更多"When under maneouvring conditions w"的相关试题:
[单项选择]What are the conditions，under GMDSS，whereby a ship is NOT allowed to depart from any port? （）
A. The vessel is not capable of performing all required distress and safety functions
B. The vessel is carrying more than the required number of qualified GMDSS radio operators
C. The vessel has a temporary waiver of its radio license and Safety Certificate
D. The vessel is not carrying a GMDSS radio maintainer，but has provided for shoreside maintenance plus duplication of equipment if required
[单项选择]Under identical load conditions，nylon，when compared with natural fiber line，will stretch（）.
A. less and have less strength
B. more and have less strength
C. more and have greater strength
D. less and have greater strength
[单项选择]Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height?（）.
A. Lashings are always required
B. One container
C. Two containers
D. Three containers
[单项选择]When anchoring a vessel under normal conditions，which scope of chain is recommended? （）
A. Four times the depth of water
B. Two and one-half times the depth of water
C. Five to seven times the depth of water
D. Fifteen times the depth of water
[单项选择]Under normal conditions a liferaft is released from itscradle by（）.
A. cutting the restraining strap
B. unscrewing the turnbuckle on the back of the cradle
C. lifting one end of the raft
D. pushing the plunger on the center of the hydrostatic release
[单项选择]Under tropical conditions, control valves have fully opened, but the room still hot.What measures can be taken in such a case?（）
A. Keep the plant running all time
B. Start another blower
C. Increase the ratio of circulated to fresh air
D. Reduce the seawater flow to the condenser
[单项选择]Under normal conditions, the refrigerant enters the compressor in an operating refrigeration system as a （）.
A. liquid
B. dry saturated gas
C. wet saturated gas
D. superheated vapor
[单项选择]Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the （）.
A. first stage
B. second stage
C. distillate cooler
D. salt water feed heater
[单项选择]Under normal conditions, the quantity of air circulation becomes less and less.What is the reason?（）
A. dirty delivery ducts
B. too much refrigerant
C. the fouling filters
D. high temperature outside
[单项选择]Under normal conditions, the main source of crankcase oil contamination is attributed to （）
A. metal particles loosened by wear
B. air when air cleaners are not used
C. condensation of water vapors
D. breakdown of the lubricating oil by dilution
[单项选择]Under normal operating conditions, the rudder is hydraulically locked unless （）.
A. the manual trick wheel is engaged for steering
B. the variable stroke pump is off stroke
C. a rudder order is given by the control system
D. an electric power system failure occurs at the steering gear
[单项选择]Under which of the listed conditions can the engine room retake the throttle control from the bridge（）.
A. Any time it is deemed necessary
B. Only with the masters permission
C. After a 10 minute delay to the input command
D. Only after the throttle has been placed in stop
[单项选择]When good and steady service conditions have been achieved, the running surfaces of the piston rings and cylinder liner will be（）In addition, the rings will move freely in the grooves and also be well oiled intact, and not unduly worn.
A. hazy light
B. hazy light brown
C. hazy light blue
D. hazy light grey
[单项选择]A fire is considered "under control" when （）.
A. all hands are at their fire stations
B. all fire-fighting equipment is at the scene
C. the fixed systems are activated
D. the fire is contained and no longer spreading
[单项选择]Under the Pollution Regulations，when you dump garbage in to the sea you must（）.
A. notify Coast Guard or MSA
B. make an entry in the Official Logbook
C. keep a record for two years
D. No action is required if you are more than 25 miles fromland and no plastic materials are dumped
[单项选择]In the event of minor emergencies when the machinery spaces unattended （） will be informed of malfunction in the machinery by his cabin monitor.
A. the chief engineer
B. the engineer on cabin watch
C. the bridge officer on watch
D. the master
[单项选择]When the ship is under attack by pirates,or terrorists,（）needs to be activated.
A. AIS
B. SSAS
C. SSP
D. SART
[单项选择]When in command of a lifeboat under oars，the command TOSS OARS means to（）.
A. lift oars to vertical position，trim blades fore and aft with handles resting on the thwarts
B. complete the stroke，come to Oars，raise the oars smartly to the vertical，rest handles on footings and trim blades fore and aft
C. place oars in row locks directly from the boated position or from Stand by oars position
D. complete the stroke (when rowing in ahead motion)，raise the oars with crook of elbow to about 30 degrees，swing blades forward
