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
Before any machinery is put in operation,you should().
A

ventilate all compartments,see that the machinery is clean and there are no obstructions

B

just turn the key and start up

C

take for granted that there are no fuel leaks

D

assume there are no volatile fumes in the engine space


参考答案

参考解析
解析: 暂无解析
更多 “单选题Before any machinery is put in operation,you should().A ventilate all compartments,see that the machinery is clean and there are no obstructionsB just turn the key and start upC take for granted that there are no fuel leaksD assume there are no volatile fumes in the engine space” 相关考题
考题 Like with anything new, you should your_________ physician before taking Colon Health Cleansing or any other vitamin.A. discussB. consultC. requestD. tell

考题 Before launching any sales program, you should design an attractive promotion plan。() 此题为判断题(对,错)。

考题 Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.A.open the indicator cocksB.supply some CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)C.put the fuel handle in the "stop" positionD.pump up the air bottle

考题 Before any machinery is put in operation,you should ______.A.ventilate all compartments,see that the machinery is clean and there are no obstructionsB.just turn the key and start upC.take for granted that there are no fuel leaksD.assume there are no volatile fumes in the engine space

考题 You are in a tropical port.The refrigeration machinery on a container loaded with air-cooled fruit fails.It cannot be repaired for 18 to 24 hours.Which step should you take to reduce the temperature rise and spoilage of the fruit ________.A.Discharge a cylinder of nitrogen into the containerB.Shade the container and periodically hose it downC.Seal any ventilation openings and add dry iceD.Spread ice over the top layer and in any voids within the container

考题 Please put up your hands if you have any questions.A:raise B:reach C:wave D:fold

考题 共用题干 Musical ChairsDo you know how to play a game called"Musical Chairs"?It is easy to play and most people enjoy it. All you need are some chairs,some people and some way of making music.You may use a piano or any other musical instrument,if someone can play it. You may use a tape recorder. You can even use a radio.Put the chairs in a row.The chairs may be put in twos,back to back.A better way is to have the chairs in one row with each chair facing in the opposite direction to the chair next to it.The game is easy.When the music starts,the players walk round the chairs.Everyone goes in the same direction,of course,they should walk in time to the music .If the music is fast they should walk quickly .If the music is slow,they should walk slowly.The person playing music cannot see the people in the game.When the music stops,the play-ers try to sit on the chairs.If a person cannot find a chair to sit on,he drops out. Then,before the music starts again,one chair must be taken away.When the music stops again,one more player will be out.At last,there will be two players and one chair. The one who sits on the chair when the music stops is the winner. The chairs should be put______.A: with the desksB: before the winnerC: all over the roomD: in a line

考题 Is there any reason()you should go away?AwhyBthatCwhereDas

考题 Is there any reason()you should lie ?AwhyBwhereCwhichDas

考题 Any emergency pump situated outside ()(机舱)should also be started.A、officer’s roomB、machinery cabinC、engine roomD、boat deck

考题 You work as a database administrator for Certkiller .com. In the Certkiller PRODUCTION database you have granted RESUMABLE system privilege to the CONNECT role.Resumablespace operation has been enabled for all user session. You want users NOT to be aware of any kind of space-related problems while performing transactions. Instead, you want the problem to be resolved by a database trigger automatically. Which combination of triggering time and event would you use to achieve this objective?()A、AFTER CREATEB、AFTER SUSPENDC、BEFORE CREATED、AFTER TRUNCATEE、BEFORE SUSPENDF、AFTER INSERT OR DELETE OR DELETEG、BEFORE INSERT OR DELETE OR DELETE

考题 Which of the following restrictions are not true with respect to tablespace point-in-time recovery?()A、 The target database must be in NOARCHIVELOG mode.B、 No backup is required of the database before you perform a TSPITR.C、 You must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.D、 If you rename a tablespace, you can not perform a TSPITR to any point in time before that rename operation occurred.E、 If you have tables in tablespace_1 that have associated constraints in tablespace_2,then you must transport both tablespaces.

考题 单选题You work as an application developer at Certkiller .com. Certkiller .com has asked you to create a multi-threaded application, which executes a critical database  backup operation on an hourly basis. You define this operation with the following code:  public void BackupDB () {  //Implementation code }  You then create a Thread object for the purpose of invoking this method.  You need to ensure that the thread is scheduled for execution before any other thread at runtime.What should you do?()A AB BC CD D

考题 单选题After operation, you should ()the motor.A startB openC stopD turn on

考题 单选题Which of the following should be recorded in Oil Record Book Part I (machinery space operation) ?()A Non automatic discharge overboard of machinery space bilge waterB Automatic discharge overboard of machinery space bilge waterC A and BD Neither A nor B

考题 单选题Before doing any work on a hydraulic system equipped with accumulators, you should()A drain the accumulators and purge with oxygenB bleed off all stored energy from the accumulators completelyC charge the accumulators to prevent system energy lossD pump the hydraulic fluid into the accumulators to prevent fluid loss

考题 单选题Before any loading takes place any signs of the previous cargo should do().A keptB removedC replacedD recycled

考题 单选题Repair of vital machinery and services on a ship should be accomplished().A after control of fire,flooding,and structural repairsB immediatelyC after control of fire,but before control of floodingD after stability is restored

考题 单选题Any emergency pump situated ()machinery space should also be started.A outsideB underC besideD besides

考题 单选题There is a fire in the crew’s quarters of your vessel. You should().A ventilate the quarters as much as possibleB prepare to abandon shipC close all ventilation to the quarters if possibleD attempt to put the fire out yourself before sounding the alarm

考题 单选题Before the oily water separator put into operation, it should be ()A filled with bilge waterB filled with oilC filled with clean waterD be emptied

考题 单选题Before using or operating any equipment, you should first () its manual thoroughly and understand its contents().A read/sufficientB consult/sufficientlyC read/sufficientlyD consult/sufficient

考题 多选题Which of the following restrictions are not true with respect to tablespace point-in-time recovery?()AThe target database must be in NOARCHIVELOG mode.BNo backup is required of the database before you perform a TSPITR.CYou must have all archived redo logs generated since the last backup up to the point to which you want to restore the transport set.DIf you rename a tablespace, you can not perform a TSPITR to any point in time before that rename operation occurred.EIf you have tables in tablespace_1 that have associated constraints in tablespace_2,then you must transport both tablespaces.

考题 单选题After an explosion,repair of emergency machinery and services should be accomplished().A after control of fire,flooding,and structural repairsB immediately,before the emergency is under controlC after control of fire,but before control of floodingD after stability is restored

考题 单选题Before reassembling any machinery, you should ().A replace all bearings regardless of length of serviceB apply a heavy coat of oil to all mating surfacesC clean any corroded surfaces and file all burrs smoothD coat all parts with alemite grease

考题 单选题What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?()A Repeat the message using any other channel on which you might attract attentionB Key the microphone several times before transmitting againC Turn up the volume on the receiver before transmitting againD Report the problem to the head electrician

考题 单选题You are in a tropical port. The refrigeration machinery on a container loaded with air-cooled fruit fails. It cannot be repaired for 18 to 24 hours. Which step should you take to reduce the temperature rise and spoilage of the fruit?().A Discharge a cylinder of nitrogen into the containerB Shade the container and periodically hose it downC Seal any ventilation openings and add dry iceD Spread ice over the top layer and in any voids within the container