亚洲国产2021乱码,青误乐一极视觉盛宴,国产XXXXX在线观看日本

單項選擇題The pump used to send the bilge water into the oily water separator（）the mixture because this might create finer oil particles.

A.should agitate
B.should not agitate
C.should mix up
D.should not add up

點擊查看答案

您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題The rising velocity of the globules carries them upwards where they become trapped by the under surfaces of plates and （）until the enlarged globules have sufficient rising velocity to travel along the plate surface and break away at periphery.

A.disperse
B.coalesce
C.compress
D.shrinkage

點擊查看答案

2.單項選擇題Humans are still needed to monitor the condition of the boiler all the time the latter is operated, （）it is just to acknowledge an alarm buzzer or flashing light in a control room.

A.even if
B.so that
C.such that
D.in order that

點擊查看答案

3.單項選擇題The steam boiler is part of a closed loop steam, whereby, after the energy of the steam is used up and it becomes water again, （） is collected and returned back to the boiler for heating up again to steam.

A.the former
B.the first
C.the latter
D.the last

點擊查看答案

4.單項選擇題Care must be taken to condition the （）in the boiler to prevent scaling, and corrosion, which can weaken the pressure vessel.

A.water
B.fuel
C.steam
D.air

點擊查看答案

5.單項選擇題The power and torque capability of the steering system must be such that the rudder can be swung from （）one side to（）the other side with the ship at maximum speed.

A.35°；35°
B.35°；30°
C.15°；15°
D.28°；60°

點擊查看答案