更多"Which statement is TRUE about nylon"的相关试题:
[单项选择]Which statement about RIPng is true?（）
A. RIPng allows for routes with up to 30 hops.
B. RIPng is enabled on each interface separately.
C. RIPng uses broadcasts to exchange routes.
D. There can be only one RIPng process per router.
[单项选择]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 accuracy
B. The satellites are in equatorial orbits around the earth about 60°of longitude apart
C. The satellite navigation system determines a fix by measuring the doppler shift of the radio signals from the satellite
D. The ship's receiver cannot begin processing data until the antenna locks onto the satellite and starts continuous tracking
[单项选择]Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet（）。
A. Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
B. Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
C. Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
D. Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.
[单项选择]Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）
A. Put one line at the low point and one at the high point of the bollard so they don't touch
B. Take the eye of the second line up through the eye of the first line before putting the second line on the bollard
C. Never put two mooring lines on the same bollard
D. The mooring line forward should be put on the bollard first
[单项选择]Which statement about IPv6 is true?（）
A. Addresses are not hierarchical and are assigned at random.
B. Only one IPv6 address can exist on a given interface.
C. There are 2.7 billion addresses available.
D. Broadcasts have been eliminated and replaced with multicasts.
[单项选择]Which statement about firefighting foam is TRUE?（）
A. Foam conducts electricity
B. To be most effective，foam should be directed at the base of the fire
C. Foam is most effective on burning liquids which are flowing
D. Foam can ONLY be used to extinguish class A fires
[单项选择]Which statement about immersion suits is TRUE?（）
A. The primary color of the suit's exterior may be red，orange or yellow
B. The suit must，without assistance，turn an unconscious person's mouth clear of the water within 5 seconds
C. The suit is flameproof and provides protection to a wearer swimming in burning oil
D. The suit may be stored in a machinery space where the ambient temperature is 160°F
[单项选择]Which statement about the Navigation Rules is TRUE?（）.
A. The rules require vessels to comply with Traffic Separation Scheme regulations
B. The rules use the term safe speed
C. The Rules permit a stand-on vessel to take action prior to being in extremis
D. All of the above are correct
[单项选择]Which statement about stowing spare hose is TRUE（）.
A. Fold the hose so that the male coupling is about 4 feet from the female coupling，then roll it up
B. Roll the hose starting at the female end
C. Roll the hose starting at the male end
D. Fold the hose into lengths about 6 feet long and then lash the folds together
[单项选择]Which statement about stopping a vessel is TRUE?（）
A. A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern
B. A vessel is dead in the water when the back wash from astern operation reaches the bow
C. A tunnel bow thruster can be used in an emergency to reduce the stopping distance
D. When a vessel is dead in the water any speed displayed by doppler log reflects the current
[单项选择]Which statement is TRUE concerning radiotelephones on board towing vessels?（）
A. There cannot be a radiotelephone located anywhere except in the wheelhouse
B. The officer in charge of the wheelhouse is considered to have the radiotelephone watch
C. Only distress messages may be transmitted over channel 13
D. Only the Master of the vessel is allowed to speak over the radiotelephone
[单项选择]Which statement concerning GPS is TRUE（）.
A. It cannot be used in all parts of the world
B. There are 12 functioning GPS satellites at present
C. It may be suspended without warning
D. Two position lines are used to give a 2D fix
[单项选择]Which statement concerning current is TRUE（）.
A. Current can be determined by measuring the direction and distance between simultaneous EP and DR positions
B. The drift of the current should be averaged out on a one hour basis
C. After the current is determined，it should not be used for further plotting because it is an unknown variable
D. The distance between a simultaneous DR position and fix is equal to the drift of the current
[单项选择]Which statement is true?（）
A. An IPv6 address is 64 b long and is represented as hexadecimal characters.
B. An IPv6 address is 32 b long and is represented as decimal digits.
C. An IPv6 address is 128 b long and is represented as decimal digits.
D. An IPv6 address is 128 b long and is represented as hexadecimal characters.
[单项选择]Which statement is TRUE concerning lifeboat gripes?（）
A. They must be released by freeing a safety shackle
B. They should not be released until the boat is in lowering position
C. They may be adjusted by a turnbuckle
D. They are normally used only with radial davits
[单项选择]Which statement is TRUE（）.
A. Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstance
B. Urgent communications do not need to be entered in the GMDSS radio log
C. Both of the above
D. None of the above
