Cargo booms must be weight tested to recertify the Safe Working Load(SWL)every ______.
A.Year
B.Two years
C.Four years
D.Five years
第1题:
When a cargo boom or crane is rated at varying capacities,there will be a table at the controls which relates safe working load to ______.
A.winch speed
B.boom strength
C.load radius
D.cable strength
第2题:
“SWL” means ().
第3题:
day
week
month
year
第4题:
Safe working load
Ship's working lift
Starboard wing lift
Stress,weight,load
第5题:
5 tons
5 metres
5 feet
5 years
第6题:
advised
to be advised
be advised
are advised
第7题:
after torque causes line pull to exceed the rated capacity of the winch
before the line pull reaches the rated capacity of the winch
when the line pull reaches the breaking strength of the fall
before the safe working load of the fall is reached
第8题:
Signal wave letters
Ship without light
Safe water line
Safe working load
第9题:
a representative of the Captain of the Port
the operator of the vessel or facility
a representative of the National Cargo Bureau
low inert gas temperature
第10题:
5 times the maximum working pressure on the hose during cargo transfer
one half the designed working pressure
4 times the pressure of the cargo pump used for transferring
5 times the minimum working pressure on the hose during cargo transfer
第11题:
single derrick
derrick
heavy derrick
deck
第12题:
year
two years
four years
five years
第13题:
In relation to cargo gear, what does SWL mean ?______.
A.Safe working load
B.Ship’s working lift
C.Starboard wing lift
D.Stress, weight, load
第14题:
above
below
equal to
uncertain
第15题:
Safe working load
Ships working lift
Starboard wing lift
Stress , weight , load
第16题:
6 months
12 months
18 months
24 months
第17题:
one-half the SWL of the main towing hawser
three-fourths the SWL of the main towing hawser
that of the main towing hawser
twice that of the main towing hawser
第18题:
removed
rigged in
readjusted
tested
第19题:
he must procure a cargo and bring it alongside the vessel
he must load a full and complete cargo
he must load in the time stipulated
he must have the vessel tightly secured to the quay where the loading is to take place
第20题:
safe working load
safe work load
safe worked load
safely working load
第21题:
a representative of the Captain of the Port
the operator of the vessel or facility
a representative of the National Cargo Bureau
a representative of the American Bureau of Shipping
第22题:
deck
head of the boom
heel of the boom
mast or king post
第23题:
a month
in each week
in every 6 months
in every 12 months