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In a flash evaporator, scale as a result of higher than normal temperatures in most likely to occur in the （）
A . second stage feed heater
B . saltwater feed heater
C . distillate cooler
D . second stage vapor separator
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In a crossing situation，the stand-on vessel should normally（）.
A . take action to cross ahead of the other vessel
B . take action to pass astern of the other vessel
C . maintain course and speed
D . change course and increase speed
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（） is a precaution which contributes to avoiding trouble under normal operating conditions.
A . Constant inspection
B . Keeping constant load
C . Remaining constant temperature
D . Varying speed
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When turning a ship in restricted space with a strong wind，it is normally best to（）.
A . Go ahead on both engines with the rudder hard to one side，if on a twin-screw vessel
B . Back down with the rudder hard to one side，if on a single-screw vessel
C . Take advantage of the tendency to back to port，if on a twin-screw vessel
D . Turn so that the tendency to back into the wind can be used，if on a single-screw vessel
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Some vessels are equipped with a water lubricated stern robeWhen at sea, operating under normal conditions, the water service valve from the ships saltwater system to the bearing should be （）.
A . closed, and no leakage permitted across the shaft packing
B . closed, and only slight leakage permitted across the shaft packing
C . open, and no leakage permitted across the shaft packing
D . open, and only slight leakage permitted across the shaft packing
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If a hydraulic governor has been refilled with oil, the engine should be operated until it reaches normal temperaturethen the air should be purged, and the（）
A . rack position should be adjusted
B . compensating needle valve should be opened fully compensating
C . needle valve should be adjusted to stabilize operation
D . speed limiting device should be adjusted
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A diesel engine which is rated for normal operation at a crankshaft speed of 800 RPM, is commonly classed as a （）.
A . slow-speed diesel
B . medium-speed diesel
C . high-speed diesel
D . constant-speed diesel
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Under normal operating conditions, the highest temperature and pressure conditions existing in a flash-type evaporator will occur in the （）.
A . first stage
B . second stage
C . distillate cooler
D . salt water feed heater
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正常运行 normal operation
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Which portable fire extinguisher is normally recharged in a shore facility?（）
A . Dry chemical (cartridge-operated)
B . Water (cartridge-operated)
C . Water (pump tank)
D . Carbon dioxide
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Which conditions will normally cause a SART to operate in the active mode?（）
A . It will respond only to interrogation by 9-Ghz radar signals
B . A SART will normally respond to interrogation from a searching vessel's radar if the radar antenna is at least 15 meters high
C . A SART will normally respond to interrogation from a searching aircraft's radar if the radar's output power is at least 10，000 watts and the aircraft is at a height of 3000 feet and within 30 nautical miles
D . All of the above
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Wireless has been operating correctly in the campus infrastructure. After the wireless controllers are upgraded from LWAPP to CAPWAP， access points no longer boot and operate normally. What is the most likely issue causing this problem？（）
A . VLAN assignments
B . DHCP option 43
C . PoE
D . ACL
E . QoS
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Operating a propulsion diesel engine at less than 30% of designed normal load for prolonged periods will result in （）.
A . decreased fuel consumption per brake horsepower
B . more complete cylinder scavenging
C . extended valve life
D . carbon formation on combustion chamber surface
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When there is a fire in a large electric motor, normally the very FIRST step is to （）
A . secure the electric supply
B . ventilate area to remove smoke
C . start the fire pump and lead out hose
D . apply foam
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How many hours of rest is the minimum required in a normal day?（）
A . 14 hours
B . 10 hours
C . 6 hours
D . It does not matter as long as my overtime is paid for
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When normal operating pressure is applied to the hydraulic oil used in a high-pressure system, the oil （）.
A . viscosity will decrease
B . volume will increase
C . volume will decrease
D . pour point will be reduced
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Which of the following actions should normally be taken during each watch when the auxiliary boilers is in operation?（）
A . clean the flame scanner photocell window
B . Inspect and clean all solenoid valves
C . lift the safety valves by hand
D . Inspect for oil or water leak
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If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
A . compression pressures are below normal
B . lube oil is diluted with fuel oil
C . cranking speed is too low
D . exhaust system is partially restricted
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The highest pressure in a diesel engine cylinder normally occurs （）.
A . at TDC
B . before TDC
C . after TDC
D . during air starting
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29. How many hours of rest is the minimum required in a normal day?
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If a mark is not actively used for a period of time,normally 10 years in most jurisdictions.
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以下表达是否正确？In order to ensure the normal operations of the airplane, cell phones are strictly prohibited. 为了保证飞机能正常操作，手机是被严禁使用的。
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In e-commerce, supplier interacts with （)A．manufacturerB．customerC． shipment provider.D．di
In e-commerce, supplier interacts with ()
A．manufacturer
B．customer
C． shipment provider.
D．distributors.
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Which sequence of events describes the order used to restore normal router operation after experiencing a corrupted flash？（）
<img src='https://img2.soutiyun.com/shangxueba/ask/64131001-64134000/64131098/16724c3a4b388063f7fa9bd394d14e27.jpg' />
A．A
B．B
C．C
D．D
