Which statement is TRUE concerning equatorial tides ________.
A.They occur when the Sun is at minimum declination north or south
B.They occur when the Moon is at maximum declination north or south
C.The difference in height between consecutive high or low tides is at a minimum
D.They are used as the basis for the vulgar establishment of the port
第1题:
Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ________.
A.Stack weights should be less when using a solid bar lashing as compared to a wire lashing
B.Stack heights may be increased when using a solid bar lashing
C.Stack heights should be reduced when using a solid bar lashing
D.Solid bars should be used for lashing the first tier only,with wire lashings on the higher tier(s)
第2题:
Which statement is TRUE concerning buoyant work vests aboard tankers ________.
A.They may be worn while working on deck but not while working over the side
B.They must be used only under supervision of a designated ship's officer
C.They will be accepted for up to 10% of the required life preservers
D.They may be worn during drills
第3题:
Which statement about tunnel bow thrusters fitted to large vessels is TRUE ________.
A.They are effective on most vessels at speeds up to 10 knots
B.Because of their location,most modern installations have as much power as a tug
C.They are fully effective at all drafts
D.When going astern at slow speed,they provide effective steering control
第4题:
Which statements concerning the switch construct are true?()
第5题:
At the start of spring,when the Sun is nearly over the equator
Only when the Sun and Moon are on the same sides of the Earth and are nearly in line
When the Sun and Moon are at approximately 90° to each other,as seen from the Earth
When the Sun,Moon,and Earth are nearly in line,regardless of alignment order
第6题:
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
第7题:
when the moon is new or full
when the moon and sun have declination of the same name
only when the moon and sun are on the same sides of the earth
at the beginning of spring when the sun is over the equator
第8题:
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
第9题:
at the start of spring,when the Sun is nearly over the equator
only when the Sun and Moon are on the same side of the Earth and nearly in line
when the Sun and Moon are at approximately 90°to each other as seen from the Earth
when the Sun,Moon,and Earth are nearly in line,in any order
第10题:
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.
第11题:
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
第12题:
The discharge is slow due to the size of the cargo and all the cranes working together
The cargo discharge can be accomplished with controlled pendulation
The cargo discharge can be performed in port or at anchor
The cranes enable the handling of heavy cargos without shoreside assistance
第13题:
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited ________.
A.It is required on all vessels
B.It may be located in a conspicuous place in the wheelhouse
C.It may be located at the bilge and ballast pump control station
D.All of the above
第14题:
Which statement is TRUE concerning insulating flanges ________.
A.They should be inspected and tested periodically to ensure that the insulation is clean and in good condition
B.Switching off a cathodic protection system may be substituted for using an insulating flange
C.The measured resistance value after installation should be less than 1,000 ohms
D.After the insulating flange is installed,hot work may be performed on deck
第15题:
Concerning the identification signal for a pilot vessel, in fog, which statement is TRUE?___.
A.When at anchor, the pilot vessel is only required to sound anchor signals
B.The identification signal must be sounded any time the pilot vessel is underway
C.The pilot vessel may only sound the identity signal when making way
D.All of the above
第16题:
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
第17题:
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
第18题:
They are evaluated by all the three WHEN clauses regardless of the results of the evaluation of any other WHEN clause.
They are evaluated by the first WHEN clause. If the condition is true, then the row would be evaluated by the subsequent WHEN clauses.
They are evaluated by the first WHEN clause. If the condition is false, then the row would be evaluated by the subsequent WHEN clauses.
The INSERT statement would give an error because the ELSE clause is not present for support in case none of the WHEN clauses are true.
第19题:
The Master of the vessel must be on the bridge when the radar is in use
The radar equipment is only required to be used in restricted visibility
The use of a radar excuses a vessel from the need of a look-out
This equipment must be used to obtain early warning of risk of collision
第20题:
The catenary in a hawser should be sufficient so that the hawser just touches the bottom
The hawser is of sufficient length for towing when taut between tug and tow
Increasing speed usually increases the catenary in the hawser
Shortening the tow hawser generally decreases the maneuverability of the tug
第21题:
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)
第22题:
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
第23题:
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