更多"Economics, several courses of which"的相关试题:
[单项选择]The type of current which will have the greatest effect on the course made good for your vessel is（）.
A. one flowing in the same direction as your course steered
B. one flowing in the opposite direction as your course steered
C. one that flows at nearly right angles to your course steered
D. a rotary current in which the direction of current flow constantly changes
[单项选择]After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?（）
A. Open equipment pack
B. Issue anti-seasickness medicine
C. Cut painter and clear the ship
D. Dry the liferaft floor and inflate
[单项选择]Which precaution should be taken when testing a line throwing gun?（）
A. Never remove the line from the rocket
B. Fire it at an angle of approximately 90 degrees to the horizon
C. Wear asbestos gloves
D. All of the above
[单项选择]Which action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
A. The tank must be gas freed
B. The tank must be ballasted
C. The tank must be vented to the atmosphere
D. The bypass valve must also be closed
[单项选择]Which action should be taken when an auxiliary boiler in is operation?（）
A. Clean all electrical connections
B. Lift the relief valves by hand
C. Inspect and clean all solenoid valves
D. Inspect for oil and water leaks
[单项选择]Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）
A. Ration food and water supplies
B. Take anti-seasickness pills，if available
C. Determine position and closest point of land
D. Check pyrotechnic supplies
[单项选择]Which action should be taken on receipt of a GMDSS distress alert（）.
A. Read the display screen and/or printout
B. Silence the alarm
C. Listen for any follow up voice/telex transmission on the appropriate frequency
D. All of the above
[单项选择]The rules require which factor to be taken into account when determining safe speed（）.
A. The construction of the vessel
B. The experience of the vessel's crew
C. The location of vessels detected by radar
D. All of the above
[单项选择]Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）
A. Add ballast in the afterpeak
B. Add ballast forward
C. Alter course
D. Reduce speed
[单项选择]Which step is NOT generally taken when gas-freeing a tank?（）.
A. Washing the tank interior with sea water
B. Application of degreasing solvents
C. Removal of corrosion products and sludge
D. Fresh air ventilation
[单项选择]Which of the following actions should be taken if during a routine maintenance inspection of a centrifugal pump, localized scoring on a pump shaft sleeve is detected?（）
A. Correct the cause of the scoring and repair the sleeve or replace with a new one
B. Reassemble the unit and provide more water leak off for proper lubrication
C. Check for parallel alignment of the sleeve radial faces to the sleeve bores
D. Reassemble the unit and adjust the governor to obtain a slower speed
[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 problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger?（）
A. Reduce engine speed to idle before removing the filter
B. Soak the dirty filter in kerosene only
C. Blow out the air inlet with compressed air
D. Cover the air inlet after removing the filter
[单项选择]Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?（）
A. The fire pump should be started
B. The boiler rims should be secured
C. The fixed CO2 system should be initiated into action
D. The engine room ventilation should be secured
[单项选择]Which of the listed precautions should be taken when cleaning the internals of a motor with compressed air?（）
A. Open the machine on both ends so as to allow the air and dust to escape
B. Be certain that the circuit breaker is opened and tagged on the feeder panel
C. Be certain that the air is clean and as dry as possible
D. All of the above
[单项选择]Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）
A. Commence draining that tank as quickly as possible
B. Seal off all vents to that tank
C. Activate the CO2 system to that tank
D. Shut off the steam heating coils
[单项选择]Persons who have taken part in salvage operations，notwithstanding the express and reasonable prohibition on the part of（），have no right to any remuneration.
A. the vessel from which the services were rendered
B. the vessel to which the services were rendered
C. the persons whose lives were saved
D. the salvors of the vessel，her cargo and accessories
[多项选择]Which three challenges have been created by the move toward Virtualization in the data center? （）
A. overstaffing
B. management integration
C. coherent policies and security
D. scalability
E. consolidation
F. asset tracking
