While discharging a tanker，list can be controlled by ______．
A. Shoreside personnel
B. Using a center tank near the bow，discharging as necessary
C. Using wing tanks near the longitudinal center，discharging as necessary
D. Using the after peak tank，loading as necessary
查看答案
实有蓄电池容量的测试遵循：①酸性蓄电池以5小时连续放电率；②机载蓄电池以1小时连续放电率；③碱性蓄电池10C连续放电率；④碱性蓄电池0、5C连续放电率；⑤碱性蓄电池0、25C连续放电率；⑥碱性蓄电池1C连续放电率()。
A. ①②③④
B. ②③⑤⑥
C. ①③④⑥
D. ①④⑤⑥
While off-loading from an offshore supply vessel with the crane，the wind increases in strength and changes direction significantly，you should ______．
A. Expedite off-loading
B. Stop off-loading，but keep the offshore supply vessel in the present location
Continue off-loading with no changes
D. Move the offshore supply vessel to the downwind side
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
Which tanker discharge pattern would be the safest and most efficient ________．
A. Empty the forward tanks and start working aft，emptying each tank in sequence
B. Start discharging with most of the discharge coming from forward，but include some from midships and after tanks
C. Start pumping from forward，midships，and aft with the discharge distributed equally among the tanks
D. Start pumping from midships and then work forward and aft simultaneously as the midships tank is emptied
微信支付 
支付宝支付