更多"A tank which carries liquid is dang"的相关试题:
[单项选择]Movement of liquid in a tank when a vessel inclines causes an increase in（）.
A. righting arm
B. metacentric height
C. height of the uncorrected KG
D. natural rolling period
[单项选择]When checking the liquid level in a tank, you should position yourself （）.
A. on the windward side of the opening
B. on the leeward side of the opening
C. at a right angle to the wind direction
D. so that the obstruction of your body will protect you from the fumes
[单项选择]Frames to which the tank top and bottom shell are fastened are called（）.
A. floors
B. intercostals
C. stringers
D. tank top supports
[单项选择]When liquid is free to move transversely in a tank，the effect is called（）.
A. free communication
B. free density
C. free surface
D. negative GM
[单项选择]The process during which liquid containing a reasonable amount of sensible heat at a particular pressure immediately changes into steam after admitted to a chamber at a lower pressure is called （）.
A. boiling off
B. flash evaporation
C. condensation
D. none of the above
[单项选择]The lowest temperature at which a liquid gives off enough vapor to ignite in the presence of an ignition source is called its （）.
A. boiling point
B. flash point
C. viscosity point
D. toxic point
[单项选择]Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means （）.
A. a liquid
B. a pressure
C. a temperature
D. none of the above
[单项选择]The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
A. controls the amount of gasoline to the engine
B. shuts off the gasoline supply at the tank
C. is used if the gasoline tank leaks
D. All of the above
[单项选择]To determine which grades of cargo a tank vessel is permitted to carry you should（）.
A. refer to the vessel's Certificate of Inspection
B. examine the cargo tanks and fittings
C. ask the terminal supervisor or his representative
D. check the loading order
[单项选择]A tank which is not completely full or empty is called（）.
A. pressed
B. slack
C. inertial
D. elemental
[单项选择]A tank which is NOT completely full or empty is called（）.
A. pressed
B. slack
C. inertial
D. elemental
[单项选择]A tank which has been sealed for a long period of time can be dangerous because （）.
A. steel surfaces consume oxygen by rusting
B. sealed tanks usually form a vacuum
C. moisture condenses in the tank, displacing the oxygen
D. most tank coatings give off poisonous vapors in the presence of moisture
[单项选择]On a tank vessel, which of the following substances would be burning in a class "B" fire?（）
A. Oil
B. Wood
C. Rags
D. Electrical wiring
[单项选择]（） is the temperature at which a liquid fuel gives off sufficient vapor to form an ignitable mixture near its surface.
A. Setting point
B. Dew point
C. Flash point
D. Lean point
[单项选择]Fuel oil tank vents are fitted with a screen which will stop（）.
A. oil from flowing out of the tank vent
B. air from entering the tank vent
C. vapors from leaving the tank vent
D. flames on deck from entering the tank vent
