PY Tipo 1, Murcia 2020
Región de Murcia · 1ª convocatoria · 40 questions
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- A boat’s tendency to recover its initial position, when acted on by outside forces with heel under 15º, is called:
- The device that emits a 9 GHz signal detectable by radar is known as:
- What types of equilibrium can a boat have?:
- Fire buckets: which answer is not correct?:
- The force acting at the centre of gravity (G):
- What must not be done in an emergency?:
- What can we deduce if the isobars on a chart are far apart?
- The horizontal pressure gradient is the difference between two isobars at the same height 60 miles apart. What is it useful for?
- In port before going to sea we see that pressure has fallen and wind speed is rising:
- If a cold front passes over us:
- If we have an area where closed isobars have a pressure below 1012 millibars, we are in:
- Absolute humidity…
- Besides changing the vessel’s speed, sea currents affect the course through:
- The value of local magnetic variation affecting compasses depends on:
- The “rain clutter” effect on the radar screen is due to:
- Steering true course 220º with a NW wind giving 5º leeway (uncorrected), the yacht will be:
- With a head-up radar on, we alter 15º to port and see that:
- At HRB 0300 steering compass course Ra = 132º at 12 knots without wind or current, you take a compass azimuth of Polaris (assumed at the Pole) = 007º. Calculate your true course (Rv):
- At HRB 0310 on Ra = 132º at 12 knots (Ct = 7º W), you take a compass bearing of Trafalgar Da = 037º in fog; maintaining course and speed, at HRB 0330 you take a second bearing Da = 337º. Calculate your position at HRB 0330:
- At ship’s clock 0404 on 28 March (matching UTC in the 2020 Tide Tables), they arrive at Barbate and berth in the Marina with a charted sounding = 2 metres, at the time of the first high water of the day, whose height in the Tide Tables is 2.10 metres, the yacht’s maximum draught being 2 metres. They work out the water under the keel at that moment:
- At ship’s clock 1700 at WPT 00 = 36º 10’N 005º 15’W they set course, with no wind or current, for WPT 01 = 36º 30'N – 003º 50'W and work out the direct true course and distance: