Use of radar and arpa Order To: Detect Close Range 38.

Where Shall The Warning

1. Acronym Of EBL ? Electronic Bearing Targets Signals Be Placed If A Work Is
Line 22. What Are Such Areas Known As Performed On The Radar Mast?
2. Control The Amplification Of Echoes Target Detection Ranges Are Warning Plates Fastened To
Received Is Used To? Gain Considerably Reduced Due To The Mast And Each Radar
3. How Can An ARPA Assist The Ship Shipboard Structures Like The 39. Where Shall The Warning
To Steer A Suitable Course To Make Samson Posts Etc.? Blind Sectors Signals Be Placed If A Work Is
Good The Entrance To A Channel? 23. What Is Function Of The Performed On The Radar Mast?
Select Ground Stabilised True Motion Waueguide:Conduct Pulses To Warning Plates Fastened To
Display And Alter Course So That And From The Scanner The Mast And Each Radar
Own Ships True Vector Passes 24. What Is The Acronym PPI? Plan 40. Where Will You Find The
Through The Middle Of The Entrance Position Indicator Number Of The Chart? Always
To The Channel. 25. What Is The Called Of A Outside The Right Hand Margin.
4. How Often Should Anchor Bearings Reference For Target Bearings Is 41. Which Affects The Strength
Be Taken, While As Vessel Is At Provided By A Line On The Radar Rather Than The Direction Of
Anchorage? At Least Every Hour Screen ? Heading Marker The Reflected Radar Energy,
5. If Possible, When Choosing Objects 26. What Is The Function Of A Corner What The Factor Is: Target
For Position Fixing By Radar Ranges Reflector Increase The Surface Texture
You Should, To Avoid : Sloping Land Detectability Of Small Targets 42. Which Of These Factors Does
Features 27. What Is The Main Component In Bearing Resolution Depend On
6. Radars 10 Cm Also Called ? S Band The Display Unit ? Cathode Ray ? HBW
7. Target Ranges Are Obtained From: Unit 43. Which Of These Glues Only A
The Range Marker 28. What Is The Meaning Closest Bearing And Not A Range?
Point Of Approach ? The Closest Ramark
8. The Advantages Of A GPS Satellite
System Compared To Other Two Ships Will Pass Each Other If 44. Which Of These Is A Result Of
Navigational Aids Is? The GPS Both Ships Maintain Course And True Motion Display? CPA And
System Gives Information About Speed Time Directly Obtained
Position, Speed And Time 29. What Is The Name Of Rate At 45. Why Should Ground Stabilised
Continuously World Wide. Which Two Moving Objects True Motion Display Mode Be
9. The Best Land Target To Use For A Approach Or Separate From Each Avoided When Using The Arpa
Radar Bearing Is A Coastal Other Called? Relative Speed For Anti-Collision Purposes The
Indentation 30. What Is The Requirements For Collision Regulations Are Based
Using Radar For Collision On Ship Courses Through The
10. The Critical Time While Anchoring In
Advance Are Described In : Water.
A Strong Current And Narrow
Channel Is? When The Ship Stops In International Regulations For
The Water Before The Anchor Is Prevention Of Collisions At Sea
Dropped 31. What Is The Signal From A Racon
11. The Echo Presentation Have Factors :Enables The Beacon To Be
Govern, What Is The Factors? Identified
Characteristics Of The Receiver 32. What Is The Suggested
12. The International Nautical Mile Is : Navigational Systems Is A
1852 Meters "Hyperbolic" Navigational System
13. The Officer In Charge Of A And Has Hyperbolae As Position
Navigational Watch Must ? Be Lines? Loran C
Physically Present On The Bridge.. 33. What Is The Two Of Most
14. The PPI Known As The Ability Of A Important Input Information
Radar Set To Clearly Distinguish Two Required To Operate The ARPA
Targets, On The Same Range And Accurately? Speed And Heading
Slightly Different Bearings, As Two 34. What Is The Vector Mode Selected
Separate Targets On? Bearing On The Arpa When The Ship Is
Discrimination Navigating In Dense Fog Where
15. The Quantity S, In The Equation D = The Visibility Is Less Than One
(T X S) R2, Is : The Speed Of The Mile. The Arpa Radar Is Set On A
Radar Waves Range 12 Miles On A Course Of
314 Degrees And Own Ship Has A
16. The Targets Echoes Appear Along A
Vector As Shown.? True Vectors
Line Called: Timebase
35. What Is The Vertical Beam Must
17. The Transmitter Is Have A Main
Be Wide Enough To Allow For :
Component, What Is The: Agnetron
Rolling And Pitching Of The Ship
18. To Carry Out A Trial Manoeuver,
36. What Is Used To Warn The
Which Of These Input Information Is
Observer If Any Distinguishable
Not Required? A Delay
Target Closes To A Range Or
19. To Warn The Observer If Any Transits A Zone Chosen By The
Distinguishable Target Closes To A Observer? Guard Rings And
Range Or Transits A Zone Chosen Zones
By The Observer, It Is Used? Guard
37. What Would Be The Most
Rings And Zones
Probable Cause Of The Error,
20. Unwanted Radial Lines That When Using The Echo Sounder In
Sometimes Appear On The Radar A River The Soundings Indicated
Screen, The Name Given Is. Spoking May Be Incorrect,? Shallow Water
21. Uses Pulse In Radar Transmission In Effects
 What is the two of most important input information required to operate the ARPA accurately?
c. Speed and heading
25.Which of these is a result of true motion display?
a. CPA and time directly obtained
26.Where will you find the number of the chart?
b. Always outside the right hand margin.
27.The PPI known as the ability of a radar set to clearly distinguish two targets, on the same range and slightly different bearings, as two
separate targets on?
c. Bearing discrimination
28.What would be the most probable cause of the error, when using the echo sounder in a river the soundings indicated may be incorrect,?
c. Shallow water effects
29.The international nautical mile is :
b. 1852 meters
30.The echo presentation have factors govern, What is the factors?
c. Characteristics of the receiver
31.Radars 10 cm also called ?
c. S band
32.Unwanted radial lines that sometimes appear on the radar screen, the name given is.
b. Spoking
33.Which of these factors does bearing resolution depend on ?
d. HBW
34.What is the vertical beam must be wide enough to allow for :
b. rolling and pitching of the ship

35.which affects the strength rather than the direction of the reflected
radar energy, what the factor is:
c. target surface texture
36.What is the function of a corner reflector
:
d. Increase the detectability of small targets
37.How often should anchor bearings be taken, while as vessel is at anchorage?
b. At least every hour
38.The critical time while anchoring in a strong current and narrow channel is?
c. When the ship stops in the water before the anchor is dropped
39.What is the requirements for using radar for collision advance are described in :
a. International Regulations for Prevention of Collisions at Sea
40.The best land target to use for a radar bearing is
:d. a coastal indentation
41.If possible, when choosing objects for position fixing by radar ranges you should
, to avoid :
c. sloping land features
42.What is the signal from a racon :
b. enables the beacon to be identified
43.To carry out a Trial manoeuver, Which of these input information is not required?
a. A delay
44.To warn the observer if any distinguishable target closes to a range
or transits a zone chosen by the observer, it is used?
d. Guard rings and zones