單項(xiàng)選擇題The shear rams of a ship blowout preventer stack are used in emergency well control to().

A.close and seal around the drill pipe
B.close and seal around casing
C.cut off pipe inside the preventer stack
D.close and seal around drill collars


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題The rated operating time of a self-contained breathing device may be reduced in actual use because of().

A.pressure differences in the atmosphere
B.the length of the hose attached to the facepiece
C.the physical exertion of the person wearing the device
D.spaces containing poisonous vapors

2.單項(xiàng)選擇題The radiotelephone urgency signal is().

A.mayday
B.pan pan
C.securite
D.seelonce feenee

3.單項(xiàng)選擇題The Muster List (“Station Bill”) shows each person’s lifeboat station,duties during abandonment,basic instructions,and().

A.all emergency signals
B.instructions for lowering the lifeboats
C.the time each weekly drill will be held
D.work schedule

4.單項(xiàng)選擇題The Master shall insure that the Emergency Position Indicating Radio beacon (EPIRB) is().

A.secured inside the wheelhouse
B.tested annually
C.tested monthly
D.secured in the emergency locker

5.單項(xiàng)選擇題The Emergency Position Indicating Radio beacon on a cargo vessel must be stowed().

A.in an inside passageway
B.in an approved bracket
C.so that it is accessible from the bridge of the vessel
D.so that it will float free if the vessel sinks