Coast Guard Exam Questions and answers 2025.

Coast Guard Exam Questions and
answers 2025




Where .would .you .find .information .concerning .the .duration .of .slack .water? .-
.CORRECT .ANSWER-Tidal .Currents .Tables


Spring .tides .are .tides .that .__________. .- .CORRECT .ANSWER-have .lows .lower
.than .normal .and .highs .higher .than .normal


When .there .are .small .differences .between .the .heights .of .two .successive .high
.tides .or .two .low .tides, .in .a .tidal .day, .the .tides .are .called .__________. .-
.CORRECT .ANSWER-semidiurnal


The .height .of .tide .is .the .__________. .- .CORRECT .ANSWER-difference .between
.the .depth .of .the .water .and .the .area's .tidal .datum


What .is .the .definition .of .height .of .tide? .- .CORRECT .ANSWER-The .vertical
.distance .from .the .tidal .datum .to .the .level .of .the .water .at .any .time


The .distance .between .the .surface .of .the .water .and .the .tidal .datum .is .the
.__________. .- .CORRECT .ANSWER-height .of .tide.


The .diurnal .inequality .of .the .tides .is .caused .by .__________. .- .CORRECT
.ANSWER-the .declination .of .the .Moon


The .average .height .of .the .surface .of .the .sea .for .all .stages .of .the .tide .over .a .19
.year .period .is .called .__________. .- .CORRECT .ANSWER-mean .sea .level


Mean .high .water .is .the .average .height .of .__________. .- .CORRECT .ANSWER-all
.high .waters


Mean .low .water .is .the .average .height .of .__________. .- .CORRECT .ANSWER-all
.low .waters


What .does .the .term ."tide" .refer .to? .- .CORRECT .ANSWER-Vertical .movement .of
.the .water


Priming .of .the .tides .occurs .__________. .- .CORRECT .ANSWER-when .the .Moon
.is .between .new .and .first .quarter .and .between .full .and .third .quarter

, Which .statement .is .TRUE .concerning .equatorial .tides? .- .CORRECT .ANSWER-
The .difference .in .height .between .consecutive .high .or .low .tides .is .at .a
.minimum.


Tropic .tides .are .caused .by? .- .CORRECT .ANSWER-Moon .being .at .its .maximum
.declination


When .the .Moon's .declination .is .maximum .north, .which .of .the .following .will
.occur? .- .CORRECT .ANSWER-Tropic .Tides


Which .statement .is .TRUE .concerning .apogean .tides? .- .CORRECT .ANSWER-
They .have .a .decreased .range .from .normal.

An .important .lunar .cycle .affecting .the .tidal .cycle .is .called .the .nodal .period.
.How .long .is .this .cycle? .- .CORRECT .ANSWER-19 .years


In .some .parts .of .the .world .there .is .often .a .slight .fall .in .tide .during .the .middle
.of .the .high .water .period. .The .effect .is .to .create .a .longer .period .of .stand .at
.higher .water. .This .special .feature .is .called .a(n) .__________. .- .CORRECT
.ANSWER-double .high .water


The .class .of .tide .that .prevails .in .the .greatest .number .of .important .harbors .on
.the .Atlantic .Coast .is .__________. .- .CORRECT .ANSWER-semidiurnal


Neap .tides .occur .when .the .__________. .- .CORRECT .ANSWER-Moon .is .in .its
.first .quarter .and .third .quarter .phases


Neap .tides .occur .when .- .CORRECT .ANSWER-when .the .Sun .and .Moon .are .at
.approximately .90° .to .each .other, .as .seen .from .the .Earth


Neap .tides .only .occur .- .CORRECT .ANSWER-when .the .Moon .is .at .quadrature

When .the .moon .is .at .first .quarter .or .third .quarter .phase, .what .type .of .tides .will
.occur? .- .CORRECT .ANSWER-neap


Spring .tides .occur .__________. .- .CORRECT .ANSWER-when .the .Sun, .Moon, .and
.Earth .are .nearly .in .line, .in .any .order


neap .90 ./ .spring .line .- .CORRECT .ANSWER-

Spring .tides .occur ._________. .- .CORRECT .ANSWER-when .the .moon .is .new .or
.full.


Your .vessel .goes .aground .in .soft .mud. .You .would .have .the .best .chance .of
.refloating .it .on .the .next .tide .if .it .grounded .at .__________. .- .CORRECT
.ANSWER-low .water .spring