更多"Which change in the condition of th"的相关试题:
[单项选择]The quantity or condition which is measured and controlled is known as the （）
A. controlled variable
B. manipulated variable
C. set point
D. control point
[单项选择]Which condition represents the appropriate time for setting off distress flares and rockets? （）
A. Only when there is a chance of their being seen by rescue vessels
B. At half hour intervals
C. At one hour intervals
D. Immediately upon abandoning the vessel
[单项选择]Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.
A. A backing wind
B. A veering wind
C. Sustained gale force winds
D. A strong wind that maintains a constant speed and direction
[单项选择]In which situation could a vessel most easily capsize?（）
A. Running into head seas
B. Running in the trough
C. Running with following seas
D. Anchored with your bow into the seas
[单项选择]Which condition indicates the air side fouling of an after-cooler on a turbocharged diesel engine?（）
A. An increased air temperature differential between the cooler inlet and outlet
B. A decrease in the air pressure differential across the cooler
C. Excessive condensate forming in the air box
D. A decrease in the air temperature differential between the cooler inlet and outlet
[单项选择]Which condition indicates that your radar needs maintenance?（）
A. Serrated range rings
B. Indirect echoes
C. Multiple echoes
D. Blind sector
[单项选择]Which characteristic or condition will have the greatest effect on increasing a hydraulic oils viscosity?（）
A. Pour point
B. Cloud point
C. Vacuum
D. Pressure
[单项选择]In which source could you find the number of a chart for a certain geographic area?（）
A. Chart No.1
B. Catalog of Charts
C. IMO Practical Navigator
D. IMO Light List
[单项选择]Which condition is necessary for a substance to burn?（）
A. The temperature of the substance must be equal to or above its fire point
B. The air must contain oxygen in sufficient quantity
C. The mixture of vapors with air must be within the explosive range
D. All of the above
[单项选择]During which condition should the operator of a pedestal crane shutdown operations?（）
A. Bunkering
B. High winds
C. Potable water spill on deck
[单项选择]Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.
A. A backing wind
B. A veering wind
C. A norther
D. A strong，gusty wind
[单项选择]Which of the following condition is likely to develop if the thermocouple element of a pyrometer becomes coated with excessive amounts of combustion by-products?（）
A. Indicated exhaust pressure readings will increase
B. Pyrometer responses will be retarded
C. Indicated cylinder temperature readings will increase
D. Indicated firing pressure readings will increase
[单项选择]Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?（）
A. Leaking seal ring
B. Insufficient heat transfer from the exhaust valves
C. Block cooling water passages to the head
D. Excessive scavenging air provided to the engine
[单项选择]Which of the following conditions could cause the feed pump for an auxiliary boiler to lose suction?（）
A. Increased suction head pressure
B. Decreased feedwater temperature
C. Pump recirculating line being open too much
D. Excessive feedwater temperature
[单项选择]Which of the following conditions could be a cause of excessive fuel dilution of diesel engine lube oil?（）
A. Leaking fuel injectors
B. Lower than normal compression
C. Delayed fuel injection
D. All of the above are correct
