Rate Of Turn Basic-training

14 Questions | Total Attempts: 47

SettingsSettingsSettings
Please wait...
Rate Of Turn Basic-training


Questions and Answers
  • 1. 
    What is the voltage the gyro sensor uses? 
    • A. 

      5 Volt

    • B. 

      12 Volt

    • C. 

      15 Volt

    • D. 

      24 Volt

  • 2. 
    What is the right order to adjust the zero of the Rate of Turn and other connected equipment.
    • A. 

      Gyro sensor, Rate of Turn display, Riverpilot, Radar

    • B. 

      Rate of Turn display, Gyrosensor, Riverpilot, Radar

    • C. 

      Riverpilot, Gyro sensor, Rate of Turn display, Radar

    • D. 

      Gyro sensor, Riverpilot, Rate of Turn display, Radar

  • 3. 
    What is a possible reason to trigger the "alarm" indication on the Rate of Turn display?
    • A. 

      Riverpilot is turned off

    • B. 

      Rate of Turn display is turned off

    • C. 

      Riverpilot is on "FU/WEG" mode

    • D. 

      Spindle wheel of the gyro sensor isn't turning due to a mechanical issue

  • 4. 
    What voltage do you measure between "5" and "7" on the gyro sensor when the ship does not move at all?
    • A. 

      Less then 100 millivolts

    • B. 

      Less then 20 millivolts

    • C. 

      Less then 10 millivolts

    • D. 

      More then 10 millivolts

  • 5. 
    When the Riverpilot gives "Bocht" alarm, this indicates: (multiple answers possible)
    • A. 

      The ship on Autopilot does not follow the asked course.

    • B. 

      The Rate of Turn display is turned off and the Riverpilot is on "Auto" mode.

    • C. 

      The spindle wheel of the gyro is not (yet) at the correct speed.

    • D. 

      The Rate of Turn needs adjustment.

  • 6. 
    Select all correct answers:
    • A. 

      The "gain" and "speed" potentiometers are not allowed to adjust without special test-equipment

    • B. 

      The "test" potentiometer should be adjusted on board after installing a gyrosensor

    • C. 

      The "speed" potentiometer is for the maximum curve of the Riverpilot 

  • 7. 
    Select all correct answers:
    • A. 

      The "isozero" potentiometer is used for zero adjustment for the Riverpilot

    • B. 

      The "zero" adjustment is used for adjusting the "zero" indication on the radar

    • C. 

      On board ONLY adjust potentiometers "zero" and "isozero".

  • 8. 
    The adjustment at the blue arrow is used for:
    • A. 

      To adjust the "zero" of the indicator in case the gyro sensor is not exactly zero

    • B. 

      To adjust the "zero" of the indicator, when the indicator is turned off

    • C. 

      To adjust the "zero" to the processor of the BasicTriplePilot

    • D. 

      To adjust the "test" of the Rate of Turn signal

  • 9. 
    In case of a "ROT" MFM Rate of Turn, what type of display is used?
    • A. 

      Repeater display

    • B. 

      Indicator display

  • 10. 
    In case of a "ROT/RUDDER" MFM display, what type of display is used?
    • A. 

      Repeater display

    • B. 

      Indicator display

  • 11. 
    Where is the most ideal installation location of the gyro sensor?
    • A. 

      Wheelhouse, with a short as possible cable between Rate of Turn (interface) and Gyro sensor, mounted on a solid vibration-free foundation.

    • B. 

      Engine room, as high as possible, preferrably above the engine.

    • C. 

      Engine room, as high as possible, as close as possible to the longitudinal axis of the ship.

    • D. 

      Engine room, as close as possible to the longitudinal axis of the ship, mounted on a solid vibration-free foundation at about waterlevel.

  • 12. 
    How to adjust the "zero" and "gain" with the AlphaTrioPilot MF? (in which order)
    • A. 

      Adjust zero on display AlphaTrioPilot, adjust zero on gyro sensor, adjust zero in processorbox AlphaTrioPilot

    • B. 

      Adjust zero on gyro sensor by measuring the 20mV/degree output voltage, adjust the zero on the display of the AlphaTrioPilot, adjust the zero in processorbox AlphaTrioPilot

    • C. 

      Adjust zero on display AlphaTrioPilot by turning zero on gyro sensor, adjust zero in processorbox AlphaTrioPilot

    • D. 

      Adjust zero in processorbox AlphaTrioPilot, adjust zero on display AlphaTrioPilot, adjust zero in gyro sensor

  • 13. 
    What is true about the installation of the Rate of Turn indicator and gyro sensor? (multiple answers possible) For regulation related questions see "ES-TRIN 2019 Annex 5 Navigation and information equipment 'Section II Article 1.08' & 'Section III Article 6' "
    • A. 

      Any modification made to equipment already approved shall cause the type-approval to be forfeit.

    • B. 

      The rate-of-turn indicator shall be located ahead of the helmsman and within their field of vision.

    • C. 

      The sensor system shall be installed as far as possible amidships, horizontal and aligned with the ship's fore-and aft-line. The installation site shall as far as possible be free of vibration and be liable only to modest temperature variations. The indicator unit shall if possible be installed directly above the radar display.

    • D. 

      If slave indicators are installed, they shall satisfy the requirements which apply to rate-of-turn indicators.

  • 14. 
    I want to connect Rate of Turn NMEA to the riverradar, which approved Rate of Turn indicator / approved BasicTriplePilot/AlphaTrioPilot can I use? 
    • A. 

      AlphaTurn MFM

    • B. 

      BasicTurn 90

    • C. 

      BasicTriplePilot

    • D. 

      MFL AlphaTurn/Rudder combination

    • E. 

      AlphaTrioPilot MF

Back to Top Back to top