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
In order to prevent galvanic corrosion,an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?()
A

Hard rubber

B

Canvas

C

Leather

D

Sponge rubber


参考答案

参考解析
解析: 暂无解析
更多 “单选题In order to prevent galvanic corrosion,an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?()A Hard rubberB CanvasC LeatherD Sponge rubber” 相关考题
考题 Delivery must be effected within the time stated on the purchase order, ()the Buyer must atits opinion cancel the order.A、whileB、otherwiseC、untillD、in case of

考题 The acceptance letter must contain the order number and date as well as other information concerning the execution of the order.()

考题 Injectors for use with heavy fuel oil must be cooled by either water or light oil to_____.A.prevent heat corrosion to internal componentsB.increase fuel delivery rate and economyC.prevent pre-ignitionD.avoid carbonization of the nozzle tips

考题 Which two settings must be configured in order to use the GUI to configure Call Admission Control with voice applications?() A. QoS must be set to PlatinumB. WMM must be enabledC. QoS must be set to GoldD. TSPEC must be disabledE. Cisco Compatible Extensions must be disabled

考题 In order to prevent a person ______ general average contribution on the ground that he was at fault,the fault must be something which constitutes an actionable wrong.A.to recoverB.to be recoveredC.being recoveredD.recovering

考题 Electrical wiring on all "T-Boats" must be ______.A.concealed to prevent mechanical damageB.concealed so the boat can be maintained more easilyC.protected from the weatherD.in an accessible place behind the ceiling

考题 The canal must be wide enough to permit two of the largest boats using it to pass each other easily.It must be deep enough to leave about two feet of water( )the keel of the largest boat using the canal.A.down B.below C.beneath D.off

考题 In order to()your goals, you must work hard.AmakeBachieveCrequireDdevelop

考题 The writers of the Constitution worked out the Constitution worked out the checks and balances in order to()A、prevent the government from misusing its powerB、prevent the government from being strongC、pacify those who opposed the ConstitutionD、meet the demands of small states.

考题 Which two settings must be configured in order to use the GUI to configure Call Admission Controlwith voice applications? ()A、 QoS must be set to PlatinumB、 WMM must be enabledC、 QoS must be set to GoldD、 TSPEC must be disabledE、 Cisco Compatible Extensions must be disabled

考题 多选题Which two settings must be configured in order to use the GUI to configure Call Admission Control with voice applications?()AQoS must be set to PlatinumBWMM must be enabledCQoS must be set to GoldDTSPEC must be disabledECisco Compatible Extensions must be disabled

考题 单选题In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by ().A convectionB conductionC radiationD ventilation

考题 单选题In order to prevent a person()general average contribution on the ground that he was at fault,the fault must be something which constitutes an actionable wrong.A to recoverB to be recoveredC being recoveredD recovering

考题 单选题The starting air system usually has () to prevent starting if anything is not in order.A drain cocksB vent valvesC counteractsD interlocks

考题 单选题Prior to getting underway,the Master or person in charge of a vessel must().A conduct a fire drillB conduct a boat drillC log the fore and aft draft marksD test the emergency generator

考题 单选题Care must be taken to condition the ()in the boiler to prevent scaling, and corrosion, which can weaken the pressure vessel.A waterB fuelC steamD air

考题 单选题In order for the automatic lifeboat drain to operate properly().A the cap should be removed to drain the boat when it is waterborneB the cage must be free of rubbish or the ball may not seat properlyC there is an automatic ball check located in a siphon tubeD the small lever to release the rubber ball float must be turned counterclockwise

考题 单选题Most totally enclosed lifeboats are equipped with which of the following? ()A Tanks for the storage of drinking waterB Ballast tanks to prevent the boat from capsizingC A hydraulic start diesel engineD Auxiliary mechanical propulsion (Fleming gear)

考题 单选题Which of the following statements about pump operations is NOT a correct statement?()A In order for a fluid to be pumped, a fluid must be made to flowB A substance must be cold in order for it to be pumpedC The kinetic energy imparted by the pump can be used to force a liquid through a hydraulic systemD A pump must receive its energy from an external source

考题 单选题The main engine is cooled with fresh water ()is added suitable small quantities of chemicals to prevent corrosion.A in whichB on whichC to whichD by which

考题 单选题Preventer bars are fitted on lifeboat releasing hooks to prevent().A the falls from unhooking if the releasing gear is operated accidentally while the boat is being loweredB operation of the release lever until the boat is waterborneC the falls from rehooking after they have been releasedD accidental unhooking when the falls become slack

考题 单选题According to the regulations for life boat falls,which action must be taken at 30-month intervals?()A End-for-endedB RenewedC InspectedD Weight tested

考题 单选题The lubrication to the cylinders affected by the fire must be ()to prevent seizure and all scavenge drains must be ()to prevent the discharge of sparks and burning oil from the drains into the engine room.A decreased;openedB decreased;shutC increased;openedD increased;shut

考题 单选题The shaft and spare parts() should be well greased in order to avoid corrosion.A in the store roomB in the cylinderC in the scavenge air boxD in the water box

考题 单选题Electrical wiring on all “T-Boats” must be()。A concealed to prevent mechanical damageB concealed so the boat can be maintained more easilyC protected from the weatherD in an accessible place behind the ceiling

考题 单选题Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful().A to keep the boats covered at all timesB not to leave steel or iron tools lying in or near these boatsC to keep an electric charge on the hull at all timesD to rinse these boats regularly with salt water

考题 单选题A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?()A The aluminum will provide greater resistance to the spread of fire by conductionB The aluminum structure is usually attached to a steel coaming by a method that insulates the two metalsC If the superstructure is stressed,an aluminum structure requires additional expansion joints to prevent fractureD The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion