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
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
A
boom
B
lift
C
raise
D
tackle
参考答案
参考解析
解析：
暂无解析
更多 “单选题A tackle by which the outer end of a boom is raised and lowered is the topping（）.A boomB liftC raiseD tackle” 相关考题
考题
A band or collar on the top end of a boom to which the topping lift，midships guy，and outboard guys are secured，is called the ______.A.collar bandB.guy bandC.pad eye collarD.spider band
考题
The boom stops are installed on an offshore crane to ______.A.prevent the boom from being raised too highB.prevent the boom from swingingC.support the boom when not in useD.prevent the boom from being lowered
考题
With a given load on the cargo hook，the thrust on a cargo boom ______.A.increases as the angle to the horizontal increasesB.increases as the angle to the horizontal decreasesC.is greatest at an angle of 45° and decreases as the boom is raised or loweredD.is least at an angle of 45° and increases as the boom is raised or lowered
考题
The boom stops on a pedestal crane prevent the boom from ______.A.being raised too highB.swinging at seaC.overloading when not in useD.being lowered too low
考题
Which fitting is used to connect the boom to the mast?A.Clevis pinB.Gunter-lugC.GooseneckD.Transom
考题
Which statement is FALSE regarding the operation of a crane ________．A.The crane jib is raised and lowered by the luffing winchB.The cargo block is raised and lowered by the hoisting winchC.The cargo block is raised and lowered by the luffing winchD.None of the above
考题
In a married falls rig at the after end of a hatch，a boom is rigged in a fore and aft line through its heel．Stresses on the outboard guy will be LEAST if the guy is made fast at a point ______．A.Abreast the heelB.At right angles to the boom when viewed from aboveC.Aft of the heelD.Forward of the spiderband
考题
When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to ______．A.winch speedB.boom strengthC.load radiusD.cable strength
考题
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system ________．A.GuyB.ShroudC.SpiderD.Topping lift
考题
Which three security concerns can be addressed by a tunnel mode IPsec VPN secured by ESP?（） (Choose three.)A、data integrityB、data confidentialityC、data authenticationD、outer IP header confidentialityE、outer IP header authentication
考题
Companycom is purchasing a 64-way p5 595. They have determined the location for the server is in a datacenter which does not have a raised floor. Which of the following would best meet the server requirements?（）A、The server must be installed into a location with a raised floor for optimum system cooling and cable management.B、The server should be purchased as a p5 590 and then upgraded to a p5 595. This will eliminate the need for a raised floor environment.C、The server should be purchased as 32-way p5 595 and then upgraded to a 64-way. This will eliminate the need for a raised floor environment.D、The server can be installed into a location without a raised floor if an RPQ is obtained. It is a strong IBM recommendation for a raised floor, not a requirement.
考题
Which three security concerns can be addressed by a tunnel mode IPsec VPN secured by ESP？（）A、data integrityB、data confidentialityC、data authenticationD、outer IP header confidentialityE、outer IP header authentication
考题
单选题Which fitting is used to connect the boom to the mast? （）A
Clevis pinB
Gunter-lugC
GooseneckD
Transom
考题
多选题Which two statements are true regarding the execution of the correlated subqueries？（）AThe nested query executes after the outer query returns the row.BThe nested query executes first and then the outer query executes.CThe outer query executes only once for the result returned by the inner query.DEach row returned by the outer query is evaluated for the results returned by the inner query.
考题
单选题A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?（）.A
A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicableB
A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicableC
A vessel shall avoid proceeding along the channel because it is not safe and practicableD
A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable
考题
单选题The boom stops on a pedestal crane prevent the boom from（）.A
being raised too highB
swinging at seaC
overloading when not in useD
being lowered too low
考题
单选题A band or collar on the top end of a boom which the topping lift, midships guy, and outboard guys are secured, is called the（）.A
collar bandB
guy bandC
pad eye collarD
spider band
考题
单选题Which statement is TRUE concerning the gooseneck（）.A
It is a sailing maneuver which brings the vessel's head through the windB
It connects the boom to the mast and allows the boom to swing freelyC
It is a sailing condition where there is a loss of air flow over the sailsD
None of the above
考题
单选题The boom stops are installed on an offshore crane to（）.A
prevent the boom from being raised too highB
prevent the boom from swingingC
support the boom when not in useD
prevent the boom from being lowered
考题
单选题The control rod of a steering gear pump is attached at its outer end to （）.A
the hunting gearB
the rudder stockC
the rudder controllerD
the feedback unit
考题
单选题The tackle that raises and lowers the boom is（）.A
the cargo fallB
The cargo hoisting wire ropeC
the topping liftD
the cargo whip
考题
单选题With a given load on the cargo hook，the thrust on a cargo boom（）.A
increases as the angle to the horizontal increasesB
increases as the angle to the horizontal decreasesC
is greatest at an angle of 45° and decreases as the boom is raised or loweredD
is least at an angle of 45° and increases as the boom is raised or lowered
考题
单选题In a married falls rig at the after end of a hatch，a boom is rigged in a fore and aft line through its heel.Stresses on the outboard guy will be LEAST if the guy is made fast at a point（）.A
Abreast the heelB
At right angles to the boom when viewed from aboveC
Aft of the heelD
Forward of the spiderband
考题
单选题A metal ring on the bottom of a block，to which the standing part of a tackle is spliced，is known as a(n)（）.A
becketB
loopC
swivelD
eye
考题
单选题In a married falls rig at the after end of a hatch , a boom is rigged in a fore and aft line through its heel . Stresses on the outboard guy will be least if the guy is made fast at a point（）.A
abreast the heelB
at right angles to the boom when viewed from aboveC
aft of the heelD
forward of the spiderband
考题
单选题Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.A
GuyB
ShroudC
SpiderD
Topping lift
热门标签
最新试卷