考题
Concerning baby-sitting and managing a paper route, which of the following statement is true?A. Both call for daily service.B. Both call for a sense of responsibility.C. Neither is affected by bad weather.D. Neither is helpful to character development.
考题
Which statement is TRUE concerning the flash point of a substance ________.A.It is lower than the ignition temperatureB.It is the temperature at which a substance will spontaneously igniteC.It is the temperature at which a substance,when ignited,will continue to burnD.It is the temperature at which the released vapors will fall within the explosive range
考题
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited ________.A.It is required on all vesselsB.It may be located in a conspicuous place in the wheelhouseC.It may be located at the bilge and ballast pump control stationD.All of the above
考题
Which statement is TRUE concerning combustible gas indicators ________.A.One sample of air is adequate to test a tankB.They do not work properly where there is a lack of oxygenC.They will detect a lack of oxygenD.They are calibrated to read the percentage chance of explosion
考题
Which statement concerning GPS is TRUE ________.A.It cannot be used in all parts of the worldB.There are 12 functioning GPS satellites at presentC.It may be suspended without warningD.Two position lines are used to give a 2D fix
考题
Which statements concerning the switch construct are true?() A、All switch statements must have a default label.B、There must be exactly one label for each code segment in a switch statement.C、The keyword continue can never occur within the body of a switch statement.D、No case label may follow a default label within a single switch statement.E、A character literal can be used as a value for a case label.
考题
单选题In addition to communication equipment, the GMDSS will introduce requirements of SARTs and EPIRBs designed to improve the().A
living standardsB
survival conditionC
chance of survivalD
technical specification
考题
单选题The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?()A
A fusible link will automatically open after a fire is extinguished and reset the damperB
Fusible links must be replaced at every inspection for certificationC
Fusible links are tested by applying a source of heat to themD
Fusible links must be replaced if a damper is activated
考题
单选题Survival craft EPIRBs (Class S) are().A
permanently mounted in the survival craftB
portable and stowed for carriage to the survival craftC
permanently mounted on the bridge wingsD
portable and stowed in the emergency gear locker
考题
单选题Class A EPIRBs are required on().A
self-propelled,inspected vesselsB
towing vesselsC
recreational vesselsD
uninspected passenger vessels
考题
单选题Which statement concerning sweat damage in containers is TRUE?().A
Sweat damage in containers is unusual due to the small enclosed volume of airB
In general,containerized hygroscopic cargoes are the only ones subject to sweat damageC
Containers should be ventilated,dehumidified,or the contents physically protected against sweat damageD
Sweat damage is not a problem except in insulated and refrigerated containers
考题
单选题Which statement(s) is/are TRUE concerning crane cargo operations? ()A
Do not exceed rated load capacity of crane and container spreader or slingsB
During any cargo handling operation,the safety of personnel is paramountC
Cargo handlers must be outfitted with adequate protection from personal injuryD
All the above
考题
单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges().A
Each vessel should show sidelightsB
Each vessel should show at least one white lightC
The barges should be lighted as separate unitsD
The barges should be lighted as one vessel
考题
单选题Which statement is TRUE concerning the gooseneck().A
It is a sailing maneuver which brings the vessel's head through the windB
It connects the boom to the mast and allows the boom to swing freelyC
It is a sailing condition where there is a loss of air flow over the sailsD
None of the above
考题
单选题Which statement is TRUE concerning hawser towing? ()A
The catenary in a hawser should be sufficient so that the hawser just touches the bottomB
The hawser is of sufficient length for towing when taut between tug and towC
Increasing speed usually increases the catenary in the hawserD
Shortening the tow hawser generally decreases the maneuverability of the tug
考题
单选题If the situation arose where it became necessary to tow a disabled vessel,which statement is TRUE concerning the towing line?().A
The towing line between the two vessels should be clear of the waterB
The towing line should be taut at all times between the vesselsC
There should be a catenary so the line dips into the waterD
None of the above
考题
单选题Which statement concerning teams is true?A
Nowadays teamwork is a popular concept.B
All the companies put great emphasis on teams.C
A good team involves close supervision of the team leader.D
There’s nothing in common between a team and a group.
考题
单选题Concerning the management of sewage treatment plant using activated sludge, which of the following is correct?()A
the plant should be prohibited to supplying airB
the plant should work at intervalsC
the plant should be added disinfector in timeD
we should check strength of activated sludge, ivory-white color is best
考题
单选题Which statements concerning the switch construct are true?()A
All switch statements must have a default label.B
There must be exactly one label for each code segment in a switch statement.C
The keyword continue can never occur within the body of a switch statement.D
No case label may follow a default label within a single switch statement.E
A character literal can be used as a value for a case label.
考题
单选题The satellite system of GAMDSS comprise().A
NAVTEX, COSPAS/SARSAT, EPIRBs and Status Recording-systemB
Inmarsat,COSPAS/SARSAT, EPIRBs and Status Recording-systemC
NAVTEX, Inmarast,EPIRBs and SARTD
Inmarsat, direct Printing Telegraphy
考题
单选题Which statement is TRUE concerning lifeboat gripes?()A
They must be released by freeing a safety shackleB
They should not be released until the boat is in lowering positionC
They may be adjusted by a turnbuckleD
They are normally used only with radial davits
考题
单选题Which statement is TRUE concerning gasoline vapors on board a vessel().A
They are heavier than air and will settle in the lowest part of the vesselB
They are lighter than air and will settle in the highest part of the vesselC
They should be vented into the engine to improve combustionD
They should be vented into the wheelhouse
考题
单选题Which statement concerning Montauk Point Light is TRUE().A
The light comes on at sunsetB
There is an emergency light if the main light is extinguishedC
The height of the light is 24 feetD
The tower is painted with black and white stripes
考题
单选题Class C EPIRBs are().A
manually activated and operate on maritime (VHF) channelsB
automatically activated and operate on maritime (VHF) channelsC
manually operated and detected by satelliteD
automatically operated and detected by satellite
考题
单选题Which statement about satellite navigation is TRUE? ()A
While a fix can be generated by signals received from two satellites,three satellites are necessary for reliable accuracyB
The satellites are in equatorial orbits around the earth about 60°of longitude apartC
The satellite navigation system determines a fix by measuring the doppler shift of the radio signals from the satelliteD
The ship's receiver cannot begin processing data until the antenna locks onto the satellite and starts continuous tracking
考题
单选题Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite?()A
Class A EPIRBsB
Class B EPIRBsC
L-Band EPIRBsD
Category I EPIRBs
考题
单选题Which statement is TRUE concerning spare charges for portable fire extinguishers on unmanned tank barges?().A
Spare charges shall be carried for at least 50 percent of each size and variety required on boardB
If the unit cannot be charged by the vessel's personnel,one spare unit shall be carried in lieu of spare chargesC
Spare charges shall be stowed in watertight containers on deckD
Regulations concerning spare charges do not apply to unmanned barges