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02_CES_DO7

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About this collection

The ANR bank contains many sets with original names and codes, including navigation, safety and equipment topics. Select a module by name or use question search.

“ANR — 02_CES_DO7” contains 72 questions across 1 collection.

Learning

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Sample questions and answers

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A complete oscillation of a radio wave is called......

One correct answer

Question illustration
  • the frequency.
  • the amplitude.
  • the wavelength.
  • a cycle.✓ Correct answer
What is the aspect of the target C ?

One correct answer

Question illustration
  • Port bow. (Red 15-75)✓ Correct answer
  • Port beam. (Red 75-105)
  • Starboard bow. (Green 15-75)
  • Starboard beam. (75-105)
Sometimes shipboard obstructions such as masts, funnels etc reflect radar energy and the echo painted on the PPI shows a different direction but the same range. What is this type of echo known as?

One correct answer

  • Indirect echo✓ Correct answer
  • Side lobe echo
  • Multiple echo
  • Second trace echo
An aid to identifying land features at long range is....

One correct answer

Question illustration
  • the use of varying pulse lengths
  • a chart with topographic details✓ Correct answer
  • the echo-ranging principle
  • a reflection plotter
If possible the radar display should be sited ....

One correct answer

Question illustration
  • as close as possible to the compass.
  • as far forward as possible in the ship.
  • so it can be viewed facing forward.✓ Correct answer
  • so that it is on the fore-and-aft line.

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