According to Elshtain, the current moral decline may be reversed ________.A) if peo

A pelican hook ______.

A.can be released while under strain

B.is used for boat falls

C.is used for extra heavy loads

D.is used for light loads only

In a general cargo crane, three principal movements are _____; _____; _____.

A.hoisting/luffing/slewing

B.lifting/raising/lowering

C.rotating/raising/handling

D.hosting/lowering/moving

A．Window消息Hook

B．DLL HOOK

C．Inline Hook

D．IAT Hook

A hook that will release quickly is a ______.

A.longshore hook

B.margin hook

C.marginal hook

D.pelican hook

Tally sheet(hook)

Mousing a cargo hook with marline or small line ______.

A.increases the lifting capacity of the hook

B.protects the hook from the sling ring

C.prevents the sling ring from coming out of the hook

D.All of the above

A．IAT Hook

B．SSDT Hook

C．Inline Hook

D．SSDT Shadow Hook

What is the purpose of the equalizing beam aboard a crane vessel ________．

A.It allows for rotation of the hook in the single mode

B.It is required to“twin-up”30-ton pedestal cranes

C.It is used to pick up light loads

D.It is used to rigidly connect two cranes

A．HOOK/CY

B．HOOK/HOOK

C．CFS/CFS

D．CY/CFS