网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Additives （） protective layers on metal surfaces guarding them against corrosion.
A
damage
B
form
C
dissolve
D
contaminate
参考答案
参考解析
解析：
暂无解析
更多 “单选题Additives （） protective layers on metal surfaces guarding them against corrosion.A damageB formC dissolveD contaminate” 相关考题
考题
The X.25 standard specifies three layers of functionality.Which layers of the OSI model correspond to the X.25 layers?A．the Physical, Network, and Session LayersB．the Physical, Data Link, and Network LayersC．the Physical, Data Link, and Transport LayersD．the Physical, Session, and Presentation layers
考题
Additives _____ protective layers on metal surfaces guarding them against corrosion.A.damageB.form.C.dissolveD.contaminate
考题
In the 9th century during the Song Dynasty, people used ______to substitute metal coins for the convenience of their credited consumers.
A、the paper currencyB、shellsC、bartered goodsD、weapons
考题
You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBAR and NetFlow?()
A. NBAR examines data in Layers 1 and 4.B. NBAR examines data in Layers 3 and 4.C. NetFlow examines data in Layers 3 and 4.D. NBAR examines data in Layers 2 through 4.
考题
清漆给予木制品一个光亮的保护涂层。（）A、Varnish gives a clear protective coat to steelwork.B、Primer gives a clear protective coat to woodwork.C、Varnish gives a clear protective coat to woodwork.D、Primer gives a clear protective coat to metalwork.
考题
下列关于Insert Surfaces命令说法正确的是（）。A、Insert Surfaces命令可以在曲面与曲面之间生成新的相交曲面B、Insert Surfaces命令可以在曲面与曲面之间生成新的相交曲线C、Insert Surfaces命令不可以得到独立的相交曲线D、Insert Surfaces命令不可以得到曲面曲线
考题
下列关于Align Surfaces[对其曲面]命令的描述中，正确的是（）。A、Align Surfaces[对其曲面]命令可以将多边形和曲面进行对齐B、Align Surfaces[对其曲面]命令可以将曲面和曲面进行对齐C、Align Surfaces[对其曲面]命令可以将曲面曲线和曲面进行对齐D、Align Surfaces[对其曲面]命令可以在两个曲面对齐处保持曲面之间的连续性，形成无缝的对其效果
考题
最基本的保护层是油漆。（）A、The principal protective coating is paint.B、The principal protective coating is cement wash.C、The principal protective coating is bitumen.D、The principal protective coating is varnish.
考题
You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBAR and NetFlow?（）A、NBAR examines data in Layers 1 and 4.B、NBAR examines data in Layers 3 and 4.C、NetFlow examines data in Layers 3 and 4.D、NBAR examines data in Layers 2 through 4.
考题
An administrator has experienced minor electrical shocks when touching metal surfaces in the data center. Which of the following is the MOST likely cause？（）A、The UPS is using 220-240V rather than 110-120VB、The humidity is too lowC、The temperature is too lowD、The datacenter is experiencing EMI
考题
单选题下列关于Align Surfaces[对其曲面]命令的描述中，正确的是（）。A
Align Surfaces[对其曲面]命令可以将多边形和曲面进行对齐B
Align Surfaces[对其曲面]命令可以将曲面和曲面进行对齐C
Align Surfaces[对其曲面]命令可以将曲面曲线和曲面进行对齐D
Align Surfaces[对其曲面]命令可以在两个曲面对齐处保持曲面之间的连续性，形成无缝的对其效果
考题
单选题An administrator has experienced minor electrical shocks when touching metal surfaces in the data center. Which of the following is the MOST likely cause？（）A
The UPS is using 220-240V rather than 110-120VB
The humidity is too lowC
The temperature is too lowD
The datacenter is experiencing EMI
考题
单选题For a propeller direct driven by the engine,（）.A
the thrust pads are while metal faced on both sidesB
the thrust pads are while metal faced only on the forward sideC
the thrust pads are while metal faced only on the after sideD
intermediate shaft usually supported by a plummer block
考题
单选题最基本的保护层是油漆。（）A
The principal protective coating is paint.B
The principal protective coating is cement wash.C
The principal protective coating is bitumen.D
The principal protective coating is varnish.
考题
单选题Which statement is correct regarding NBAR and NetFlow？（）A
NetFlow uses five key fields for the flowB
NBAR examines data in Layers 3 and 4C
NetFlow examines data in Layers 3 and 4D
NBAR examines data in Layers 2 through 4E
NetFlow examines data in Layers 2 through 4
考题
单选题Corrosion inhibitors and/or soluble oils are added to diesel engine cooling systems to （）A
maintain low pH in the cooling waterB
reduce the cooling water temperatureC
increase cooling water hardnessD
form a protective film on metal surfaces
考题
单选题Generally the function of lubrication is to form of a film of lubricant between any two surfaces that have relative （）, so that surfaces dont get touch with each other.A
gravityB
motionC
ratioD
density
考题
单选题Scale accumulation on evaporator heat exchange surfaces （）.A
increases brine densityB
increases distillate salinityC
reduces metal corrosionD
reduces heat transfer
考题
单选题The cylinder oil will have to neutralize the acidic products of combustion and have good （） properties to keep the metal surfaces clean.A
detergentB
de-oilingC
defrostingD
demulsifying
考题
单选题Additives （） protective layers on metal surfaces guarding them against corrosion.A
damageB
formC
dissolveD
contaminate
考题
单选题Any carbon built up on surfaces must be washed away by （） additives and held in suspension by a （） additive.A
dispersant；detergentB
detergent；dispersantC
dispersant；dispersantD
detergent；detergent
考题
单选题You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBARand NetFlow？（）A
NBAR examines data in Layers 1 and 4.B
NBAR examines data in Layers 3 and 4.C
NetFlow examines data in Layers 3 and 4.D
NBAR examines data in Layers 2 through 4.
考题
单选题What are the most important reasons for using water fog to fight fires?（）A
Smothers burning surfaces，organically destroys fuelB
Cools fire and adjacent surfaces，provides protective barrierC
Reaches areas not protected by steam or CO2 smothering systemsD
Allows fire to be attacked from leeward，saturates liquid surfaces
考题
单选题The main bearing shells are made of steel with a lining of bearing metal which may be white metal, copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?（）A
main bearing shellsB
main bearingC
steelD
bearing metal
考题
单选题Sacrificial zinc anodes are used on the saltwater side of diesel engine heat exchangers to（）.A
reduce electrolytic action on heat exchanger metalsB
keep heat transfer surfaces shiny and cleanC
prevent rapid accumulation of marine growthD
provide a protective coating on heat exchanger surfaces
热门标签
最新试卷