更多"Sidewise force of the propeller ten"的相关试题:
[单项选择]The force exerted by a propeller which tends to throw the stern right or left is called（）.
A. slip
B. sidewise force
C. rotational force
D. thrust
[单项选择]The internal force of a material, which tends to resist deformation when subjected to external forces, is known as （）.
A. stress
B. strain
C. shear strength
D. ultimate tensile strength
[单项选择]Gasoline vapor tends to collect（）.
A. above the floor plates of the bilges
B. above the carburetor level
C. at the lowest point of the bilge areas
D. at no particular level
[单项选择]A single-screw vessel going ahead tends to turn more rapidly to port because of propeller（）.
A. discharge current
B. suction current
C. sidewise force
D. thrust
[单项选择]Air that may enter a refrigeration plant tends to collect in the （）.
A. upper part of the receiver
B. upper part of the condenser
C. down stream end of the cooling coil
D. outlet end of the condenser
[单项选择]A substance found in residual fuels which tends to cause exhaust valve corrosion and grooving, is（）
A. carbon
B. vanadium
C. calcium
D. hydrogen
[单项选择]Which of the following factors tends to increase scale formation on the saltwater side of a heat exchanger used in a diesel engine cooling water system?（）
A. Baffle plates that have been bent during prior removal
B. Leaks in the cooler tube nest
C. Operating the engine while maintaining a high sea water outlet temperature
D. A punctured sea water strainer supplying cooling water to the heat exchanger
[单项选择]When are you allowed to throw plastic garbage overboard?（）
A. Being mroe than 25 miles from shore
B. Only at night when it‟s dark
C. Being more than 6 miles from shore
D. Never
[多项选择]可以使用throw语句抛出的对象包括（）。
A. Error
B. Event
C. Exception
D. Object
E. Throwable
F. RuntimeException
[单项选择]By which of the following means is force efficiently provided to vary the pitch of the blades on a modem controllable pitch propeller?（）
A. Hydraulic
B. Mechanical
C. Pneumatic
D. Electrical
[单项选择]The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
A. pressure gradient
B. Coriolis effect
C. aurora borealis
D. ballistic deflection
[单项选择]The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when（）.
A. decelerating when lowering the load
B. decelerating when raising the load
C. lowering the load at constant speed
D. raising the load at constant speed
[多项选择]下面哪些类型的实例对象可以通过throw语句抛出（）。
A. Event
B. Object
C. Throwable
D. RuntimeException
E. Exception
[单项选择]When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.
A. Gale
B. Storm
C. Hurricane
D. Typhoon
[单项选择]As the weather was worsening and wind force rising to 8，my vessel（）were yawing within forty degrees of the compass.
A. alongside the wharf
B. grounded in the channel
C. at buoys
D. at anchor
[单项选择]The reaction of a gyrocompass to an applied force is known as（）.
A. precession
B. earth rate
C. gyroscopic inertia
D. gravity effect
[单项选择]The greatest directive force is exerted on the magnetic compass when the（）.
A. needles are nearly in line with the meridian
B. vessel is near the magnetic poles
C. variation is near zero
D. vessel is near the magnetic equator
[单项选择]The directive force of a gyrocompass（）.
A. increases with latitude，being maximum at the geographic poles
B. decreases with latitude，being maximum at the geographic equator
C. is greatest when a vessel is near the Earth's magnetic equator
D. remains the same at all latitudes
[单项选择]In Beaufort Scale，the wind force 7 with speed of 28-33 knots is defined as（）.
A. Moderate gale
B. Near gale
C. Strong gale
D. Whole gale
