ATSC 113 Review Exam Questions with 100% satisfaction
guarantee Answers 2025/2026
Swell with ________ wave periods will refract more than swell with
__________ wave period. - correct answer Longer, shorter.
Swell decay: - correct answer How quickly waves lose energy as they
travel from their initial source.
What factors are important when deciding how swell will break on a beach?
- correct answer Local conditions, swell height/period, swell direction.
What factor isn't important when deciding how swell will break on a beach?
- correct answer Great circle routes.
What factor doesn't influence how swell will decay? - correct answer
Surface water.
True or false: Offshore winds blow from the ocean onto the shore, creating
chop on the incoming swell. - correct answer False.
Tide: - correct answer Movement of Earth's oceans up and down due to
gravitational pull of moon/sun.
Spring tide: - correct answer Sun and moon line up, creating higher and
lower tides than usual.
Neap tide: - correct answer Weaker tides when sun and moon are at right
angles to each other.
, Tide table: - correct answer Chart displaying tidal patterns.
How many tide cycles will you encounter per day? - correct answer Two
(So two high tides and two low tides. )
Tidal range: - correct answer Difference between highest tide and lowest
tide.
Flood current: - correct answer Current created by incoming tide.
Ebb current: - correct answer Current created by outgoing tide.
Tidal currents are stronger: - correct answer Mid channel, or in deeper
water.
Seas are calmer when tidal current and wind: - correct answer Travel
together.
Tidal rapids: - correct answer When tidal currents forced through narrow
corridor.
Environment Canada broadcasts warnings and forecasts for the Pacific.
This is called: - correct answer The Continuous Marine Broadcast (CMB).
CMB can be accessed by what type of radio? - correct answer VHF radio.
guarantee Answers 2025/2026
Swell with ________ wave periods will refract more than swell with
__________ wave period. - correct answer Longer, shorter.
Swell decay: - correct answer How quickly waves lose energy as they
travel from their initial source.
What factors are important when deciding how swell will break on a beach?
- correct answer Local conditions, swell height/period, swell direction.
What factor isn't important when deciding how swell will break on a beach?
- correct answer Great circle routes.
What factor doesn't influence how swell will decay? - correct answer
Surface water.
True or false: Offshore winds blow from the ocean onto the shore, creating
chop on the incoming swell. - correct answer False.
Tide: - correct answer Movement of Earth's oceans up and down due to
gravitational pull of moon/sun.
Spring tide: - correct answer Sun and moon line up, creating higher and
lower tides than usual.
Neap tide: - correct answer Weaker tides when sun and moon are at right
angles to each other.
, Tide table: - correct answer Chart displaying tidal patterns.
How many tide cycles will you encounter per day? - correct answer Two
(So two high tides and two low tides. )
Tidal range: - correct answer Difference between highest tide and lowest
tide.
Flood current: - correct answer Current created by incoming tide.
Ebb current: - correct answer Current created by outgoing tide.
Tidal currents are stronger: - correct answer Mid channel, or in deeper
water.
Seas are calmer when tidal current and wind: - correct answer Travel
together.
Tidal rapids: - correct answer When tidal currents forced through narrow
corridor.
Environment Canada broadcasts warnings and forecasts for the Pacific.
This is called: - correct answer The Continuous Marine Broadcast (CMB).
CMB can be accessed by what type of radio? - correct answer VHF radio.
