessel to experience a list when carrying grain?
• What may influence the accuracy of stability calculations on a vessel?
• What is the effect on GZ for a transverse shift of cargo according to stability principles?
• What does the term "KG" refer to in the context of a vessel?
• What should be ensured regarding the access for crew when stowing timber deck cargo?
• How are international standards for vessel stability developed?
• What is the interval time frame for a Periodic Survey associated with the load line certificate?
• What are stability limits?
• Which condition can potentially lead a vessel to capsize?
• What critical aspect does "dynamic stability" assess in a vessel?
• Which type of calculation does Type 1 stability instrument software perform?
• Why is it important to regulate stability criteria?
• Why is stability analysis significant before a voyage?
• What determines the reduction in basic freeboard for superstructures?
• What role does "hydrostatics" play in stability calculations?
• In maneuvers, how can the sway angle affect the vessel's actions?
• What is a "cross curves of stability"?
• In examinations involving box-shaped vessels, what is the maximum precision for KG, KM, and GM?
• What is the effect of being in a seaway on a vessel's GZ curve when a wave crest is midships?
• What is a consequence of shifting grain in a cargo hold?
• What area must not be less than 0.075m.radians for a bulk grain-carrying vessel?
• In terms of flooding stability, what does the maximum GZ have to meet after flooding?
• What is the effect on a vessel's statical stability in a flat calm sea?
• Why is a timber deck cargo vessel allowed to have a smaller GM than other cargo vessels?
• How does increasing a vessel's draft affect its curve of statical stability?
• In terms of stability, how does weight distribution affect a vessel?
• What is the minimum required Initial GM for a regular vessel according to the Intact Stability Code 2008?
• Which statement is true about the statical stability curve?
• What is the minimum GZ value required for cargo ships carrying timber deck cargoes?
• How does ballast influence vessel stability?
• What does the "tipping point" refer to in relation to vessel stability?
• What is the purpose of the "load line" on a vessel?
• What is the purpose of the stability triangle in stability calculations?
• What do the 'Damage Control Plan' and 'Damage Control Booklet' aim to provide?
• What condition increases the tabulated freeboard for wooden hatches?
• According to the International Grain Code, what is the minimum allowable GM for a vessel carrying grain in bulk?
• How can stabilizers affect a ship’s stability in heavy weather?
• What role does the center of buoyancy play in vessel stability?
• What is the maximum angle of down flooding a vessel must account for according to stability criteria?
• How does heavy weather affect vessel stability?
• What is one consequence of exceeding safe sway angles during maneuvers?
• What occurs during synchronous rolling?
• In nautical terms, what does "heel" refer to?
• What is the meaning of "dynamic stability" in a maritime context?
• How does off-center loading affect a vessel's stability?
• What is NOT a factor influencing the accuracy of a vessel's stability calculations?
• What does a positive metacentric height indicate about a vessel’s stability?
• If a vessel does not have superstructure covering 0.1L forward and aft of midships, what happens to freeboard?
• What is the primary measure of a vessel's ability to resist capsizing?
• What does an increase in free surface moment effect on vessel stability?
• What happens to buoyancy in the event of flooding if the underwater volume is greater?
• Why is the initial GM different for vessels carrying different cargo types?
• What is the required degree of precision for KG, KM, and GM in the SQA exam?
• How do waves influence a vessel's stability?
• What is one significant danger of synchronous rolling?
• What is the criterion for GZ at an angle of heel equal to or greater than 30 degrees for container ships?
• What is applied if the bow height is less than the required minimum?
• What are the assumptions regarding damage stability for Type 'B-60' ships in comparison to Type A and Type B?
• What is the definition of a vessel's center of gravity (CG)?
• In vessel stability assessments, why is it critical to analyze the effect of external forces, like wind and waves?