To minimize corrosion, fuel oil strainer disks, spacers and scraper blades are made of （）.
A . brass
B . copper
C . iron
D . monel metal or stainless steel
相似题目
-
In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.
A . fresh water
B . sea water
C . cooling oil
D . emulsio
-
What are two ways to minimize the delay of VoIP packets that are traversing a network？（）
A . Use WFQ， CBWFO， and LLO to prioritize delay-sensitive packets
B . Use WFO， CBWFO， and LLO to compress the payload.
C . Give TCP packets priority over UDP packets.
D . Use control plane policing for cRTP queuing.
E . Use stacker and predictor to compress the payload.
-
When planning high availability， which two components are important to minimize the effect of outages？（）
A . work staff attributes， such as skills and communication
B . redundancy， to prevent single points of failure
C . processes， such as documentation， change control， and labs
D . appropriate technology， such as hardware and software
E . tools， such as those for monitoring and reporting
-
For a flash type evaporator, the seawater heater will have to maintain a enough temperature to minimize scale formation（）
A . lower
B . higher
C . low
D . high
-
The main engine is cooled with fresh water （）is added suitable small quantities of chemicals to prevent corrosion.
A . in which
B . on which
C . to which
D . by which
-
The shaft and spare parts（） should be well greased in order to avoid corrosion.
A . in the store room
B . in the cylinder
C . in the scavenge air box
D . in the water box
-
To lubricate the swivel or remove corrosion from a fire hose coupling，you should use（）.
A . glycerine
B . graphite
C . kerosene
D . fresh water and soa
-
What are the minimal resources to perform a NIM BOS install？（）
A . spot， lpp_source
B . mksysb， lpp_source
C . boot， bundle， nim_script
D . aix disks， spot， lpp_source
-
Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.
A . the indicators
B . the starting valves
C . the cylinder lubricators
D . the turning gear
-
What are the minimal resources to perform a NIM BOS install?（）
A . spot, lpp_source
B . mksysb, lpp_source
C . boot, bundle, nim_script
D . aix disks, spot, lpp_source
-
A substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is（）
A . carbon
B . vanadium
C . calcium
D . hydroge
-
Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to （）
A . maintain low pH in the cooling water
B . reduce the cooling water temperature
C . increase cooling water hardness
D . form a protective film on metal surface
-
Wrought iron has an inherent resistance to corrosion but is not to be had freely , its place has been taken by the cuprous alloysAccording to the above sentence , which of the following statements is true?（）
A . Wrought iron can resist liquids flow
B . It is difficult to attain the wrought iron
C . Wrought iron should be combined with cuprous alloys
D . The cuprous alloys have mere disadvantages than wrought iro
-
"Cast iron has poor corrosion resistance to sea water, especially in the presence of bronzes" Implies（）.
A . east iron is a cheap material
B . cast iron can pollute sea water
C . cast iron has mere corrosive than bronzes to sea water
D . cast iron is more corrosive to sea water when it meets with bronze
-
Distilled water is now largely used on board, this may be corrosive (due to presence of dissolves CO2) and （） to the taste.
A . flat
B . slat
C . sweet
D . acid
-
To minimize the formation of carbon deposits on fuel injection nozzles, you should （）
A . avoid using liquid-cooled nozzles whenever possible
B . avoid low cooling water temperatures
C . avoid prolonged overloading of the engine
D . make certain the gasket seal between the nozzle and cylinder head is tight
-
A “decent victory” is to take a city intact and to win victory through minimal killing.
-
The function of hedging language is to protect you from possible criticism or to minimize or soften what you say.
-
3.What is minimalism, according to Juliet?
-
原文:Painting is the most common way to protect metals from corrosion.译文:涂漆是使金属____________的最通用办法。
A、免受盗窃
B、免受腐蚀
-
Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to __________.
A.maintain low pH in the cooling water
B.reduce the cooling water temperature
C.increase cooling water hardness
D.form. a protective film on metal surfaces
-
The word minimal in the passage is closest in meaning to
A．most recent
B．most active
C．newest
D．smallest
-
Sandy Jo wishes to minimize her regret and will probably opt for a _____
A．certainty
B．risk
C．minimax
D．maximin
