When viewed from above，the best position for the guy in relation to the boom is ______．A.At a 45° angleB.At right anglesC.4 feet aft of the heel of the boomD.Parallel to the boom
When viewed from above，the best position for the guy in relation to the boom is ______．
A.At a 45° angle
B.At right angles
C.4 feet aft of the heel of the boom
D.Parallel to the boom
相关考题：
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
When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?A.Once a dayB.At the change of every watchC.Only when in fresh or brackish waterD.Prior to getting underway
EXCEPT when suffering from a head or chest injury a patient in shock should be placed in which position? ______.A.Head up and feet downB.Head down and feet upC.Flat on back with head and feet elevatedD.Arms above the head
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
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
When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?A.Once a dayB.At the change of every watchC.Only when in fresh or brackish waterD.Prior to getting underway
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
The preventer guy，as used on a conventional yard and stay rig，______．A.Is rigged at an angle of 70° to 90° from the guy it assistsB.Takes the strain imposed on the schooner guy when burtoning cargoC.Is rigged when lifting cargo that exceeds the SWL of a single whipD.Should take the strain if the regular guy parts
What does “evel-luffing” accomplish during crane operations ________．A.It prevents the load from swinging when the boom level is adjustedB.Less power is needed when topping the boom with a load on the hookC.It maintains the height of the load above the deckD.All of the above
吊杆停用时，稳索必须要收起来。（）A、When the derrick is stopped, the guy must be stowed.B、When the derrick is stopped, the guy must be topped.C、When the derrick is stopped, the guy must be lowered.D、When the guy is stopped, the derrick must be stowed.
单选题EXCEPT when suffering from a head or chest injury a patient in shock should be placed in which position?（）.AHead up and feet downBHead down and feet upCFlat on back with head and feet elevatedDArms above the head
单选题Which action(s) is/are included in crane operations?（）ANormal boom stowage and shutdown operationsBEmergency shutdown operationCRemoving booms from stowageDAll of the above
单选题The boom stops on a pedestal crane prevent the boom from（）.Abeing raised too highBswinging at seaCoverloading when not in useDbeing lowered too low
单选题The process of lowering a boom to a horizontal position and onto its deck support is called（）.Aspotting a boomBcollaring a boomCcradling a boomDtoppling a boom
单选题The boom stops are installed on an offshore crane to（）.Aprevent the boom from being raised too highBprevent the boom from swingingCsupport the boom when not in useDprevent the boom from being lowered
单选题If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should（）.Alet the schooner guy take most of the strain，thus transferring the load to the opposite boomBleave the preventer guy slackCsecure them as close together as possible on deckDsecure them so the angle between them is 90°at the boom head
单选题The boom indicator tells the operator at what angle the boom is compared to the（）.Ahorizontal position of the boomBvertical position of the boomChorizontal position of the load being liftedDvertical position of the load being lifted
单选题When must the Master of a vessel log the position of load line marks in relation to the surface of the water in the Official Logbook?（）AOnce a dayBAt the change of every watchCOnly when in fresh or brackish waterDPrior to getting underway
单选题When viewed from astern, if the propeller revolves in a clockwise direction when going ahead, it is known as （）.Aahead directionBastern directionCright-handedDleft-handed
单选题The preventer guy，as used on a conventional yard and stay rig，（）.Ais rigged at an angle of 70°to 90°from the guy it assistsBtakes the strain imposed on the schooner guy when burtoning cargoCis rigged when lifting cargo that exceeds the SWL of a single whipDshould take the strain if the regular guy parts
单选题The inner cloud bands of a hurricane，when viewed from a distance，form a mass of dense，black cumulonimbus clouds called the（）.Abar of the stormBeye of the stormCfunnelDfront
单选题When viewed from above，the best position for the guy in relation to the boom is（）.AAt a 45° angleBAt right anglesC4 feet aft of the heel of the boomDParallel to the boom
单选题What does “evel-luffing” accomplish during crane operations（）.AIt prevents the load from swinging when the boom level is adjustedBLess power is needed when topping the boom with a load on the hookCIt maintains the height of the load above the deckDAll of the above
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（）.AAbreast the heelBAt right angles to the boom when viewed from aboveCAft of the heelDForward of the spiderband
单选题When fighting a fire in an enclosed space，the hose team should crouch as low as possible to（）.Aprotect themselves from smokeBobtain the best available airCallow the heat and steam to pass overheadDAll of the above
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（）.Aabreast the heelBat right angles to the boom when viewed from aboveCaft of the heelDforward of the spiderband
单选题When must the Master or person in charge of a ship log the position of load line marks in relation to the surface of the water in the logbook?（）AOnce a dayBAt the change of every watchCOnly when in fresh or brackish waterDPrior to getting underway