单项选择题

The total leg load reactions on an independent leg，self-elevating unit include static and（）.

A.environmental loading
B.variable loading
C.fixed loading
D.basic loading

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单项选择题

The terminal stuff tallies the cargo mainly before the ship’s（）.

A.loading
B.leaving
C.arriving
D.sailing

单项选择题

The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge，and in a few minutes the pressure drops sharply. This could be a result of the（）.

A.booster pump coming on the line and discharging properly
B.booster pump failing to start
C.booster pump being lined up in the wrong direction
D.ship's pump speeding up