Skip to main content

Private Pilot Licence (PPL) – Canada · Question

What does a 'Trough' on a weather chart indicate?

A trough is an elongated area of relatively low atmospheric pressure. It is often associated with converging air, rising air, and therefore, cloudiness and prec

Start free practice for Private Pilot Licence (PPL) – Canada

150 questions · no signup required · 40 free questions per day

Start Practice →

Question: What does a 'Trough' on a weather chart indicate?

Answer options:

  • An area of high pressure with clear skies. ✅ An elongated area of relatively low pressure.
  • A region of stable air and light winds.
  • A band of severe thunderstorms.

Correct answer: An elongated area of relatively low pressure.

Explanation: A trough is an elongated area of relatively low atmospheric pressure. It is often associated with converging air, rising air, and therefore, cloudiness and precipitation.

Start free practice for Private Pilot Licence (PPL) – Canada

150 questions · no signup required · 40 free questions per day

Start Practice →

More about Private Pilot Licence (PPL) – Canada

Related Questions

More for Private Pilot Licence (PPL) – Canada candidates

Ready to practice?

Free, no signup required. Build a wrong-question list as you go.

Start Free Private Pilot Licence (PPL) – Canada Practice →

Related courses

Other Canadian certifications candidates often prepare for alongside this one.