更多"Care must be taken to condition the"的相关试题:
[单项选择]To avoid impingement attack, care must be taken with the water （） through the tubes of the heat exchangers.
A. temperature
B. velocity
C. density
D. viscosity
[单项选择]For the intermediate condition, thermostats must be correctly set （）.
A. by trial and error
B. by and large
C. automatically
D. very easily
[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]What 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 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]Every precaution must be taken to avoid （）.
A. sparking being taking place
B. to spark taking place
C. sparking to be taken place
D. sparking taking place
[单项选择]Precautionary measures must be taken to（）safety of the stevedores，cargo and the ship.
A. insure
B. ensure
C. assure
D. assume
[单项选择]A distorted furnace in a fire-tube auxiliary boiler may be the result of （）
A. firing for extended periods in the low fire mode
B. overheating, due to waterside deposits
C. varying the water level above the crown sheet
D. carrying excessive alkalinity in the boiler water
[单项选择]You must take good care of the drainage cock of the air control systemBecause （） leads scale formed which might malfunction the pilot control valve and other instruments.
A. the temperature
B. the rust
C. the pressure
D. the humidity
[单项选择]（）, remedies must be taken to stop it as early as possible.
A. Any surge occurs
B. Any surge occurred
C. Should any surge occur
D. Should any surge occurring
[单项选择]The worst atmospheric condition for dispersion of H2S is（）.
A. heavy rain
B. gusty winds with rain
C. nearly calm，clear nights or early morning
D. full sun with high winds
[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]The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.
A. SOS，ZZZ，XXX
B. SOS，UUU，SSS
C. SOS，XXX，TTT
D. SOS，TTT，UUU
[单项选择]That the Shipowner has broken a condition precedent will（）the Charterer from the liability to provide a cargo.
A. discharge
B. pertain
C. retain
D. remain
[单项选择]A condition contributing to diesel engine piston rings sticking in the ring grooves, is insufficient ring clearance at the ring（）
A. gap
B. side
C. back
D. radial
[单项选择]A condition that can increase the foaming tendency of lube oil is （）
A. excessively high oil temperatures
B. water or moisture contamination
C. fuel dilution
D. life its cylinder relief vales
