更多"The （）should be kept running for ab"的相关试题:
[单项选择]About half an hour before the engine is required, cooling water at （） must be circulated.
A. more than the working temperature
B. less than the working temperature
C. the working temperature
D. the same as the surrounding temperature
[单项选择]–How long does the bus?-（）About half an hour.
A. spend
B. take
C. use
[单项选择]Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.
A. bow mooring／stern line
B. forward spring／after spring
C. forward breast rope／forward spring
D. slip rope／stern line
[单项选择]Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
A. pilot charts
B. Notices to Mariners
C. Tide Tables
D. Current Tables
[单项选择]Fuel injection equipment must be kept in good condition, timed correctly, and the （）in each cylinder must also be carefully balanced so that individual cylinders are not overloaded.
A. MIP
B. MCR
C. MEP
D. BHP
[单项选择]Water level controllers of the boiler must be kept operable to protect external steam-using plant from water “（）” danger.
A. carry off
B. carry down
C. carry on
D. carry over
[单项选择]The crankcase of many diesel engines are kept under a slight vacuum by the （）.
A. scavenging action of the piston
B. piston type vacuum pump taking suction off a differential manometer
C. gland exhausting manometer
D. crankcase exhaust fan
[单项选择]After launching，an inflatable raft should be kept dry inside by（）.
A. Opening the automatic drain plugs
B. Draining the water pockets
C. Using the electric bilge pump
D. Using the bailers and cellulose sponge
[单项选择]The crankcases of many diesel engines are kept under a slight vacuum to （）
A. improve fuel economy
B. increase the air charge velocity
C. reduce the risk of explosion
D. all of the above
[单项选择]（）, we kept removing the pistons.
A. Late as it was
B. As it was late
C. Since it was late
D. Because of its late
[单项选择]Admiralty Sailing Directions are Kept up to date by （）.
A. corrections
B. publications
C. supplements
D. alterations
[单项选择]Line losses in a distribution circuit are kept to a minimum by （）.
A. adding rubber insulation conductors to the circuit
B. using higher current and lower voltage increasing the
C. number of thermal relays in the circuit
D. using higher voltage and lower current
[单项选择]The anchor chain should be kept moderately taut during a Mediterranean moor to（）.
A. facilitate speed of recovery during the weighing process
B. indicate the anchor's location to passing or mooring ships
C. prevent damage to the stern in the event of a headwind
D. provide a steady platform for the gangway between the fantail and pier
[单项选择]All charts and publications should be kept up to date with the（）amendments
A. latest
B. update
C. last
D. up-to-date
[单项选择]Where should the GMDSS radio log be kept on board ship（）.
A. In the Captain's office
B. In the sea cabin
C. At the GMDSS operating position
D. Anywhere on board the vessel
[单项选择]The date and time kept in the radiotelephone log shall commence at（）.
A. midnight
B. noon
C. beginning of the watch
D. any convenient time
[单项选择]In general, domestic flesh water tank kept under pressure by an external supply of （）.
A. forced circulating pump
B. compressed air
C. gravity tank
D. bead tank
