更多"What is the best instrument for est"的相关试题:
[单项选择]What best describes the structure from which Stratford Point Light is shown?（）
A. Brown conical tower with white horizontal band in center of light on black pier
B. Red conical tower on brown cylindrical pier
C. White octagonal house on brown cylindrical pier
D. White conical tower，with brown band midway of height
[单项选择]What best describes an anchor buoy（）.
A. A black ball that is hoisted when the ship anchors
B. A buoy attached to the anchor
C. A buoy attached to the scope of an anchor chain
D. A mark of the number of fathoms in an anchor chain
[单项选择]What is best suited for fighting a fire in a ballast control room?（）
A. Automatic sprinkler system
B. Steam smothering system
C. Dry chemical system
D. Carbon dioxide system
[单项选择]What monitoring device best indicates the load being carried by a diesel engine?（）
A. Lube oil pressure gauge
B. Jacket water temperature gauge
C. Tachometer
D. Exhaust pyrometer
[单项选择]What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions（）.
A. One shot of chain for every ten feet of water
B. One shot of chain for every fifteen feet of water
C. One shot of chain for every thirty feet of water
D. One shot of chain for every ninety feet of water
[单项选择]What is the BEST conductor of electricity（）.
A. Carbon dioxide
B. Distilled water
C. Fresh water
D. Salt water
[单项选择]What is the best way of stopping an over-speeding diesel engine?（）
A. Disconnect the battery cables from the starting motor
B. Drain the hydraulic fluid from the governor sump
C. Block the flow of cooling air to the radiator
D. Secure the fuel supply and block the air intake
[单项选择]What is the best indication of the loading of a diesel engine?（）
A. Oil temperature
B. Manifold pressure
C. Exhaust gas temperature
D. Fuel consumption
[单项选择]–What kind of TV program do you like best? --（）
A. It’s hard to say, actually
B. I only watch them at weekend
C. I’m too busy to say
[单项选择]According to the functional requirements for a Safety Management System, every company should develop, （） and （） a SMS.
A. implement；verify
B. maintain；improve
C. implement；maintain
D. review；access
[多项选择]What two descriptions best define DWDM？ （）
A. a WDM system that is compatible with EDFA technology
B. an optical technology for transmitting up to 16 channels over multiple fiber strands
C. an optical technology for transmitting up to 32 channels over multiple fiber strands
D. a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDM
E. a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM
[单项选择]Deficiencies in the categories of Life-saving, Safety in General, Fire-fighting Appliances and Load Line （） approximately 66% of all deficiencies.
A. account as
B. account for
C. account to
D. account of
[单项选择]污水处理装置SAF使用的絮凝剂是（）。
A. 聚合硫酸铁
B. 聚合氯化铝
C. 聚丙烯酰胺
D. 聚合铝
[单项选择]Vessels，（）support vessels，should not enter the safety zone of a deepwater port unless clearance has been obtained from the Vessel Traffic Supervisor.
A. besides
B. excepted
C. otherwise
D. other than
