更多"Prior to getting underway in fresh "的相关试题:
[单项选择]When the density of water is 1000,i.e.in fresh water and in summer zone a ship may load to the upper edge of the line marked（）.
A. S
B. T
C. W
D. F
[单项选择]One precaution to take prior to working in a freshly painted compartment where there are an excessive amount of paint fumes, is to （）.
A. take shallow breaths of air
B. ventilate the area
C. wear a breathing apparatus while working
D. keep a charged fire hose handy
[单项选择]Prior to getting underway，the Master or person in charge of a vessel must（）.
A. conduct a fire drill
B. conduct a boat drill
C. log the fore and aft draft marks
D. test the emergency generator
[单项选择]The fresh water generator produces fresh water （）.
A. by cooling sea water
B. by heating sea water
C. by evaporation of sea water
D. by purifying sea water
[单项选择]When a clarifier is running the impurities and water collect at the bowl （）.
A. center
B. periphery
C. inlet
D. upper parts
[单项选择]Progressive flooding is controlled by securing watertight boundaries and（）.
A. transferring water ballast
B. jettisoning cargo
C. pumping out flooded compartments
D. abandoning ship
[单项选择]Which is the summer load waterline on the load waterline mark?（）.
A. The first line at the bottom
B. The second line from the bottom
C. The third line from the bottom
D. The fourth line from the bottom
[单项选择]If the coolant temperature of a closed cooling water system for a diesel engine gradually increases, the trouble usually is （）
A. a broken shaft on the freshwater pump
B. an excessive accumulation of scale exchanger
C. an incorrect thermostatic element operating range
D. lube oil in the cooling water
[单项选择]Prior to magnetic particle inspection of anchor chain，the chain should be（）.
A. degaussed
B. demagnetized
C. soaked
D. sandblasted
[单项选择]Which is the winter load waterline on the load waterline mark?（）.
A. The line over the summer load waterline
B. The line above the tropical load waterline
C. The line below the tropical load waterline
D. The line between the summer and the winter north Atlantic load waterline
[单项选择]Which statement concerning the collection of fresh water is FALSE?（）
A. Fresh water may be obtained from fish
B. lifeboat covers or canopies should be washed with rain before drinking water is collected
C. Fresh water may be collected from condensation inside the life-raft
D. Freshwater cannot be produced from standing seawater
[单项选择]You may find the time of slack water after low water in a certain port from（）.
A. Deadweight Scale
B. Tide Tables
C. Notices to Mariners
D. Table of Azimuth
[单项选择]Wat is NOT required in the radiotelephone log?（）
A. Distress and alarm signals transmitted or intercepted
B. Times of beginning and end of watch period
C. Routine navigational traffic
D. Daily statement about the condition of the required radiotelephone equipment
[单项选择]The officer in charge of the engineering （）the watch to the reliving officer if there is reason to believe that the latter is obviously not capable of carrying out the watch-keeping duties effectively.
A. shall take over
B. shall not take over
C. shall hand over
D. shall not hand over
[单项选择]A liferaft which has inflated bottom-up on the water（）.
A. should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards
B. should be righted by standing on the life line，holding the righting straps leaning backwards
C. will right itself when the canopy tube inflates
D. must be cleared of the buoyant equipment before it will right itself
[单项选择]The time of discharging oil is short, but oily water separator discharges oil frequentlyThe possible reason is （）
A. the sensor of low oil level is fully covered by sludge
B. the coarse strainer before the pump in suction system is clogged
C. the screw pump is worn seriously and volumetric efficiency is decreased
D. bilge suction value is clogged
[单项选择]Prior to starting most medium-speed propulsion diesel engines, which of the procedures listed should be observed?（）
A. The expansion tank should be topped off
B. The thermostatic water regulating valves should be manually opened
C. The fuel filters should be changed
D. The engine should be turned over slowly with the indicator cocks open
