The length of chain between the anchor and the end of the pendant line is called the（）.

A . of the wave's crest B . of the wave's trough C . measured from crest to trough D . measured from crest to crest

A . detachable link B . stud link C . Kenter link D . connection link

A . Oil Rig chain and Oil Field Stud Link chain B . Flash-butt welded chain and Di-Lok chain C . Flash-butt welded chain and Oil Rig chain D . Oil Field Stud Link chain and Flash-butt welded chai

A . They consist of one or more Scheduler programs. B . They are used to implement dependency scheduling. C . They are used to implement time-based scheduling. D . They are used to implement event-based scheduling. E . None of the above.

A . five to seven times the depth of water B . seven to ten times the depth of water C . twice the depth of water D . twice the depth of water plus the range of tide

A . It requires anchor handling boats with more horsepower B . Chain chasers work in shallow water only C . Chain chasers will not work with piggyback anchors D . It takes longer to deploy anchors using chain chaser

A . cradle B . draft C . harping D . manger

A . shorter than the rowing oars B . the same length as the rowing oars C . longer than the rowing oars D . unrelated to the length of the rowing oar

A . expected towing forces B . capability of retrieving gear C . freeboard of the unit being towed D . need to reduce yaw

A . Breaking strength of the chain B . Strength of the chain to a specified limit C . Adequate holding power for new bottom conditions D . Safe working load of the chai

A、Cranes B、Winches C、Capstans D、Windlass

A . prevent fouling of the anchor B . decrease swing of the vessel C . prevent dragging of the anchor D . reduce strain on the windla

A .  They consist of one or more Scheduler programs. B .  They are used to implement dependency scheduling. C .  They are used to implement time-based scheduling. D .  They are used to implement event-based scheduling. E .  None of the above.

A . Length of link in inches B . Diameter of metal in link in inches or centimeters C . Links per fathom D . Weight of stud cable in pound

A . RIPv1 B . EIGRP C . OSPF D . IGRP E . RIPv2

A . longitudinal girders B . transverse girders C . fore girders D . aft girder

A . 64 bytes B . 128 bytes C . 64 bits D . 128 bits

是 否

A．preload B．active tension C．the difference between the preload and afterload D．afterload E．sum of preload and afterload