Which of the following statement(s)is/are FALSE regarding a twin pedestal crane set ________.
A.The cranes may be operated independently
B.The cranes may be interconnected for twin operation
C.The cranes are powered by independent internal combustion power units
D.All of the above
第1题:
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane ________.
A.Taglines are wire rope purchases that raise and lower the jib
B.Taglines are wire ropes for horizontal positioning of the rider block
C.Taglines can be fastened to corners of vehicles or containers
D.The crane might not have taglines installed in its rigging system
第2题:
Which of the following statements is TRUE regarding crane operations ________.
A.Radio communications allow the crane operator to disregard the use of hand signals
B.The crane operators and signalman must be familiar with the correct hand signals
C.The forward cranes can be operated from the bridge
D.The aft cranes can be operated from the aft steering station
第3题:
During which condition should be operator of a pedestal crane shutdown operations?
A.Bunkering
B.High winds
C.Potable water spill on deck
D.More than 3°list
第4题:
You executed the following commands: SQL> ALTER SESSION SET OPTIMIZER_USE_PENDING_STATISTICS = false; SQL> EXECUTE DBMS_STATS.SET_TABLE_PREFS(’SH’, ’CUSTOMERS’, ’PUBLISH’,’false’); SQL> EXECUTE DBMS_STATS.GATHER_TABLE_STATS(’SH’, ’CUSTOMERS’); Which statement is correct regarding the above statistics collection on the SH.CUSTOMERS table in the above session?()
第5题:
Lightning in the vicinity
An approaching squall line
A fire on the pier
All of the above
第6题:
The cranes may be operated independently
The cranes may be interconnected for twin operation
When twinned,the crane rotation on the foundation assembly is unlimited
All of the above
第7题:
Radio communications allow the crane operator to disregard the use of hand signals
The crane operators and signalman must be familiar with the correct hand signals
The forward cranes can be operated from the bridge
The aft cranes can be operated from the aft steering station
第8题:
Lightning
High winds
Fire aboard
All of the above
第9题:
The cranes may be operated independently
The cranes may be interconnected for twin operation
The cranes are powered by independent internal combustion power units
All of the above
第10题:
Bunkering barge alongside
Potable water spill on deck
Crane hydraulic hose bursts
Trim greater than 4 feet
第11题:
A centerline crane can never be operated in tandem
One crane is able to work one end of two adjacent hatches
These cranes are more economical and weigh less than outboard-mounted cranes
One crane is able to work both sides of the ship
第12题:
assert true;
assert false;
assert false : true;
assert false == true;
assert false: false;
第13题:
Which wire rope purchases may be used with a 30-ton pedestal crane ________.
A.Hoist
B.Luff
C.Rider block
D.All of the above
第14题:
During which condition should the operator of a pedestal crane shutdown operations ________.
A.Bunkering barge alongside
B.Potable water spill on deck
C.Crane hydraulic hose bursts
D.Trim greater than 4 feet
第15题:
public class Test{ public static void main( String[] argv ){ // insert statement here } } Which statement, inserted at line 3, produces the following output?() Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)
第16题:
Taglines are wire rope purchases that raise and lower the jib
Taglines are wire ropes for horizontal positioning of the rider block
Taglines can be fastened to corners of vehicles or containers
The crane might not have taglines installed in its rigging system
第17题:
It allows for rotation of the hook in the single mode
It is required to“twin-up”30-ton pedestal cranes
It is used to pick up light loads
It is used to rigidly connect two cranes
第18题:
The average (arithmetic mean) of set S
The median of set S
The mode of set S
The range of set S
The standard deviation of set S
第19题:
The statistics are stored in the pending statistics table in the data dictionary.
The statistics are treated as the current statistics by the optimizer for all sessions.
The statistics are treated as the current statistics by the optimizer for the current sessions only.
The statistics are temporary and used by the optimizer for all sessions until this session terminates.
第20题:
Bunkering
High winds
Potable water spill on deck
第21题:
Let go of both control levers and return to neutral position
Press the emergency stop
Notify the mate on watch
All of the above
第22题:
Do not exceed rated load capacity of crane and container spreader or slings
During any cargo handling operation,the safety of personnel is paramount
Cargo handlers must be outfitted with adequate protection from personal injury
All the above
第23题:
If one screw is stopped,the ship will turn toward the side of the stopped screw
The principal force which turns the ship is set up by the wake against the forward side of the rudder
Turning response by use of the rudder only is greater than on a single-screw vessel
With the rudder amidships,the ship will steer a fairly steady course