A.yearly inspection
B.quarterly inspection
C.monthly inspection
D.weekly inspection
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A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line
A.positive correction
B.dip error
C.negative correction
D.semidiameter error
A.Restricted area
B.Closed area
C.Prohibited place
D.Forbidden place
A.beats
B.beasts
C.bacons
D.battens
最新試題
All electrical appliances aboard a vessel should be grounded to（）.
Static electricity may be built up by the（）.
Anchors are prevented from running out when secured by the（）.
Cargo pump relief valves are piped to the（）.
In relation to cargo gear，what does SWL mean?（）.
An integral part of a blowout preventer that serves as the closing element on an open hole，and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the（）.
The bypass valve on a self-contained breathing device should be opened if（）.
The C02 flooding system is actuated by a sequence of steps which are（）.
The exhaust pipe must be gas tight throughout its entire length otherwise（）.
The connected joints of pipe，usually made of three joints of pipe approximately 90 feet long，racked in the derrick when making a trip are called a（）.