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【单选题】tube
A．n.捆绑
B．n. 管;电子管; v. 使成管状
C．v.译码,解码
D．博客站
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更多 “【单选题】tubeA．n.捆绑B．n. 管;电子管; v. 使成管状C．v.译码,解码D．博客站” 相关考题
考题
单选题On what does the operation of an aneroid barometer depend?（）A
Thin，metal，air tight cellB
Curved tube containing alcoholC
Column of mercury supported by atmospheric pressureD
Expansion of mercury in a closed tube
考题
单选题To inflate a davit launched liferaft you（）.A
initially connect the compressed air nozzle to the inflation tubeB
pull the inflation lanyardC
connect the hand pump to the inflation tube and pump it upD
connect the helium nozzle to the inflation tube
考题
单选题The depth of fuel oil in a tank is normally measured through the（）A
vent lineB
overflow lineC
feed lineD
sounding tube
考题
单选题Which of the following statements concerning the water tube and fire tube boilers is not true?（）A
natural circulation of the water in the water tube boiler is better than that in the fire tube boilerB
for the same output the water tube boiler will carry less mass of water compared with the fire tube boilerC
the water tube boiler will cost shorter time for steam raisingD
the water tube boiler require lower skill in operating and maintaining
考题
单选题Tube leaks in the distillate cooler of a two stage flash evaporator will result in （）.A
loss of second stage vacuumB
contamination of the distillateC
lower feed inlet temperatureD
contamination of the second stage condenser
考题
单选题Waterside scale in a fire-tube boiler may cause （）.A
increased heat transferB
fireside erosionC
high steam demandD
overheated tubes
考题
单选题Diesel engine waste heat boiler construction is usually of the fire-tube or（）A
cyclone furnace boiler typeB
dry back boiler typeC
water-tube typeD
critical circulation boiler type
考题
单选题The davit launched life raft can be boarded（）.A
from the water onlyB
at the deckC
by jumping down onto itD
through the escape tube
考题
单选题An automated diesel engine should normally shut down due to （）A
low lube oil temperatureB
high ambient air temperatureC
low tube oil pressureD
high exhaust system back pressure
考题
单选题Since the burning or combustion takes place within the engine itself, the engine is known as （）.A
a fire -tube boilerB
an internal combustion engineC
an external combustion engineD
an internal combustion generator
考题
单选题以下组合全部属于扩展基本体（Extended Primitives）的是（）。A
环形结（TorusKnot）、水滴网格（Blobmesh）、管状体（TubE.B
棱柱（HosE.、管状体（TubE.、球棱柱（Gengon）C
四棱锥（PyramiD.、圆锥体（ConE.、布尔（Boolean）D
球棱柱（Gengon）、切角长方体（Chanferbox）、环形结（TorusKnot）
考题
单选题以下组合全部属于［扩展基本体（ExtendedPrimitives）］的是（）？A
［环形结（TorusKnot）］、［水滴网格（BlobMesh）］、［管状体（Tube）］B
［棱柱（Hose）］、［管状体（Tube）］、［球棱柱（Gengon）］C
［四棱锥（Pyramid）］、［圆锥体（Cone）］、［布尔（Boolean）］D
［球棱柱（Gengon）］、［切角长方体（ChamferBox）］、［环形结（TorusKnot）］
考题
单选题Bourdon Tube is probably the most commonly used （） measuring instrument.A
the absolute pressureB
the gauge pressureC
the vacuum pressureD
the differential pressure
考题
单选题When a vacuum boiling evaporator works, the hot jacket water will pass over the tube stack and （） the sea water passing through the tubes.A
disposeB
dissolveC
heatD
dissipates
考题
单选题（）, iea steam cooler, may be filled in the boiler system to control the superheated steam temperature.A
An economizerB
An attemperatorC
A water dramD
A down-comer tube
考题
单选题Auxiliary boilers can be classified as（）A
water-tube natural circulation boilersB
fire-tube boilersC
water-tube forced circulation boilersD
all of the above
考题
单选题Auxiliary boilers are divided into several classifications, one of which is（）A
fire-tube controlled circulationB
fire-tube supercritical circulationC
water-tube natural circulationD
water-tube express circulation
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