Thepurposeforthebagorboxontopofsomesurvivalcraftisto（）.
A. rightthecraftincaseofcapsizing
B. increaseareaforradardetection
C. actasasailincaseofapowerloss
D. steadythecraftinheavyseas
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Twotypesofanchorshackleswhicharecurrentlyavailableare（）.
A. U-Typeandposilokshackles
B. C-Typeandwedgeshackles
C. D-Typeandbowshackles
D. wedgeandkentershackles
Whenanchoringasmallsailingvesselinroughweather，thebestanchorlinewouldbecomposedof（）.
A. chain-wire
B. chain-manila
C. chain-nylon
D. allchain
个人账户通存往账业务，发送农信银中心超时，系统提示是（）。
A. connect8509失败
B. 账务处理超时
C. 交易发送中心失败!已冲账!请打印相关凭证！
D. 业务发送超时！！请使用6898业务撤销
Whentheanchorisbroughttoandholding，thehorizontalcomponentofanchorcabletensionsshouldequalthe（）.
A. displacementtonnage
B. weightforces
C. buoyancyforces
D. environmentalforces
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