更多"Which of the following statements i"的相关试题:
[单项选择]Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）
A. If no answer is received on the designated distress frequencies，repeat the distress call on any frequency available
B. Channel 16 (156.8) may be used for distress messages
C. It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration
D. Distress messages should first be transmitted on 2182 kHz
[单项选择]Which of the following statements concerning cargo is correct?（）
A. Cargoes are any type of goods transported by any type of ships
B. Cargoes are goods transported in bulk
C. Cargoes usually include goods transported in bulk and in containers
D. Cargoes are usually packaged in containers
[单项选择]Which of the following statements concerning frontal movements is TRUE（）.
A. The temperature rises after a cold front passes
B. The barometric pressure rises when a warm front passes
C. A cold front generally passes faster than a warm front
D. A warm front usually has more violent weather associated with it than a cold front
[单项选择]Which of the following statements concerning butterfly valves is correct?（）
A. Special tools are required for lapping or grinding
B. It is impossible to throttle flow with a butterfly valve
C. To close the valve, it is only necessary to turn the handle a quarter of a turn
D. The butterfly valve should never be used in a freshwater system
[单项选择]Which of the following statements concerning cylinder liner wear is true?（）
A. Liner wear is distributed equally between the upper and lower portions of the cylinder
B. Excessive liner wear causes wear between piston ring and groove
C. Excessive, but uniform liner wear will not cause wear between piston ring and groove
D. Liner wear is normally greatest in the middle of the cylinder
[单项选择]Which of the following statements concerning fuel atomization in a diesel engine cylinder is correct?（）
A. The greater the atomization, the greater the penetration
B. The greater the atomization, the less the penetration
C. The degree of atomization has nothing to do with the degree of penetration
D. Atomization and penetration are one and the same
[单项选择]Which of the following statements concerning energy is correct?（）
A. Energy can be created or destroyed
B. Energy may not be transformed
C. The total quantity of energy in the universe is always the same
D. None of the above
[单项选择]Which of the following statements regarding the use of multiple access lists are valid when configuring a single interface on a Cisco router?（）
A. Application of up to three access lists per protocol to a single interface.
B. No more than two access lists per interface.
C. One access list may be configured per direction for each Layer 3 protocol configured on an interface.
D. The maximum number allowed varies due to RAM availability in the router.
E. An infinite number of access lists that can be applied to an interface, from most specific to most general.
F. Cisco IOS allows only one access list to an interface.
[单项选择]Which of the following statements is TRUE regarding automatic identification systems（AIS）（）.
A. AIS is a global tracking system that relies upon INMARSAT C service to communicate vessel position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area
B. AIS is a short-range 3 cm X-band radar system that automatically sends a vessel's position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area
C. AIS is a short-range VHF-FM system that automatically broadcasts a vessel's position and other safety related information frequently to similarly equipped vessels，aircraft and shore stations within the area
D. AIS is a one-way centrally managed system that requires the local VTS to send commands to instruct each vessel to broadcast position and other safety related information to similarly equipped vessels，aircraft and shore stations within the area
[单项选择]Which of the following statements regarding low expansion foam and its application is INCORRECT?（）.
A. Foam should not be used on electrical fires
B. One kilo of low expansion foam solution produces much more foam
C. Foam is only efficient when it covers the top of burning combustibles
D. A stream of foam should be deflected off the deck in order to best agitate the fire
[单项选择]Which of the following statements about general cargoes is not correct?（）
A. General cargoes are neither liquid nor solid bulk cargo
B. General cargoes are packaged hazardous cargoes
C. General cargoes are also called breakbulk cargoes
D. General cargoes are mostly carried on container ships now
[单项选择]Which of the following statements is correct concerning heat transfer?（）
A. Heat is given off from a high temperature region known as a heat sink
B. Heat transfer rate is affected most by the size of the heat sink involved
C. Heat transfer rate is affected most by the temperature difference between the heat source and the heat sink
D. Heat transfer by radiation will occur only by mass motion of a fluid substance
[单项选择]Which of the following statements is true regarding the installation of piston rings on two-stroke/cycle, diesel engines as compared to four-stroke/cycle, diesel engines?（）
A. In a two-stroke/cycle engine, the rings run hotter, requiring the end gap to be greater
B. Some provision must be made in a two-stroke/cycle engine to keep the rings from binding in the ports
C. No gap is required to exist between the ends of the ring when cold in a two-stroke/cycle engine, but a small gap is required in a four-stoke/cycle engine
D. The gaps should be staggered on either side of a piston in a two-stroke/cycle engine, while staggering is not necessary in a four-stroke/cycle engine
[单项选择]Which of the following statements describes one of the functions of the ballast system?（）
A. To permit flooding of any fuel oil storage tank on any class of ship
B. To use it as a secondary service system
C. To store reserve feed or potable water for extended cruises
D. To stabilize the ship by flooding certain designed tanks with seawater
[单项选择]Which of the following statements is correct regarding an oil with a high viscosity index?（）
A. A large change of viscosity occurs with a minor change in temperature
B. No change in viscosity occurs with any change in temperature
C. Very little change in viscosity occurs with a significant change in temperature
D. The viscosity of the oil increases with an increase in temperature
