更多"Which of the equipment listed is mo"的相关试题:
[单项选择]Which item of lifeboat equipment would be most suitable for night signaling to a ship on the horizon?（）
A. A red parachute flare
B. A red hand-held flare
C. A flashlight
D. A lantern
[单项选择]Which extinguishing agent is most effective on a mattress fire?（）
A. CO2
B. Foam
C. Dry Chemical
D. Water
[单项选择]Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?（）
A. Viscosity
B. Sulfur content
C. Pour point
D. Cetane number
[单项选择]Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?（）
A. Cooling the air to a temperature just above dew point
B. Heating the air to a point at which moisture will boil off ,then re-cooling it
C. Cooling the air to a point below dew point, then reheating it
D. Heating the air and then cooling it to a point below dew point
[单项选择]Which of the listed classes of fire would most likely occur in the engine room of a vessel?（）
A. Classes A and B
B. Classes B and C
C. Classes C and D
D. Classes A and D
[单项选择]The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is（）
A. the rotate speed fluctuation
B. the ventilation tube clogged
C. the main engine accelerate so fast
D. stormy waves
[单项选择]Among the basic categories of equipment, which of the following are used to allow the hydraulic energy to be controlled?（）
A. hydraulic pumps
B. valves
C. hydraulic cylinders
D. hydraulic motors
[单项选择]Which extinguishing agent is effective in combating an isoprene fire?（）
A. Dry chemicals
B. CO2
C. Foam
D. All the above
[单项选择]Which will most likely occur when entering shallow water? （）
A. Rudder action will become more effective
B. The vessel's list will change
C. The vessel's trim will change
D. An increase in speed will occur
[单项选择]Which of the listed refrigeration system components keeps the refrigerant circulating through the system?（）
A. Expansion valve
B. Condenser
C. Evaporator
D. Compressor
[单项选择]Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
A. Sensitivity
B. Power
C. Speed droop
D. Compensation
[单项选择]The most effective first aid treatment for chemical burns is to immediately（）.
A. apply ointment to the burned area
B. flood the affected area with water
C. wrap the burn with sterile dressing
D. apply an ice pack to the burned area
[单项选择]The two most effective generating forces of surface ocean currents are（）.
A. temperature and salinity differences in the water
B. wind and density differences in the water
C. water depth and underwater topography
D. rotation of the Earth and continental interference
[单项选择]Which of the routine maintenance procedure listed is required for starting air receivers?（）
A. Frequent draining of accumulated moisture
B. Frequent testing of relief valves
C. A close watch on temperature to prevent fluctuations in pressure
D. Frequent cleaning to re move oil and foreign matter
[单项选择]Which of the routine maintenance procedures listed is required for starting air receivers?（）
A. over-speeding
B. overload
C. low exhaust temperature
D. high crankcase pressure
