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
相似题目
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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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In a normally operating diesel engine, the main cause of lubricating oil contamination in the crankcase is a result of the ().
A . metal particles loosened by wear
B . air when no air cleaners are used
C . condensation of water vapors
D . breakdown of the lubricating oil by dilutio
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When carrying out mooring trial, if the M√Ecan’t start normally, you should ()
A . take a further inspection in the voyage
B . check and repair, then retrial
C . do as the surveyor’s requirement
D . retrial
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What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? ()
A . 0x2100
B . 0x2101
C . 0x2102
D . 0x2124
E . 0x2142
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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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Large, two-stroke/cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the ().
A . exhaust gas temperature system
B . exhaust load system
C . constant or pulse pressure system
D . constant volume system
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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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Safety goggles or glasses are NOT normally worn when().
A . using a rotary grinder with an installed shield
B . letting go the anchor
C . handling wire rope or natural fiber line
D . painting with a spray gu
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Normally when we read our eyes flick backwards and forwards over the text.()
A . 正确
B . 错误
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Which one is not the normal operation for boiler shutdown?()
A . Carry out soot blowing if permissible
B . Change fuel supply to diesel oil
C . Close steam stop valves on boiler when pressure is reduced
D . Drain boiler empty when it has cooled dow
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When anchored,increasing the scope of the anchor chain normally serves to().
A . prevent fouling of the anchor
B . decrease swing of the vessel
C . prevent dragging of the anchor
D . reduce strain on the windla
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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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The pollution prevention regulations state that slop oil and sludge that result as part of normal fueling operations should be disposed of by ()
A . discharging ashore into the sewer system
B . sealing in disposable plastic barrels aboard ship
C . discharging into a shore tank or stop barge
D . dumping into the ship’s bunker tank
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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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When a called function completes its task, it normally ________.
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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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When are an inboard aileron normally used?
A、Low-speed flight only
B、High-speed flight only
C、Low-speed flight and high-speed flight
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When can normal activities be resumed?
A.Right after take-off.
B.After the announcement.
C.After securing personal items.
D.Whenever one wishes.
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Normally, when hearing compliments, a typical Chinese reaction is to show().
A、disagreement and anger
B、modesty and humility
C、enjoyment and pride
D、pride and gratitude
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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