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 Loran needs().
A
repairing
B
to repair
C
repairs
D
have repaired
参考答案
参考解析
解析:
暂无解析
更多 “单选题The Loran needs().A repairingB to repairC repairsD have repaired” 相关考题
考题
A line of position derived from a loran reading is a section of a(n) ______.A.straight lineB.arcC.parabolaD.hyperbola
考题
In using Loran-C,skywave reception gives greater range but is ______.A.only accurate during daylight hoursB.much less accurateC.only accurate at twilightD.more accurate than using ground waves
考题
Loran-C is which type of navigation system ________.A.Hyperbolic,long-range navigation systemB.Short-range electronicC.Long-range,high frequency navigation systemD.Long-range,with a frequency of 1950 kHz
考题
Loran-C is which type of system ________.A.Reflected electronB.Electrical radiationC.Quarterpoint electrical navigationD.Hyperbolic radio navigation
考题
Most modern Loran-C receivers,when not tracking properly,have a(n)______.A.Bell alarm to warn the userB.Lighted alarm signal to warn the userC.Alternate signal keying systemD.View finder for each station
考题
The line connecting the Loran-C master station with a secondary station is called the ______.A.Focus lineB.Base lineC.Side lineD.Center line
考题
The loran lines drawn on navigation charts represent ______.A.Ground wavesB.SkywavesC.Either ground waves or skywaves interchangeablyD.An average between ground wave and skywave positions
考题
船舶需要装卸货。()A、The ship needs loading.B、The ship needs discharging.C、The ship needs unloading.D、The ship needs loading and discharging.
考题
单选题Loran-C is which type of system().A
Reflected electronB
Electrical radiationC
Quarterpoint electrical navigationD
Hyperbolic radio navigation
考题
单选题With time going on, _____.A
a luxury may change into a need which most people want to getB
the basic needs are getting smaller and smallerC
a luxury and the basic needs can be exchangedD
the basic needs can be changed into a luxury
考题
单选题At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N,LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water,which of the following is TRUE?()A
The bottom samples and fathometer reading prove the loran fix is reliableB
The bottom samples and fathometer readings indicate that the loran fix is unreliableC
The information collected indicates that the fathometer may be in errorD
The information collected indicates that the chart is most likely in error
考题
单选题In using Loran-C,skywave reception gives greater range but is().A
only accurate during daylight hoursB
much less accurateC
only accurate at twilightD
more accurate than using ground waves
考题
单选题The loran lines drawn on navigation charts represent().A
Ground wavesB
SkywavesC
Either ground waves or skywaves interchangeablyD
An average between ground wave and skywave positions
考题
单选题A company needs to implement an offsite backup method that is replicated and needs toguarantee that the data cannot be changed once it is replicated. Which of the following would meet the company’s needs?()A
SANB
WORMC
NASD
CD-RW
考题
单选题A line of position derived from a loran reading is a section of a(n) ().A
straight lineB
arcC
parabolaD
hyperbola
考题
单选题The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with().A
An atomic time standardB
Daylight Savings TimeC
Eastern Standard TimeD
Greenwich Mean Time
考题
单选题船舶需要装卸货。()A
The ship needs loading.B
The ship needs discharging.C
The ship needs unloading.D
The ship needs loading and discharging.
考题
单选题To succeed in a scientific research project ______ .A
one needs to be persistentB
persistence is neededC
one needs be a persistent personD
persistence is what one needs
考题
单选题At 2200 you take the following loran readings: 9960-W-15064.5; 9960-Y-43954.8. Which statement is TRUE? ()A
The current is floodingB
You are being set to the left of the trackC
The set is towards the southwestD
The drift is 0.6 knot.
考题
单选题The line connecting the Loran-C master station with a secondary station is called the().A
Focus lineB
Base lineC
Side lineD
Center line
考题
单选题The correction to be applied to a Loran-C reading when matching a sky wave to a ground wave may be found().A
on loran charts covering areas where sky waves are usedB
in the Radio Aids to Navigation,PUB 117C
in the Loran-C Correction TablesD
Sky waves cannot be matched to ground waves in LORAN-C to produce a usable reading
热门标签
最新试卷