更多"What determines the number of event"的相关试题:
[单项选择]Logbooks are used to record the events occurring when().
A. the ship is in a harbor
B. the ship is at anchorage
C. the ship is underway
D. all of the above
[单项选择]The number of cycles per second occurring in AC voltage is known as the ()
A. phase angle
B. frequency
C. wave form
D. half mode
[单项选择]What determines if a vessel is restricted in her ability to maneuver?().
A. Whether or not all of the vessel's control equipment is in working order
B. The vessel's draft in relation to the available depth of water
C. Whether the nature of the vessel's work limits maneuverability required by the Rules
D. Whether or not the vessel is the give-way vessel in a meeting situation
[单项选择]What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? ()
A. the Matitime Code of China
B. Certificate of Inspection
C. Oil Transfer Procedures Manual
D. IOPP Certificate
[单项选择]What is the minimum number of deck officers,able seaman or certificated persons required for a lifeboat on a vessel in ocean service?()
A. Two
B. Three
C. Four
D. Five
[单项选择]The temperature differential occurring between the inlet temperature of the fluid to be cooled and the outlet temperature of the cooling medium in a shell-and-tube heat exchanger is greatest in which of the flow designs listed?()
A. Cross
B. Parallel
C. Counter
D. Circular
[单项选择]Critical speeds occurring within the operating speed range of a main propulsion diesel engine may be changed, or have their damaging effects reduced by a/an ()
A. engine support vibration isolator
B. detuner or viscous fluid damper
C. lightened crankshaft flywheel
D. spherically seated crankshaft bearing
[单项选择]The sudden reduction of pressure occurring within the crankcase of a refrigeration compressor during starting causes the ().
A. sudden evaporation of wax crystals in the lubricant
B. sudden evaporation of entrapped air in the lubricant
C. release of refrigerant from the oil/refrigerant mixture
D. release of dissolved lubricant from the refrigerant
[单项选择]The area of strong westerly winds occurring between 40°S and 60°S latitude is called the().
A. polar easterlies
B. prevailing westerlies
C. roaring forties
D. jet streams
[单项选择]Restrictions occurring in the small orifices of pneumatic control system components can be used by ()
A. moisture in the compressed air supply
B. excessive dryness in the compressed air supply
C. pressure surging in the compressed air receiver
D. insufficient lubrication of the system components
[单项选择]To prevent accidents from occurring, special valve chests are used in such cases in which interchangeable blanks and connecting passages are incorporatedThe bold and italic word “which” means ().
A. accidents
B. special valve chests
C. interchangeable blanks
D. connecting passages
[单项选择]Excessively low air pressure occurring in the intercooler of a reciprocating air compressor is caused by().
A. leaky discharge valves on the LP cylinder
B. leaky discharge valves on the HP cylinder
C. insufficient intercooler cooling
D. low ambient air pressure
[单项选择]To avoid scavenge fires occurring the engine timing and equipment maintenance ().
A. should be correctly carried out
B. should correctly be taken place
C. should carried with care
D. must to carry out with great care
[单项选择]Combustion knock occurring in a diesel engine can be caused by ()
A. low coolant temperature
B. insufficient fuel
C. high ambient temperature
D. carbon buildup on the injector tips
[单项选择]The major cause of problems occurring with fuel injection equipment is()
A. incorrect replacement of barrels and plungers of jerk pumps
B. overheating of the nozzle orifices
C. cracked pump housings
D. dirt in the fuel
[单项选择]Fires occurring in combustible metals, such as sodium or magnesium, are classified as a ().
A. class A
B. class B
C. class C
D. class D