更多"Engines for lifeboats are required "的相关试题:
[单项选择]（）diesel engines generally have two systems of lubrication:（）a total loss system feeding and a circulating system lubricating the running gear and cooling the pistons.
A. Large crosshead type；crossheads
B. High speed；the cylinders
C. Large crosshead type；the cylinders
D. Four-stroke；pistons and cylinders
[单项选择]All engines in lifeboats and rescue boats shall be run for a total period of not less than（）in weekly inspections.
A. 2 minutes
B. 3 minutes
C. 4 minutes
D. 5 Minutes
[单项选择]Vee-type engines have the connecting rods from two cylinders connected to each （） of the crankshaft.
A. throw
B. web
C. main bearing
D. deflection
[单项选择]Medium speed engines have a （） power to weight ratio than the slow speed two strokes, but due to the higher speeds tend to have （） maintenance intervals.
A. higher；reduced
B. higher；increased
C. lower；reduced
D. lower；increased
[单项选择]Vessel required to have an Automatic Radar Plotting Aid must have a device to indicate the（）.
A. speed of the vessel over the ground or through the water
B. distance to the next port
C. time of the next navigational satellite pass
D. None of the above
[单项选择]A passenger vessel is required to have a supervised patrol when（）.
A. there are passengers berthed on board
B. navigating in excess of eight hours
C. the vessel has substantial wood in its construction
D. there is no automatic fire-detection system installed
[单项选择]A carburetor is required to have a safety device called a(n)（）.
A. pressure release
B. backfire flame arrestor
C. automatic shut off
D. flow valve
[单项选择]A fishing vessel that is required to have a fireman’s outfit，must have all of the following in the outfit except a（）.
A. flashlight
B. combustible gas indicator
C. self-contained breathing apparatus
D. fire axe
[单项选择]A 30，000 DWT tanker is required to have an IOPP certificate when（）
A. engaged in the coastwise trade
B. going foreign
C. calling at ports in another country signatory to MARPOL 73/78
D. carrying cargoes listed in the MARPOL regulations
[单项选择]On a ship，how many ring buoys are required to have a buoyant line attached?（）
A. One ring life buoy
B. One ring life buoy on each side of the ship
C. Three ring life buoys
D. Two ring life buoys on each side of the ship
[单项选择]Most totally enclosed lifeboats are equipped with which of the following? （）
A. Tanks for the storage of drinking water
B. Ballast tanks to prevent the boat from capsizing
C. A hydraulic start diesel engine
D. Auxiliary mechanical propulsion (Fleming gear)
[单项选择]Most covered lifeboats will right themselves after capsizing if the（）.
A. lower ballast tanks are filled with water
B. sea anchor is deployed to windward
C. fuel tanks are not less than half full
D. passengers are strapped to their seats
[单项选择]Engines, which are to be run in parallel have governors specially adapted for the same（）, about 4% to obtain basic load sharing.
A. speed settings
B. speed droops
C. speed drops
D. speed changes
[单项选择]Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful（）.
A. to keep the boats covered at all times
B. not to leave steel or iron tools lying in or near these boats
C. to keep an electric charge on the hull at all times
D. to rinse these boats regularly with salt water
[单项选择]Most lifeboats are equipped with （）.
A. unbalanced rudders
B. balanced rudders
C. contraguide rudders
D. straight rudders
[单项选择]On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.
A. keep the movement of the davits at the same speed
B. keep the davits from slipping when they are in the stowed position
C. prevent vibration during lowering of the boat
D. support the manropes
[单项选择]Your vessel has lifeboats on both sides. Lifeboat No. 2 is located（）.
A. forward of lifeboat No. 4 on the starboard side
B. forward of lifeboat No. 4 on the port side
C. aft of lifeboat No. 1 on the starboard side
D. All of the above
