网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
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
参考答案
参考解析
解析:
暂无解析
更多 “单选题The greatest directive force is exerted on the magnetic compass when the().A needles are nearly in line with the meridianB vessel is near the magnetic polesC variation is near zeroD vessel is near the magnetic equator” 相关考题
考题
The weight of something is another way of describing the amount of force exerted on () by gravity.
A.itB.themC.thatD.one
考题
In Trial 9, the electrical force exerted by Sphere Y on Sphere X and the electrical force exerted by Sphere X on Sphere Y were exerted in which direction(s)?A.east; eastB.east; westC.west; westD.west; east
考题
The force exerted by a propeller which tends to throw the stern right or left is called ______.A.slipB.sidewise forceC.rotational forceD.thrust
考题
Reid vapor pressure is ______.A.exerted by liquid cargo on the sides of a tankB.exerted by liquid cargo on a cargo hose bodyC.the lowest temperature and pressure that will cause a flammable liquid to give off vaporsD.a measurement of the amount of flammable vapors given off by a liquid at a certain temperature
考题
Which magnetic compass corrector(s)CANNOT be set on a heading of magnetic east or magnetic west ________.A.Heeling magnetB.Flinders barC.Fore-and-aft magnetsD.All of the above can be set on magnetic east or magnetic west headings
考题
Magnetic dip is a measurement of the angle between the ______.A.geographic pole and the magnetic poleB.lubber’s line and true northC.horizontal and the magnetic line of forceD.compass heading and the magnetic heading
考题
下列()是news服务的URL的正确范例。A、news:comp.infosystems.www.miscB、news://comp.infosystems.www.miscC、//comp.infosystems.www.miscD、comp.infosystems.www.misc
考题
ejb环境变量如何调用名为ejbC的ejb ()A、 initCtx.lookup("java:comp/env/ejb/ejbC")B、 initCtx.lookup("java:comp/ejb/ejbC")C、 initCtx.lookup("java:comp/ejbC")D、 initCtx.lookup("java:comp/env/ejbC")
考题
单选题Deviation is caused by().A
changes in the earth's magnetic fieldB
nearby magnetic land masses or mineral depositsC
magnetic influence inherent to that particular vesselD
the magnetic lines of force not coinciding with the lines of longitude
考题
单选题The magnetic compass magnets are acted on by the horizontal component of the Earth’s total magnetic force. This magnetic force is GREATEST at the().A
north magnetic poleB
south magnetic poleC
magnetic prime vertical meridianD
magnetic equator
考题
单选题English people _____.A
have never discussed who is the world’s greatest poet and greatest dramatistB
never discuss the world’s greatest poets and dramatistC
are sure who is the world’s greatest poet and greatest dramatistD
do not care who is the world’s greatest poet and greatest dramatist
考题
单选题The force exerted by a propeller which tends to throw the stern right or left is called().A
slipB
sidewise forceC
rotational forceD
thrust
考题
单选题Papermaking is _____ of ancient China.A
one of greatest inventorB
one of the greatest inventorsC
one of greatest inventionD
one of the greatest inventions
考题
单选题The greatest English realist of the mid and late 19th century was _____. With great force and truthfulness, he/she pictures bourgeois civilization, showing the miserary and sufferings of the common people.A
Emily BronteB
George EliotC
Charles DickensD
Elizabeth Gaskell
考题
单选题Which magnetic compass corrector(s)CANNOT be set on a heading of magnetic east or magnetic west().A
Heeling magnetB
Flinders barC
Fore-and-aft magnetsD
All of the above can be set on magnetic east or magnetic west headings
考题
单选题The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when().A
decelerating when lowering the loadB
decelerating when raising the loadC
lowering the load at constant speedD
raising the load at constant speed
考题
单选题Magnetic dip is a measurement of the angle between the().A
geographic pole and the magnetic poleB
lubber's line and true northC
horizontal and the magnetic line of forceD
compass heading and the magnetic heading
考题
单选题ejb环境变量如何调用名为ejbC的ejb ()A
initCtx.lookup(java:comp/env/ejb/ejbC)B
initCtx.lookup(java:comp/ejb/ejbC)C
initCtx.lookup(java:comp/ejbC)D
initCtx.lookup(java:comp/env/ejbC)
考题
单选题What is the basic principle of the magnetic compass().A
Magnetic materials of the same polarity repel each other and those of opposite polarity attractB
The Earth's magnetic lines of force are parallel to the surface of the EarthC
Magnetic meridians connect points of equal magnetic variationD
The compass needle(s)will,when properly compensated,lie parallel to the isogonic lines of the Earth
考题
单选题The principal purpose of adjustment of the magnetic compass is to eliminate()as far as possible.A
variationB
compass errorC
deviationD
earth's magnetic force
考题
单选题The line which connects the points of zero magnetic dip is().A
An agonic lineB
The magnetic equatorC
A magnetic meridianD
All of the above
考题
单选题The directive force of a gyrocompass().A
increases with latitude,being maximum at the geographic polesB
decreases with latitude,being maximum at the geographic equatorC
is greatest when a vessel is near the Earth's magnetic equatorD
remains the same at all latitudes
考题
单选题The vertical angle between the horizontal and the magnetic line of force is the().A
elevationB
magnetic angleC
vertical angleD
dip
考题
单选题At the magnetic equator there is no induced magnetism in the vertical soft iron because().A
the lines of force cross the equator on a 0°-180°alignmentB
the quadrantal error is 0°C
there is no vertical component of the Earth's magnetic fieldD
the intercardinal headings have less than 1°
考题
单选题The transition of the Earth’s magnetic field is possibly caused by _____.A
the flows of melted iron inside the EarthB
the periodical movement of the EarthC
the mechanical energy of the solar systemD
the force coming from outer space
热门标签
最新试卷