[单项选择]An advantage of nylon rope over manila rope is that nylon rope（）.
A. can be used in conjunction with wire or spring-lay rope
B. can be stored on decks exposed to sunlight
C. can hold a load even when a considerable amount of the yarns have been abraded
D. gives audible warning of overstress whereas manila does not

[单项选择]An advantage of nylon rope over manila rope is that nylon rope（）.
A. can hold a load even when a considerable number of the yarns have been abraded
B. can be stored on deck，exposed to sunlight
C. can be used in conjunction with wire or spring-lay rope
D. gives audible warning of overstress whereas manila does not

[单项选择]An advantage of nylon rope over manila is that nylon rope（）.
A. can be used in conjunction with wire or spring-lay rope
B. can be stored on decks exposed to sunlight
C. can hold a load even when a considerable amount of the yarns have been abraded
D. gives audible warning of overstress whereas manila does not

[单项选择]Nylon rope is often used in the makeup of a towline because it（）.
A. floats
B. stretches
C. handles easily
D. resists rot

[单项选择]One advantage of chain over wire rope for a tow bridle is that chain（）.
A. is better suited for inland towing
B. resists damage from chafing
C. handles more easily
D. equalizes towing forces better

[单项选择]The final inspection responsibility for seeing that a tank barge is provided with the required equipment and fittings in good and serviceable condition prior to loading cargo rests with the （）.
A. terminal operator
B. owner of the barge
C. tankerman or person in charge of loading
D. charterer through the Master of the towing vessel

[单项选择] You are developing a Windows Forms application that contains a DataGridView control. The DataGridView capture the customer's name, address, and phone number. You have been asked to provide data validation in a DataGridView to prevent users from leaving the.. You need to ensure that users cannot tab out of the name field without entering data What should you do ?（）
A.  Validate the name field in the CellValidating event. Set e.Cancel = true if the name field is
B.  Validate the name field in the CellErrorTextChanged event. Get e.RowIndex if the name field ..
C.  Validate the name field in the CellEnter event. Set the focus on the name field if the name ...
D.  Validate the name field in the CancelRowEdit event. Set the focus on the name field if the name ...

[单项选择]The magnetic compass operates on the principle that（）.
A. like magnetic poles attract
B. unlike magnetic poles repel
C. unlike poles attract
D. the poles of the compass line up with the geographic poles of the earth

[单项选择]Routine radio communications should be no more than（）.
A. one minute
B. three minutes
C. five minutes
D. eight minutes

[单项选择]Charter-party usually contains a clause states that payment must be made in cash without discount every 30 days in advance，and that in default of payment the shipowners have the right to（）the vessel from the Charterers service.
A. send
B. withdraw
C. let go
D. take off

[单项选择]Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include（）.
A. approved oily-water separating equipment
B. a fixed or portable containment system at the shore connection
C. a spare pump in case the main pump is inoperative
D. at least one outlet accessible from the weather deck

[单项选择]Young children are harsh food critics - things that they like are “ yummy ”, while everything else is just “yucky.”（）
A. 年幼的孩子是苛刻的食物批评家–他们喜欢的食物就是“美味佳肴”，而其他一切都“令人讨厌”。
B. 幼童说话语气不小，美食评论张口便叫，只要喜欢就是“美妙”，一不喜欢就让“丢掉”。
C. 小孩是很严厉的美食评论家，他们喜欢吃的食物就是“美味”，其余的都是“垃圾”。
D. 儿童都是美食家，批评起来毫不留情：喜欢的东西就是“好吃的”，其他的都是“难吃的”。

[单项选择]Stuffer-braid rope has（）.
A. a yarn core
B. no core
C. three strands
D. 12 threads

[单项选择]Owing to the greater girth of a ship amidships than at the ends，certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends. These strakes are called（）.
A. drop strakes
B. stealers
C. throughs
D. voids

[单项选择]What is the accepted standard for wire rope falls used in connection with the lifeboat gear?（）
A. Six by seven galvanized wire rope
B. Six by twenty-four improved plow steel wire rope
C. Six by thirty-seven preformed fiber-core wire rope
D. Six by nineteen regular-lay filler wire rope

[单项选择]If kinking results while wire rope is being coiled clockwise，you should（）.
A. coil it counterclockwise
B. not coil it
C. take a turn under
D. twist out the kinks under a strain