When the normal compression ratio of a diesel engine is not very high, misfiring at light loads may be caused by （）
A . overloading the engine
B . low exhaust valve lift
C . excessive cylinder cooling
D . insufficient mechanical clearance
相似题目
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The stability of a vessel is normally the greatest when all fuel and water tanks are full because the （）.
A . center of gravity is lowered
B . center of buoyancy is lowered
C . reserve buoyancy is unchanged
D . hull freeboard is increased
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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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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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Under normal weather and sea conditions when securing a stack of containers with twist locks，lashings are required when the tier exceeds what height? （）
A . Lashings are always required
B . One container
C . Two containers
D . Three container
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Which mooring line is likely to undergo the most strain when docking a ship under normal conditions?（）
A . Bow line
B . Breast line
C . Spring line
D . Stern line
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When ship is fouled, increasing the fuel injection for keeping the normal speed will cause the main engine （）
A . to work as overload characteristic
B . overspeed
C . over mechanical load only
D . over thermal load only
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When an air started, four-stroke/cycle diesel engine is being cranked, the starting air is admitted to each cylinder during what would normally be the（）
A . intake stroke
B . compression stroke
C . power stroke
D . exhaust stroke
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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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Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height?（）.
A . Lashings are always required
B . One container
C . Two containers
D . Three container
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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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Normally when we read our eyes flick backwards and forwards over the text.（）
A . 正确
B . 错误
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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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When an ASM instance receives a SHUTDOWN NORMAL command，what command does it pass on to all database instances that rely on the ASM instances disk groups？（）
A . TRANSACTIONAL
B . IMMEDIATE
C . ABORT
D . NORMAL
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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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A cluster using IPAT via IP aliasing has four adapters. Normally there are several resource groups that have a total of four service IP labels. When two of the adapters fail， what happens？（）
A . The resource group containing the IP labels changes to an "offline" state.
B . The IP service labels of the failed adapters relocate the surviving adapters.
C . Nothing because the resource groups wait for the adapters to become active again.
D . The resource groups containing the IP labels of the failed adapters migrate to a backup node.
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Which of the listed items will stop a motor due to a reduction in voltage and restart it when the voltage is restored to normal?（）
A . Low voltage protection circuit
B . Non-renewable link fuse
C . Renewable link fuse
D . Low voltage release circuit
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When a called function completes its task, it normally ________.
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When using iPod or charging the battery, it is normal for iPod to get warm.
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What do you think to be the key words in the sentence “They can maintain their heart beat at the normal rate” when you listen to a passage?
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When all the assets of a firm are designed to generate sales of a specific product in one country, the profits of the firm are normally unstable.
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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
