更多"The air cylinder bottles in the sur"的相关试题:
[单项选择]During the inspection, the starting air valves should be closed （） the engine from turning.
A. to increase
B. to speed up
C. to prevent
D. to reduce
[单项选择]Immediately after abandoning a vessel，lookouts should be posted aboard liferafts to look for（）.
A. survivors in the water
B. food and water
C. land
D. bad weather
[单项选择]According to the relevant regulation, lifeboat should be powered by（）.
A. inboard diesel engine
B. outboard diesel engine
C. outboard gasoline engine
D. inboard gasoline engine
[单项选择]When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.
A. attempt to isolate the fire from the LPG
B. cool the bottles or remove them from the fire area
C. see that the valves on all LPG bottles are closed
D. place insulating material over the bottles
[单项选择]When launching a lifeboat，the tricing pennants should be released（）.
A. before the boat is lowered from the stowed position
B. as the boat-fall blocks break clear of the davit head
C. before the boat is lowered from the embarkation level
D. after the boat is released into the water
[单项选择]After stopping oily water separator, sea water should be permitted for （） minutes,（）should be closed after stopping pump to reduce oxidation corrosion of inner wall.
A. 15；inlet value
B. 15；inlet and outlet value
C. 30；inlet value
D. 30；inlet and outlet value
[判断题]In the study of linguistics, hypotheses formed should be based on language facts and checked against the observed facts.
[单项选择]What is the action that a GMDSS Radio Operator should take when a DSC distress alert is received? （）
A. No action is necessary，as the DSC control unit will automatically switch to the NBDP follow-on communications frequency
B. The operator should immediately set continuous watch on the radiotelephone frequency that is associated with the frequency band on which the distress alert was received
C. The Operator should immediately set continuous watch on VHF channel 70
D. The Operator should immediately set continuous watch on the NBDP frequency that is associated with the frequency band on which the distress alert was received
[单项选择]Full details of all lights and fog signals are shown on（）.
A. large scale chart
B. small scale chart
C. ocean chart
D. routing chart
[单项选择]When moored with a Mediterranean moor，the ship should be secured to the pier by having（）.
A. a stern line and two quarter lines crossing under the stern
B. a stern line，2 bow lines，and 2 quarter lines leading aft to the pier
C. all regular lines leading to the pier in opposition to the anchor
D. two bow lines and two midship lines leading aft to the pier
[单项选择]When turning the engine with turning gear, you should keep the indicator cocks （）.
A. attached to the indicators
B. opened
C. closed
D. broken
[单项选择]Air receivers installed in starting air systems are to be （）.
A. cylindrical in shape with service connections located at the top and bottom
B. opened and made available for inspection during biannual inspections provided
C. with automatic drain traps for the removal of moisture
D. so installed as to make the drain connections effective under extreme conditions of trim
[单项选择]When using the ARPA in heavy rain，which action should you take? （）
A. Increase the radar gain to pick up weak echoes through the rain
B. Increase the STC setting to reduce close-in spurious signals
C. Navigate as though the effective range of the radar has been reduced
D. Increase the range of the inner and outer guard rings
[单项选择]The survival craft is manufactured with fire retardant（）.
A. foam
B. marine plywood
C. steel
D. fiberglass
[单项选择]A power-driven vessel，when towing astern，shall show（）.
A. two towing lights in a vertical line
B. a towing light in a vertical line above the sternlight
C. two towing lights in addition to the sternlight
D. a small white light in lieu of the sternlight
[单项选择]Air entering an air-cooled refrigeration system is indicated by （）.
A. frosting of the liquid line
B. higher than normal head pressure
C. a clear sight glass
D. abnormally cold reefer boxes
[单项选择]Compressed air is supplied by air compression to （）.
A. the air receivers
B. the starting valves
C. the cylinder covers
D. the distributors
[单项选择]Air line lubricators are used in compressed air systems to lubricate （）.
A. the suction and discharge valves
B. tools and equipment served by compressed air
C. air line reducing valves
D. all of the above
