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)
A tug may be in danger of tripping when ______.
A.towed sideways by an overwhelming force on the towline
B.her tow moves parallel to and forward on either side of the tug
C.the tow is no longer directly astern but moves up on her quarter
D.All of the above
参考答案
更多 “ A tug may be in danger of tripping when ______.A.towed sideways by an overwhelming force on the towlineB.her tow moves parallel to and forward on either side of the tugC.the tow is no longer directly astern but moves up on her quarterD.All of the above ” 相关考题
考题
What is the danger associated with stopping a running job by using the STOP_JOB procedure?()
A. The job will need to be reenabled before it will execute again.B. The job may hold locks on objects referenced within it.C.All jobs within the job group will also be stopped.D. The job may leave data in an inconsistent state.E. There is no danger in using the STOP_JOB procedure.
考题
A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is ______.A.from the ship's propeller when making up aftB.from being overrun if making up forwardC.hull damage while alongside passing a hawserD.getting in a tripping position
考题
With a large tow astern,there is immediate danger to the tug in the event of the ______.A.Tug losing powerB.Tow line partingC.Bridle twistingD.Tow broaching
考题
The lifeboat releasing gear lever should be marked with the words ______.A.DANGER,DO NOT TOUCHB.DANGER,BOAT MAY DROPC.DANGER,LEVER RELEASES BOATD.DANGER,LEVER DROPS BOAT
考题
For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force ______.A.only when there is positive stabilityB.only when there is negative stabilityC.only when there is neutral stabilityD.at all times
考题
The use of wrong medicine may present a hazard to the patients.A:protection B:indicationC:immunity D:danger
考题
According to the passage,mathematicians present a danger to scientists for which of the following reasons?( ) A.Mathematicians may provide theories that are incompatible with those already developed by scientists
B.Mathematicians may define situation in a way that is incomprehensible to scientists
C.Mathematicians may convince scientists that theoretical assumptions are facts
D.Scientists may begin to provide arguments that are convincing but imprecise
考题
单选题A tropical cyclone has recurved and entered temperate latitudes. In the Northern Hemisphere when a large high pressure system lies north of the storm,what situation may occur?()A
The low may suddenly deepen,and the cyclone intensify and pick up speedB
The left semicircle may become the dangerous semicircleC
The low and the high may merge and cancel out the weather characteristics of eachD
The high may force the cyclone to reverse its track
考题
单选题Although manual plotting for CPA works well,the workload can become overwhelming when confronted with().A
one targetB
two targetsC
three targetsD
a large number of targets
考题
单选题The Rules state that vessels may depart from the Rules when().A
there are other vessels in the vicinityB
operating in a traffic separation schemeC
engaged in a situation involving more than two vesselsD
necessary to avoid immediate danger
考题
单选题The center of buoyancy and the metacenter are in the line of action of the buoyant force().A
only when there is positive stabilityB
only when there is negative stabilityC
only when there is neutral stabilityD
at all times
考题
单选题The platform that supports the derrickman when tripping pipe is called the().A
Texas deckB
water tableC
stabbing boardD
monkey board
考题
单选题The catenary().A
acts as a reserve length of towing hawser when the tug applies more power,and it dampens the surge effect of the towB
gives an approximation of the amount of strain on the towing hawserC
is the dip in the towing hawser between the tug and the towD
All of the above
考题
单选题How do the height and location of a tug’s towing bitts relate to the danger of tripping?()A
The further forward and closer to amidships the more readily the tug will tripB
Placement further aft permits more effective pulling,better steering and eliminates the danger of trippingC
Installing the bitts down low lowers the center of gravityD
The height and position of towing bitts has no significance
考题
单选题A tug is to assist in docking an oceangoing vessel on a hawser. The greatest danger to the tug is ().A
from the ship's propeller when making up aftB
from being overrun if making up forwardC
hull damage while alongside passing a hawserD
getting in a tripping position
考题
单选题Which statement is TRUE concerning the danger signal?().A
When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signalB
Only the stand-on vessel can sound the danger signalC
Distress signals may be used in place of the danger signalD
The danger signal consists of 4 or more short blasts of the whistle
考题
单选题Which statement is TRUE concerning hawser towing? ()A
The catenary in a hawser should be sufficient so that the hawser just touches the bottomB
The hawser is of sufficient length for towing when taut between tug and towC
Increasing speed usually increases the catenary in the hawserD
Shortening the tow hawser generally decreases the maneuverability of the tug
考题
单选题What is the role the T5 plays?A
Throttles up and down to counteract the buffeting from air molecules.B
Feels the subtle variations in Earth’s tug.C
Helps accelerometers surive the launchD
Provides powerful force to counteract the drag on Goce.
考题
单选题A towing vessel is tripped when().A
it is overtaken by the towB
it is pulled sideways by the towC
the weight of the towing hawser causes loss of maneuverabilityD
the propeller is fouled by the towing hawser
考题
单选题When connecting the tow bridle to a tug, the end of the bridle is passed with a().A
heaving lineB
shot lineC
high lineD
messenger line
考题
单选题To reduce the amount of catenary you may().A
shorten the hawser or increase the tug's speedB
lengthen the hawser or reduce the tug's speedC
place your tug in ironsD
make a sharp turn
考题
单选题The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when().A
decelerating when lowering the loadB
decelerating when raising the loadC
lowering the load at constant speedD
raising the load at constant speed
考题
单选题A tug may be in danger of tripping when().A
towed sideways by an overwhelming force on the towlineB
her tow moves parallel to and forward on either side of the tugC
the tow is no longer directly astern but moves up on her quarterD
All of the above
考题
单选题For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force().A
only when there is positive stabilityB
only when there is negative stabilityC
only when there is neutral stabilityD
at all times
考题
单选题What is the danger associated with stopping a running job by using the STOP_JOB procedure?()A
The job will need to be reenabled before it will execute again.B
The job may hold locks on objects referenced within it.C
All jobs within the job group will also be stopped.D
The job may leave data in an inconsistent state.E
There is no danger in using the STOP_JOB procedure.
考题
单选题The rules state that vessels may depart from the requirements of the Rules when().A
there are no other vessels aroundB
operating in a narrow channelC
the Master enters it in the ship's logD
necessary to avoid immediate danger
考题
单选题When a vessel has positive stability,the distance between the line of force through B and the line of force through G is called the().A
metacentric heightB
righting armC
righting momentD
metacentric radius
热门标签
最新试卷