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
When fueling has been completed（）.
A
the fuel tank fill pipe should be left open to allow vapors to vent from the tank
B
the engine should be started immediately to prevent vapor lock in the fuel line
C
all hatches should be opened and all compartments should be ventilated
D
open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
参考答案
参考解析
解析：
暂无解析
更多 “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” 相关考题
考题
Which of the following networking methods allows us to show that the last % of one element cannot be completed until % of a previous element has been completed?A.PERTB.ADMC.PDMD.All of the above.E.A and C only.
考题
161 Which of the following networking methods allows us to show that the last 10% of one element cannot be completed until 62% of a previous element has been completed?A. PERTB. ADMC. PDMD. All of the above.E. A and C only
考题
43 Which of the following networking methods allows us to show that the last 10% of one element cannot be completed until 62% of a previous element has been completed?A. PERTB. ADMC. PDMD. All of the above.E. A and C only.
考题
It has been over a century _______ the railway was completed.
(A)when(B) once(C) which(D) since
考题
When I arrived in London, it _______
(A) has been raining(B) rained(C) was raining(D) has rained
考题
When data() , it has to be analyzed to decide what it all means.
A.had been collectedB.has collectedC.has been collected
考题
When we got there, the meeting()for half an hour.
A. has been onB. has onC. was onD. had been on
考题
The loss has not yet been accurately, but it is believed to be well beyond a hundred million dollars.A. calculated B. considered C. completed D. controlled
考题
The correct procedure for giving an auxiliary boiler a bottom blow, is to begin .A.when the boiler has been secured long enough for most solids to settleB.when the boiler has been cooled to ambient temperatureC.only after raising the water level to within 0.5 inch of the high water cutout onlyD.after bypassing the low pressure
考题
The rocket will weigh about 200 tons when _____.A. being completedB. completedC. completingD. have been completed
考题
_____, water turns into ice.A、When freezingB、When frozenC、When it has been frozenD、When freezes to it
考题
When William hurried home, he found that his mother ____already ____to hospital.A、has; been sentB、had; sentC、has; sentD、had; been sent
考题
After a fire has been extinguished in a closed space, personnel may safely enter the space whenA.smoke density has been decreased sufficiently to see the bulkhead opposite the compartment's entranceB.a lifeline and explosion proof flash light are usedC.all smoke and toxic fumes are removed and an adequate oxygen supply is presentD.overhaul has been completed to remove any possible source of re-ignition
考题
During OSPF adjacency formation, in which state is a router in when an OSPF hello packet has been sent but bi－directional communication has not been achieved?()
A.AB.BC.CD.D
考题
Where there has been delay in carrying goods， the measure of damages ________ generally the difference between the market value of the goods at the time when they ought to have been delivered and the time when they were in fact delivered．A.haveB.hasC.areD.is
考题
Why does Mr. Nixson want to begin a career in the employment industry?A.The field has a lot of potential in the future
B.He has been unable to find employment elsewhere
C.He has just completed a college course in that field
D.The employment industry is the most stable in the nation
考题
—Why was he so hot when he got home
—He________.A.was running
B.is running
C.has been running
D.had been running
考题
The Acme company has determined that during its busiest hours， the average number of internal VoIP calls across the WAN link is four （4）. Since this is an average， the WAN link has been sized for six （6） calls with no call admission control. What will happen when a seventh call is attempted across the WAN link？ （）A、the seventh call is routed via the PSTNB、the call is denied and the original six （6） calls remainC、the call is completed and the first call is droppedD、the call is completed， but all calls have quality issuesE、the call is completed but the seventh call has quality issues
考题
So far the construction of the two new bridges over the river （）.A、have been completedB、has been completedC、has completedD、have completed
考题
For which three events can web application event listeners be registered？（）A、When a session is createdB、After a servlet is destroyedC、When a session has timed outD、When a cookie has been createdE、When a servlet has forwarded a requestF、When a session attribute value is changed
考题
单选题Purging air from a hydraulic system is necessary when（）A
adding small amounts of oil to the systemB
the system has been overheatedC
the system has been drained and then filled with new oilD
the system has been idle for a long period of time
考题
单选题A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.A
proceed with fueling operationB
have helicopter move to a safer locationC
wash spilled fuel away with a flood of waterD
clean spilled fuel with rags
考题
单选题After a fire has been extinguished in a closed space, personnel may safely enter the space when （）.A
smoke density has been decreased sufficiently to see the bulkhead opposite the compartments entranceB
a lifeline and explosion proof flash light are usedC
all smoke and toxic fumes are removed and an adequate oxygen supply is presentD
overhaul has been completed to remove any possible source of re-ignition
考题
单选题（）loading has not been completed，the Charterer is entitled to delay the vessel’s sailing until the expiration of lay time.A
As long soB
So longC
As longD
So long as
考题
单选题Why does Mr. Nixon want to begin a career in the employment industry?A
The field has a lot of potential in the future.B
He has been unable to find employment elsewhere.C
He has just completed a college course in that field.D
The employment industry is the most stable in the nation.
考题
单选题The Acme company has determined that during its busiest hours， the average number of internal VoIP calls across the WAN link is four （4）. Since this is an average， the WAN link has been sized for six （6） calls with no call admission control. What will happen when a seventh call is attempted across the WAN link？ （）A
the seventh call is routed via the PSTNB
the call is denied and the original six （6） calls remainC
the call is completed and the first call is droppedD
the call is completed， but all calls have quality issuesE
the call is completed but the seventh call has quality issues
考题
单选题The distance a vessel moves at right angles to the original course，when a turn of 180°has been completed，is called the（）.A
advanceB
pivoting pointC
tactical diameterD
kick
热门标签
最新试卷