3-52.What is the relationship, if any,between wave amplitude and waveheight?1.Wave amplitude equals one-halfthe wave height2.Wave amplitude equals the waveheight3.Wave amplitude is twice thewave height4.None3-53.State the relationship between wavefrequency and wave period?1.Wave frequency is twice thewave period2.The lower the wave frequency,the longer the wave period3.Wave frequency equals one-halfthe wave period4.The greater the wave frequency,the longer the wave period3-54.If the mean period of a group ofwaves is 1.5 see, what would be thegroup wave speed?1.6 knots2.2 knots3.8 knots4.4 knots3-55.What is the significance of thefilter area in swell waveforecasting?1.The filter area allows onlycertain frequencies of swellwaves to arrive at the forecastpoint2.The filter area has littlesignificance in swell waveforecasting3.The filter area allows allfrequencies of swell waves toarrive at the forecast point4.The filter area allows onlyhigh frequency swell waves toarrive at the forecast point3-56.What is the importance, if any, ofthe significant frequency range?1.Low value frequencies with E-values greater than 5% areeliminated2.It determines the range ofperiods at the forecast point3.High value frequencies withE-values greater than 3% areeliminated4.None3-57.When, if ever, does the energytransfer from the wind to the seawave cease?1.When the speed of the sea waveequals the speed of the wind2.When the speed of the sea waveexceeds the speed of the wind3.When the speed of the sea wavefirst exceeds one-half the windspeed4.Never3-58.Which of the following statementsis NOT accurate regarding fullydeveloped seas?1.Generated wave frequenciesequal to or greater than theminimum frequency for the windspeed may be propagated2.The leeward portion of thefetch area is in a steady state3.Sea waves can not be generatedat higher heights than themaximum value for the windspeed4.The windward portion of thefetch is in a steady state3-59.What is the first step in preparinga wave forecast?1.Determine the duration of thewinds2.Determine a representative windspeed3.Determine a representative winddirection4.Locate the fetch area3-60.Which of the following is the LEASTaccurate measure of wind speed overa fetch area?1.Ship observations2.Reports from ships travelingin opposing directions3.Uncorrected geostrophic winds4.Corrected geostrophic winds3-61.Which of the following statementsregarding curvature corrections isaccurate?1.Add a 10% correction to thegeostrophic wind for moderatelycurved cyclonic curvature2.Straight isobars over shallowbasins require a 10% correction3.For isobars with sharp cycloniccurvature, decrease thegeostrophic wind by 10%4.For isobars with sharply curvedanticyclonic curvature,decrease the geostrophic windby 10%22

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