Swell is the rise and fall of the ocean’s surface due to().
A、fetch
B、distant winds
C、local storms
D、the pull of the moon
A、fetch
B、distant winds
C、local storms
D、the pull of the moon
A、amount of temperature rise with no load B、temperature of the compartment where the motor is located C、normal operating temperature, less the room temperature D、amount of temperature developed by an operating motor
A、A.Stratocumulus clouds or strange birds B、B.Rain and increasing winds C、C.An exceptionally long swell D、D.Dark clouds and the“bar”of the storm
A、drop as the boiler warms up B、rise as the boiler warms up C、remain unchanged until the boiler is hot enough D、rise and fall with the steam demand
A、A.A decrease in the speed results in a decrease in steering response and maneuverability B、B.An increase in speed results in the stern sucking down lower than the Bow C、C.An increase in speed results in the vessel rising on an even plane D、D.A decrease in speed results in the vessel sucking down on an even plane
A、is flowing towards the land B、is moving towards the ocean C、level is not changing D、level is rising because of heavy rains
A、A pumping of the barometer up and down a few millibars B、A sudden wind shift from southwest to northwest followed by steadily increasing winds C、The normal swell pattern becoming confused,with the length of the swell increasing D、An overcast sky with steadily increasing rain from nimbostratus clouds