A.slipway
B.graving dock
C.ground warp
D.caisson dock
您可能感興趣的試卷
你可能感興趣的試題
A.Moving high weights lower
B.Adding weight at the tipping center
C.Moving a weight forward
D.Moving lower weight high
最新試題
What does “evel-luffing” accomplish during crane operations().
Damage by()shall not be considered as handling damage.
Regulations concerning the stowage,lashing,and securing of timber deck cargoes aboard general cargo vessels may be found in the().
What is the purpose of the equalizing beam aboard a crane vessel().
When instructing a crew member concerning the right way to lift a weight,you would instruct him to().
They()loading at 1400 hours.
Most pedestal crane power is provided by().
If an attempt is made to hoist a load that exceeds the capacity of an electric winch,an overload safety device causes a circuit breaker to cut off the current to the winch motor().
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane().
Running an electric winch at slow speed over a long period of time causes().