航海英语章节练习(2019.12.16)

单项选择题
When fighting a fire with a portable dry chemical fire extinguisher，the stream should be directed（）.
A.over the top of the flames
B.off a bulkhead into the fire
C.in front of the fire
D.at the base of the fire
单项选择题
按运价制定的形式划分，班轮运价的种类不包括（）。
A.单项费率运价
B.复式费率运价
C.等级运价
D.航线运价
单项选择题
Day-shapes must be displayed（）.
A.between sunset and sunrise
B.only between 8 AM and 4 PM
C.during daylight hours in any visibility
D.during daylight hours in unrestricted visibility only
单项选择题
The receiver uses（）satellites to compute latitude，longitude，altitude，and velocity．
A.one
B.two
C.three
D.four
单项选择题
In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.
A.a little deeper aft
B.a little deeper forward
C.at the same draught between fore and aft
D.a balance between two sides
单项选择题
If any cargo is damaged，the insurance company usually pays to the cargo owner a sum of money equal to the value of（）.
A.the cargo
B.the cargo damaged
C.the cargo minus the franchise
D.the cargo damaged minus the franchise
单项选择题
Damage by（）shall not be considered as handling damage.
A.exposure to inclement weather conditions
B.carelessness
C.the use of improper gear
D.moisture caused by condensation
单项选择题
（）on still water indictes how loading weight distribution affects on longitudinal strength.
A.Bending moment
B.local strength
C.shear force
D.displacement
单项选择题
As a vessel sinks to a depth of 15 feet，the hydrostatic trip releases the liferaft container from its cradle by（）.
A.breaking the weak link
B.releasing the tie-down strap
C.pulling the operating cord
D.releasing the CO₂ canister
单项选择题
When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) the recommended procedure is to（）.
A.approach while coming to the left to take advantage of the current
B.drop an anchor outside the surf line，then pay out anchor line over the bow while the seas carry the boat toward the beach
C.approach slow enough so that the boat can be brought around to meet breaking seas on the bow
D.rig a drogue with tripping line over the bow，back ashore with drogue tripped between breakers