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航海英語(yǔ)船舶設(shè)備名稱單項(xiàng)選擇題每日一練(2019.01.18)

單項(xiàng)選擇題
The portable radio apparatus means（）.
A.the radio apparatus fitted on the portside
B.the radio with a portable equipment
C.the radio equipment which is easily movable
D.the portable radio with some apparatus
單項(xiàng)選擇題
As the propeller turns，voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency，pitting of the blades，and vibration. These voids are known as（）.
A.advance
B.cavitation
C.edging
D.slip
單項(xiàng)選擇題
An example of a modern anchor which has a stock is a(n)（）.
A.articulated anchor
B.Flipper Delta anchor
C.Baldt anchor
D.Danforth anchor
單項(xiàng)選擇題
In relation to cargo gear，what does SWL mean?（）.
A.Safe working load
B.Ship's working lift
C.Starboard wing lift
D.Stress，weight，load
單項(xiàng)選擇題
A strong back refers to a（）.
A.bar securing a cargo port
B.centerline vertical bulkhead
C.deep beam
D.spanner stay

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