胁变(strain)
第1题:
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 assists
B.Takes the strain imposed on the schooner guy when burtoning cargo
C.Is rigged when lifting cargo that exceeds the SWL of a single whip
D.Should take the strain if the regular guy parts
第2题:
In anchoring orders, WALK BACK THE CHAIN means ______.
A.pay away the chain
B.check up the chain
C.take a strain on the chain
D.take in the chain
第3题:
第4题:
“Stress”and“strain”的意义分别是()
第5题:
胁变(strain)
第6题:
品系(strain)
第7题:
Coisogenic inbred strain:突变同源近交系/同源突变近交系
第8题:
sluice the line
surge the line
stopper the line
slip the line
第9题:
应力和应变;
应变和应力;
应力和变形
第10题:
A round turn on the bitt farthest from the strain and then figure eights
A round turn on the bitt closest to the strain and then figure eights
Figure eights and then a round turn at the top of both bitts
Only figure eights are necessary on both bitts
第11题:
increases the strength of the hook
prevents the sling ring from coming out of the hook if the strain is abruptly eased
prevents the sling ring from coming out of the hook if there is a strain on the sling ring
All of the above
第12题:
ensure the bight is not fouled between the ship and the dock by taking up slack
pay out slack smartly and keep free for running
secure more turns to hold the line against any strain,then clear the area
surge the line so that it maintains a strain without parting
第13题:
A wire rope that has been overstrained will show ______.
A.a bulge in the wire where the strain occurred
B.a decrease in diameter where the strain occurred
C.a kink in the wire where the strain occurred
D.no visible effects of an overstrain
第14题:
In order to pay out or slack a mooring line which is under strain, you should ______.
A.sluice the line
B.surge the line
C.stopper the line
D.slip the line
第15题:
nbred strain animals:近交系动物
第16题:
照顾者压力指数(Caregiver Strain Index)的评分原则?
第17题:
Strain breeding(菌种选育)
第18题:
同源突变近交系(coisogenic inbred strain)
第19题:
异单基因近交系(Colsognic Inbred Strain)
第20题:
credence
credulity
credibility
creed
第21题:
start towing by pushing ahead
abandon the towing vessel
retrieve the tow bridle
relieve strain on the retrieving line
第22题:
not exceed bare steerageway during the transit
take a strain as soon as you can to control the tow
come up to speed very slowly and maintain a safe speed
come up to speed quickly,then cut back power considerably to ease the strain
第23题:
第24题: