Which statement is TRUE concerning apogean tides ________．A.They occur only at quadratureB.They occur when the Moon is nearest the EarthC.They cause diurnal tides to become mixedD.They have a decreased range from normal

They occur when the Sun is at minimum declination north or south

They occur when the Moon is at maximum declination north or south

The difference in height between consecutive high or low tides is at a minimum

They are used as the basis for the vulgar establishment of the port

When at anchor，the pilot vessel is only required to sound anchor signals

The identification signal must be sounded any time the pilot vessel is underway

The pilot vessel may only sound the identity signal when making way

All of the above

It is a sailing maneuver which brings the vessel's head through the wind

It connects the boom to the mast and allows the boom to swing freely

It is a sailing condition where there is a loss of air flow over the sails

None of the above

It is required on all vessels

It may be located in a conspicuous place in the wheelhouse

It may be located at the bilge and ballast pump control station

All of the above

All switch statements must have a default label.

There must be exactly one label for each code segment in a switch statement.

The keyword continue can never occur within the body of a switch statement.

No case label may follow a default label within a single switch statement.

A character literal can be used as a value for a case label.

They must be released by freeing a safety shackle

They should not be released until the boat is in lowering position

They may be adjusted by a turnbuckle

They are normally used only with radial davits

They occur only at quadrature

They occur when the Moon is nearest the Earth

They cause diurnal tides to become mixed

They have a decreased range from normal

Fuel vapors gather in the lowest portions of the vessel

Fuel vapors can only be ignited by an open flame

Vent outlets should be located above the level of the carburetor air intake

None of the above

at a new or full Moon

when the Sun，Moon，and Earth are in line

at approximately 28-day intervals

when the Moon is at quadrature

Sweat damage in containers is unusual due to the small enclosed volume of air

In general，containerized hygroscopic cargoes are the only ones subject to sweat damage

Containers should be ventilated，dehumidified，or the contents physically protected against sweat damage

Sweat damage is not a problem except in insulated and refrigerated containers

The PDB must be open in read-only mode.

The PDB must be in mount state.

The PDB must be unplugged.

The PDB data files are always removed from disk.

A dropped PDB can never be plugged back into a multitenant container database (CDB).

Stack weights should be less when using a solid bar lashing as compared to a wire lashing

Stack heights may be increased when using a solid bar lashing

Stack heights should be reduced when using a solid bar lashing

Solid bars should be used for lashing the first tier only，with wire lashings on the higher tier(s)

Synonyms can be created only for a table 

Synonyms are used to reference only those tables that are owned by another user 

A public synonym and a private synonym can exist with the same name for the same table 

The DROP SYNONYM statement removes the synonym, and the table on which the synonym has been created becomes invalid

The light comes on at sunset

There is an emergency light if the main light is extinguished

The height of the light is 24 feet

The tower is painted with black and white stripes

She must use this equipment to obtain early warning of risk of collision

The use of a radar excuses a vessel from the need of a look-out

The radar equipment is only required to be used in restricted visibility

The safe speed of such a vessel will likely be greater than that of vessels without radar