更多"The disinfection of various compart"的相关试题:
[单项选择]The disinfection of various compartments in a vessel by filling them with a gaseous agents to destroy rats etc.means().
A. fire drills
B. washing and cleaning
C. fumigation
D. quarantine
[单项选择]A vesel’s LCG is determined by().
A. dividing the total longitudinal moment summations by displacement
B. dividing th etotal vertical moment summation by displacement
C. multiplying the MTC by the longituinal moments
D. subtracting LCF from LCB
[单项选择]0n a vesel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds, which is true?().
A. Danger of heavy ship sweat exists; constant and vigorous ventilation is required
B. There is danger of heavy cargo sweat if outside air is introduced by ventilation
C. There is little danger of ships sweat, slight possibility of cargo sweat; moderate ventilation is needed
D. The po sibility of any sweat problem, either cargo or ship, is frame
[单项选择]To determine that a compartment contains sufficient oxygen to sustain life, you should use a/an ().
A. explosimeter
B. oxygen indicator
C. fresh air indicator
D. all of the above
[单项选择]Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by().
A. closing the compartment except for the ventilators
B. completely closing the compartment
C. leaving the compartment open to the air
D. increasing the air flow to the compartment by blowers
[单项选择]The stability which remains after a compartment is flooded is called().
A. intact stability
B. initial stability
C. immersion stability
D. damage stability
[单项选择]Flooding of any compartment in a ship that results in a serious loss of reserve buoyancy will always().
A. increase the trim
B. increase ship stability
C. cause a serious list
D. decrease the heeling moment
[单项选择]Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by().
A. convection
B. conduction
C. radiation
D. spontaneous combustion
[单项选择]Combustible material stored in a compartment adjacent to a compartment where there is a fire may be ignitedThis ignition can occur by ().
A. heat convection through the adjacent bulkheads
B. combustion gases carried through the ventilation system
C. direct convection of the heat emitted by the adjacent fire
D. heat radiated from the dock or bulkhead by the adjacent fire
[单项选择]An engine compartment gasoline fire requires which type of extinguisher?()
A. Carbon dioxide
B. Dry chemical
C. Foam
D. All of the above
[单项选择]A vessel is described as a two compartment vessel when it().
A. has no more than two compartments
B. has two compartments in addition to the engine room
C. will sink if any two compartments are flooded
D. will float if any two adjacent compartments are flooded
[单项选择]Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by().
A. progressive downflooding
B. reducing the level of drill water from the storage tanks
C. causing a list due to the water in the compartment
D. reducing the KG to minimum allowable
[单项选择]You are about to enter a compartment to investigate a suspected smoldering fireIf youre not wearing a self-contained breathing apparatus, you should test the compartments atmosphere to determine if there is/are ().
A. sufficient oxygen to sustain human life
B. an explosive mixture in the compartment
C. a toxic atmosphere in the compartment
D. All of the above