A proper look-out must be kept（）.

相似题目

• During loading and discharging operations，in addition to when the cargo tanks have been properly filled，each inert gas system must be capable of maintaining a minimum gas pressure of（）.

  A . 150 millimeters of water pressure B . 125 millimeters of water pressure C . 100 millimeters of water pressure D . 75 millimeters of water pressure

  查看最佳答案

• A lifeline must be connected to the liferaft （）.

  A . at the bow B . at the stern C . in the middle D . all around

  查看最佳答案

• While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be（）.

  A . the helmsman B . the mate on watch C . Either A or B D . Neither A nor B

  查看最佳答案

• A proper look-out shall be maintained（）.

  A . only at night B . only during restricted visibility C . at night and during restricted visibility D . at all time

  查看最佳答案

• In order for a vessel to be engaged in fishing she must be（）.

  A . underway B . using gear which extends more than 50 meters outboard C . using a seine of some type D . using gear which restricts her maneuverability

  查看最佳答案

• The term “proper metering”, as applied to a diesel fuel injection system, can be best defined as （）.

  A . delivering the same quantity of fuel to each cylinder for each power stroke according to engine load B . maintaining the metering adjustment for a reasonable period under all load conditions C . timing fuel injection to obtain maximum power and good fuel economy D . distributing the fuel to all parts of the combustion chamber for proper combustio

  查看最佳答案

• To function properly, oil control rings used on a diesel engine piston must distribute sufficient oil to all parts of the cylinder wall and must also（）.

  A . prevent any lubricant from reaching B . prevent excessive lubrication from reaching the combustion space C . Provide metal-to-metal contact to seal the cylinder against blow-by D . assure a positive means of scraping carbon accumulation from the cylinder

  查看最佳答案

• In determining that the（）of the navigational watch is adequate to ensure that a proper look-out can continuously be maintained，the master shall take into account all relevant factors.

  A . disposition B . composition C . reposition D . positio

  查看最佳答案

• When must a dry chemical fire extinguisher be recharged?（）

  A . After each use B . When the air temperature exceeds 90°F C . Every 6 months D . Every 12 month

  查看最佳答案

• Underway vessels shall at all time maintain a proper look-out（）.

  A . by sight and hearing only B . by all available means besides sight and hearing C . by all available means except sight and hearing D . by none of above mea

  查看最佳答案

• A jack-up drilling rig being towed must（）.

  A . turn off all lights that interfere with the navigation lights B . turn on all available working lights on deck C . ring the bell rapidly for five seconds once a minute D . display two black diamonds in a vertical line during the day

  查看最佳答案

• Winch gears must be maintained in proper alignment to prevent （）.

  A . overheating of the lube oil B . over-speeding of the motor C . wear on the braking system D . damage to the teeth

  查看最佳答案

• If a diesel engine driving a generator turns over freely but fails to fire properly, the cause could be （）

  A . excessive compression pressure B . air in the fuel lines C . high fuel pressure D . excessive load

  查看最佳答案

• Every vessel shall（）maintain a proper look-out by sight and hearing as well as by all available means appropriate in prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision.

  A . in fog B . at night C . in narrow fairway D . at all time

  查看最佳答案

• Proper combustion in a boiler would be indicated by （）.

  A . yellowish flame B . golden yellow flame C . white flame D . brilliant white flame

  查看最佳答案

• Which of the following must be running on a node for the clstat utility to work properly？（）

  A .  clinfo B .  clhosts C .  clsmuxpd D .  cltopinfo

  查看最佳答案

• Apart from special circumstances，the value of the goods for which compensation must be made，if they have been lost or damaged，（）that which they would have had at the time and place at which they ought to have been delivered in proper condition.

  A . contains B . remains C . has D . i

  查看最佳答案

• An immersion suit must be equipped with a(n)（）.

  A . air bottle for breathing B . orange smoke canister C . whistle，light and retroreflective material D . sea dye marker

  查看最佳答案

• What three tasks must a network administrator perform to properly configure Hot Standby Routing  Protocol （HSRP）？（）

  A .  Define the encapsulation type. B .  Define the standby router. C .  Define the standby IP address. D .  Enable the standby priority.

  查看最佳答案

• Which two passwords must be supplied in order to connect by Telnet to a properly secured Cisco switch and make changes to the device configuration? (Choose two.)（）

  A . console password B . vty password C . aux password D . tty password E . enable secret password F . username password

  查看最佳答案

• The litter on a ship must be able to（）.

  A . carry at least two injured persons B . float for at least two hours C . be used on the types of helicopters serving the unit D . All of the above

  查看最佳答案

• That must be a mistake. No, it____ a mistake.

  查看最佳答案

• Being an airline pilot can be a _________ job, but it must be a fun one.

  查看最佳答案

• A jaundiced newborn baby must be sent to hospital, whose TSB may be

  查看最佳答案