更多"Which of the following operations m"的相关试题:
[单项选择]Which of the following precautions must be taken if an electric immersion heater is used to keep the coolant in a diesel engine warm during the time the engine is secured?（）
A. The coolant temperature must be maintained at 180℃
B. The thermostatic bypass valves must be manually opened before the engine is started
C. The pressure cap must be removed while the engine is secured
D. Electrical power to the heater must be secured before the cooling system is drained
[单项选择]Which of the following conditions must exist for heat to flow from one object to another?（）
A. The two objects must be in physical contact
B. The two objects must be the same size
C. There must be an existing temperature differential
D. There must be an existing weight differential
[单项选择]Which of the following machinery space operations is required to be logged in the Oil Record Book?（）
A. Ballasting or cleaning of fuel oil tanks
B. Shifting suction of main fuel pump to reserve fuel oil tank
C. Changing out sprayer plates to adjust for steam demand
D. Daily inspection of engine room bilges
[单项选择]Which of the following operations aboard a tanker must be recorded in the Oil Record Book（）.
A. Any internal transfer of oil cargo during a voyage
B. The discharge overboard in port or at sea of any bilge water accumulated in machinery spaces
C. The loading or unloading of any or all oil cargo
D. All of the above
[单项选择]Which of the following must be eliminated to prevent accidents?（）
A. Unsafe actions
B. Orderliness
C. Frequent inspections
D. Good work habit
[单项选择]
Which of the following operations need to be entered on the Oil Record Book Part I?（）
(1) Cleaning of fuel oil tanks
(2) Internal transfer of fuel oil
A. （1）only
B. （2）only
C. both（1）and（2）
D. neither（1）nor（2）
[单项选择]
Which of the following operations need NOT to be entered on the Oil Record Book Part I?（）
(1) Disposal of oil residues
(2) Internal transfer of fuel oil
A. （1）only
B. （2）only
C. both（1）and（2）
D. neither（1）nor（2）
[单项选择]Records which must be retained on board after report of casualty to a vessel include the（）.
A. tour reports
B. hull reports
C. machinery repair record book
D. deck equipment log
[单项选择]As to the bearing, of the following, which statement is not true?（）
A. ff overheat is found, the engine must be stopped for inspection
B. Much heat of the crankcase door indicates that the bearing is overheated
C. If bearing clearance is too large, knocking will be heard in the crankcase
D. If bearing clearance is too large or too small, the white metal may be melted
[单项选择]As to the piston cooling, of the following, which statement is not true?（）
A. Because the piston is exposed to very high temperature, it must be cooled
B. The lower the piston cooling temperature is, the better it is
C. Both water and lube oil can be used as coolant
D. One of the piston cooling methods is vibration cooling, with better effect
[单项选择]In a narrow channel, a signal of intent which must be answered by the other vessel, is sounded by a vessel（）.
A. meeting another head-on
B. crossing the course of another
C. overtaking another
D. Any of the above
[单项选择]During fueling operations, which of the listed precautions should be taken when topping off fuel tanks?（）
A. Reduce the pumping rate by closing the deck filling valve
B. Close all overflow valves
C. Place 5 gallon containers under all flange connections in the fuel line
D. Reduce the pumping rate and sound tanks frequently as the level rises
[多项选择]The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）
A. The default administrative distance is used.
B. The command is used to establish a static route.
C. The command is used to configure the router interfaces.
D. The command is used to establish a stub network.
E. The subnet mask for the source address is 255.255.255.0
[单项选择]Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）
A. Vessel's type
B. Vessel's course
C. Navigational status
D. All of the above
[单项选择]MV Utopia may conduct the following operations to stop listing except to（）.
A. jettison cargo
B. immobilize the engine
C. transfer cargo
D. transfer bunkers
[单项选择]Hoses used for cargo transfer operations must be tested abdinspected at specified intervals by （）.
A. a representative of the Captain of the Port
B. the operator of the vessel or facility
C. a representative of the National Cargo Bureau
D. a representative of the American Bureau of Shipping
