更多"[单选题]The “blips” of light on the ra"的相关试题:
[单选题]To approach on the same runway, the preceding heavy aircraft should maintain at least a _______-minute non-radar wake separation from the light aircraft behind.
A.4
B.3
C.2
D.1
[单选题]Radar controllers conducting radar approaches shall be _______ information regarding the obstacle clearance altitudes/heights established for the types of approach to be conducted.
A.be in possession of
B.know
C.get
D.take
[单选题]Which secondary radar code below is right?
A.1309
B.2537
C.8824
D.5690
[单选题]_______ radar service,the radar controller should inform the pilot that he should resume normal navigation, and give him his position and appropriate instructions.
A.When terminating
B.When providing
C.To determine
D.To exercise
[单项选择]The installation of radar is supposed to keep track of airlines in the __________.
A. velocity
B. proximity
C. terrain
D. vicinity
[单选题]_______ radar vectoring of an aircraft, the radar controller should inform the pilot that he should resume his own navigation, giving him his position and appropriate instructions.
A.In terminating
B.To provide
C.To commence
D.To determine
[单选题]If the radar receiver detects the retarding time tR=500(S between transmitting pulse and receiving pulse, now the target is _______ km from the radar station.
A.150
B.120
C.100
D.75
[单选题]The _______ shall be responsible for adjusting the radar display(s) and for carrying out adequate checks on the accuracy thereof, in accordance with the technical instructions prescribed by the appropriate authority for the radar equipment concerned.
A.ramp commander
B.mechanics
C.radar controller
D.AIS officer
[单选题]_______ change should be made by a radar controller to a clearance issued by a non-radar controller without the prior approval of the latter, except when special procedures are in effect, or when circumstances necessitate immediate action.
A.No significant
B.Only a little
C.A few
D.Permitted
[单选题]Which of the following is not true as concerns airport surveillance radar (ASR)?
A.It is designed to provide relatively short-range coverage in the airport vicinity
B.Its purpose is to serve as an expeditious means of handling terminal area traffic
C.It can never be used as an instrument approach aid
D.The ASR facilities are commonly called approach and departure control
[单选题]What are the methods to transfer radar identification?
A.Physical
B.Automate
C.Landline
D.All above
[单项选择]
Enter the information age. Information is the raw material for many of the business activities shaping this new era, (1) iron and steel were the basic commodities in the dawning of the industrial age.
The world’ s knowledge is said to be doubling (2) eight years. This knowledge explosion is (3) economic progress. The need to collect, analyze, and communicate (4) quantities of information is Spawning new products and services, creating jobs, and widening career opportunities.
The information age is (5) considered to be a phenomenon of the service sector of the economy, (6) a product of heavy industry. Certainly, burgeoning information technologies are creating new capabilities (7) knowledge-based service spheres. But changes just as dramatic are (8) industry, giving people the opportunity to do challenging work in exciting new ways.
Manufacturing is a full participant in the information age. From
A. in
B. by
C. over
D. on
[单项选择]Radar is used to extend the（）of man's senses for observing his environment, especially the sense of vision.
A. validity
B. liability
C. capacity
D. intensity
[单选题]Before providing radar service, air traffic controller should_______to the aircraft.
A.confirm altitude
B.confirm identity
C.confirm speed
D.confirm heading
[单选题]Radar works on an _______ principle.
A.detection
B.echo
C.track
D.display
[单项选择]Radar enabled the English ____________.
A. detect German planes on their way to London
B. direct the outnumbered RAF planes effectively
C. confuse German bomber pilots
D. both A and B
[单选题]The positioning precision of route surveillance radar (within 74km) is _______ km.
A.3.6
B.4.0
C.3.2
D.4.8
[单选题]The term “radar contact” _______ .
A.is used by ATC
B.is used by the pilot
C.means the aircraft has been radar identified
D.both A and C
