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
It should be ensured that only () vapor is handled by the refrigeration compressor.
A

humidity

B

dry

C

steam

D

oil


参考答案

参考解析
解析: 暂无解析
更多 “单选题It should be ensured that only () vapor is handled by the refrigeration compressor.A humidityB dryC steamD oil” 相关考题
考题 Risks that cannot be identified or evaluated _____ .A should be deflected to the contracting officer.B should be handled via contingency allowances.C should be ignored, since they cannot be identified.D should be ignored, since they are not covered in the Risk Assessment.E C and D

考题 Risk classified as unknown unknowns (i.e., those which cannot be identified or evaluated):A should be deflected to the contracting officerB should be handled via contingency allowancesC should be ignored, since they cannot be identifiedD should be ignored, since they are not covered in the Project Risk AssessmentE C and D

考题 76 Risk classified as unknown unknowns (i.e., those which cannot be identified or evaluated): A. should be deflected to the contracting officerB. should be handled via contingency allowancesC. should be ignored, since they cannot be identifiedD. should be ignored, since they are not covered in the Project Risk AssessmentE. C and D

考题 145 Risks that cannot be identified or evaluated _____ .A. should be deflected to the contracting officer.B. should be handled via contingency allowances.C. should be ignored, since they cannot be identified.D. should be ignored, since they are not covered in the Risk Assessment.E. C and D

考题 From Paragraph 5,we can learn that_______.A.mushrooms should not be eatenB.vegetables are safer than meat and seafoodC.natural poisons are more dangerous than chemicalsD.different types of food should be handled differently

考题 In the Junos OS, what handles transit traffic?() A. Transit traffic is handled by the RE onlyB. Transit traffic is handled by the PFE onlyC. Transit traffic is handled by both the RE and the PFED. Transit traffic is not handled by the RE or the PFE

考题 Which statement is correct about the forwarding table?() A. The forwarding table is stored only on the PFEB. The forwarding table contains all known routesC. The forwarding table is stored on both the RE and PFED. The forwarding table is stored only on the RE

考题 When you're _t_________ ,you should have some water.

考题 The safety of the port should ______ in respect of a vessel properly manned and equipped,and navigated and handled without negligence and in accordance with good seamanship.A.be watchedB.be seenC.be viewedD.be inspected

考题 When loading a tanker,you should ______.A.load only one tank at a timeB.keep the seamen on watch on standby in the mess roomC.keep a strain on the loading hosesD.close valves by closing them down,reopening one or two turns,and re-closing

考题 Which statement is true about assertion in the Java programming language?()  A、 Assertion expressions should not contain side effects.B、 Assertion expression values can be any primitive type.C、 Assertion should be used for enforcing preconditions on public methods.D、 An AssertionError thrown as a result of a failed assertion should always be handled by the enclosing method.

考题 Which statement is correct about the forwarding table?()A、The forwarding table is stored only on the PFEB、The forwarding table contains all known routesC、The forwarding table is stored on both the RE and PFED、The forwarding table is stored only on the RE

考题 You have a read-only tablespace on read-only media. You want to perform a media recovery on the existing data files, but using a backup control file. The backup control file indicates that the status of the read-only tablespace was read/write when the control file was backed up. What should you consider?()A、 take data files from the read-only tablespace offline before performing a recoveryB、 recovery using backup control file is not possible, so restore all the files from the last full database backup, and then open the databaseC、 drop the read-only tablespace and re-create the tablespace after recoveryD、 perform a recovery; status of the tablespace in control file will be changed automatically

考题 One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file.  Which operation do you need to perform after re/x7fcreating the control file and opening the database?()A、drop and re­create the read­only tablespacesB、rename the read­only data files to their correct file namesC、change the tablespace status from read/write to read­onlyD、re­create the read­only tablespace because it is automatically removed

考题 ou work as an administrator at ABC.com. The ABC.com network consists of an Active Directory forest that contains a root domain, named ABC.com, and two child domains, named us.ABC.com and uk.ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed. The root domain hosts a domain local distribution group, named ABCGroup. You are preparing to issue ABCGroup read-only access to a shared folder hosted by the us.ABC.com domain. You want to make sure that ABCGroup is able to access the shared folder in the us.ABC.com domain.  Which of the following actions should you take?()A、You should consider re-configuring ABCGroup as a universal Admins group.B、You should consider re-configuring ABCGroup as a universal security group.C、You should consider re-configuring ABCGroup as a global administrators group.D、You should consider re-configuring ABCGroup as a local administrators group.

考题 You are developing a user control for Windows Presentation Foundation (WPF) application. The user control contains a button. Both the user control and the hosting control must receive the button click event. You need to ensure that the user control responsd to the button click event before hosting control responds to the event. What should you do ?()A、Use a bubbling routed event. In the button click event handler, set the Handled property to TrueB、Use a bubbling routed event. In the button click event handler, set the Handled property to FalseC、Use a standard Microsoft .NET event. Set Handled property to true.D、Use a tunneling routed event. Set the handled property to false.

考题 单选题The evaporating pressure in R22 vapor compression refrigeration plant should be () atmospheric.A belowB aboveC equal toD much larger than

考题 单选题Which statement is true about assertion in the Java programming language?()A  Assertion expressions should not contain side effects.B  Assertion expression values can be any primitive type.C  Assertion should be used for enforcing preconditions on public methods.D  An AssertionError thrown as a result of a failed assertion should always be handled by the enclosing method.

考题 单选题The safety of the port should()in respect of a vessel properly manned and equipped,and navigated and handled without negligence and in accordance with good seamanship.A be watchedB be seenC be viewedD be inspected

考题 单选题In the Junos OS, what handles transit traffic?()A Transit traffic is handled by the RE onlyB Transit traffic is handled by the PFE onlyC Transit traffic is handled by both the RE and the PFED Transit traffic is not handled by the RE or the PFE

考题 单选题One of the tablespaces is read-only in your database. The loss of all control files forced you to re-create the control file. Which operation do you need to perform after re-creating the control file and opening the database?()A  drop and re-create the read-only tablespacesB  rename the read-only data files to their correct file namesC  change the tablespace status from read/write to read-onlyD  re-create the read-only tablespace because it is automatically removed

考题 单选题To add refrigerant to the high side of an air conditioning system, you should introduce the refrigerant through the ().A discharge service valve as a vaporB suction service valve as a liquidC charging valve as a liquidD condenser purge valve as a vapor

考题 单选题When fueling has been completed().A the fuel tank fill pipe should be left open to allow vapors to vent from the tankB the engine should be started immediately to prevent vapor lock in the fuel lineC all hatches should be opened and all compartments should be ventilatedD open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment

考题 单选题When a crankshaft has to be handled outside the engine, it should be carefully supported in a manner which will avoid () high bending moments on it.A compressingB interposingC imposingD pounding

考题 单选题When flammable liquids are handled in a compartment on a vessel,the ventilation for that area should be().A operated continuously while vapors may be presentB operated intermittently to remove vaporsC available on standby for immediate useD shut down if an explosive mixture is present

考题 单选题The ()(箱装货) should be handled by cargo tray.A bagged cargoB drummed cargoC cased cargoD packed cargo

考题 单选题One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file.  Which operation do you need to perform after re/x7fcreating the control file and opening the database?()A drop and re­create the read­only tablespacesB rename the read­only data files to their correct file namesC change the tablespace status from read/write to read­onlyD re­create the read­only tablespace because it is automatically removed