A chain bridle is used when towing astern because it（）.

A . A bitt B . A bulkhead C . A V-spring D . A fishplate

A . bight ring B . tow hook C . fishplate D . swivel

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

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 . devil's claw B . bull gear C . wildcat D . cat head

A . removed from the anchor chain B . connected to a buoy at the anchor C . stripped back to the rig and secured D . connected to a buoy halfway down the chai

A . clean anchor chain as it's hauled in B . recover anchors which have lost their buoys C . run and retrieve anchors D . prepare anchor chain for inspectio

A . provide elasticity B . increase the strength C . reduce the cost D . reduce the weight

A . Chain lever B . Buckle tensioner C . Adjust-a-matic tensioner D . Ratchet tensioner

A . Flame safety lamp B . Combustible gas indicator C . Oxygen indicator D . H S meter

A . prevent chain from clinging to the wildcat B . clean the marine debris from the chain C . flake chain from a boat's chain locker D . clean chain prior to an x-ray inspectio

A . Detachable B . Open C . Pear shaped D . Stud link

A . one-half the SWL of the main towing hawser B . three-fourths the SWL of the main towing hawser C . that of the main towing hawser D . twice that of the main towing hawser

A . It makes for an easy connection B . It gives a spring effect to cushion the shock C . It eliminates the necessity of a swivel D . It does not chafe

A . The amount of take-up is limited by the length of the turnbuckle B . At the grab (pear) link，the slack end of chain should be led back and secured to the chain above the link C . The lashings should be inspected each day and any slack taken up D . The turnbuckle should be secured with a stick or lock nut

A . breakout wrench B . makeup tongs C . chain tongs D . pipe spinner

A . It is the first module in the partner module chain in Web Services Security Management （WSSM）. B . It is the last module in the partner module chain in WSSM. C . It is the first module in the application module chain for partner. D . It is the last module in the application module chain for the partner.

A . A winch B . A windlass C . A deck crane D . A lifeboat engine

A . sprocket B . Kenter link C . swivel D . end shackle

A . slide rule B . go-no-go gauge C . derrick tape D . amp probe

A . Is easy to connect B . Provides an effective catenary and absorbs shock due to its weight C . Makes rigging a swivel unnecessary D . Prevents the tow from yawing by the drag of the chains in a seaway