Scuba Diving Trivia Quiz Questions And Answers
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What should you do to prevent mask squeeze (a sucking or pulling feeling on your face and eyes)?
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Make an ah-h-h-h sound
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Pinch your nose and blow against it
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Wiggle your jaw from side to side
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Blow into your mask through your nose
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Have you ever done Scuba diving, or are you planning to do the same? Before that, play this scuba diving trivia quiz and check how much do you know about it? Your results will tell you if you are an expert, a beginner, or you just need to brush up on your knowledge. Scuba diving is the mode of swimming See moreunderwater with the help of special breathing equipment. Try out the quiz and learn its basics before going for this activity. All the best!
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- 2.
The most important feature for consideration when selecting a regulator is.
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The Colour
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The number of hoses
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Ease of Breathing
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The Size
Correct Answer
A. Ease of BreathingExplanation
When selecting a regulator, the most important feature to consider is ease of breathing. This is crucial because a regulator is responsible for supplying air to the diver underwater. If the regulator is not easy to breathe from, it can cause discomfort, fatigue, and potentially compromise the diver's safety. Therefore, prioritizing ease of breathing ensures a comfortable and efficient diving experience.Rate this question:
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- 3.
Sound travels well in water and it is difficult to tell.
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Where the sound is coming from
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How loud the sound is
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What causes the sound
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Whether the sound is normal
Correct Answer
A. Where the sound is coming fromExplanation
Sound travels faster in water than in air, making it hard to determine its source.Rate this question:
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- 4.
The best place to carry an alternative air source is:
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Loose by your side so that you can find it fast
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In your pocket
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Clipped to the cylinder
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Attached to the triangle area between your chin and your chest
Correct Answer
A. Attached to the triangle area between your chin and your chestExplanation
The best place to carry an alternative air source is attached to the triangle area between your chin and your chest. This location ensures that the air source is easily accessible in case of an emergency. It allows for quick and efficient retrieval, minimizing the time it takes to access the alternative air source.Rate this question:
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- 5.
How can you avoid vertigo (dizziness and confusion) on a dive?
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Close your eyes
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Turn slowly while you look up
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Ascent (go up) and descend (go down) along the bottom or a reference line
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All of the above
Correct Answer
A. Ascent (go up) and descend (go down) along the bottom or a reference lineExplanation
Focusing on a fixed reference will prevent the effects of vertigo.Rate this question:
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- 6.
Underwater visibility (how far you can see horizontally) can be affected by.
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Water movement
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Weather
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Suspended particles (floating silt) in the water
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All of the above
Correct Answer
A. All of the aboveExplanation
Underwater visibility can be affected by various factors such as water movement, weather conditions, and suspended particles in the water. Water movement, such as currents or waves, can stir up sediment and decrease visibility. Weather conditions, such as rain or wind, can also impact visibility by introducing more particles into the water or causing surface turbulence. Additionally, suspended particles, like floating silt or algae, can reduce visibility by scattering or absorbing light. Therefore, all of these factors can contribute to the decrease in underwater visibility.Rate this question:
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- 7.
Most diver injuries caused by aquatic animals happen because:
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The animals think you are food
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The animal is aggressive (like a bully)
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The animal is protecting itself from you
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You did not feed the animal
Correct Answer
A. The animal is protecting itself from youExplanation
The correct answer is that the animal is protecting itself from you. When divers encounter aquatic animals, they may feel threatened or perceive the diver as a potential predator. In order to defend themselves, these animals may exhibit aggressive behavior, such as biting or stinging. It is important for divers to respect the animals' space and behavior, and to avoid any actions that may provoke defensive reactions.Rate this question:
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- 8.
Decompression sickness (DCS) is a condition that can be life-threatening. What forms in the bloodstream and tissues can cause this condition.
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Nitrogen bubbles
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Poisons
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Body waste
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Foam
Correct Answer
A. Nitrogen bubblesExplanation
Decompression sickness occurs when nitrogen bubbles form in the bloodstream and tissues. During activities such as scuba diving or flying at high altitudes, the body absorbs nitrogen from the air. If the pressure changes too quickly, such as during a rapid ascent or descent, the nitrogen can form bubbles in the body. These bubbles can block blood vessels, leading to various symptoms like joint pain, fatigue, and even paralysis. Therefore, the presence of nitrogen bubbles in the bloodstream and tissues can cause decompression sickness, making it a life-threatening condition.Rate this question:
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- 9.
The air in a scuba tank is comprised of _____ oxygen and _____ nitrogen.
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50%, 50%
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21%, 79%
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79%, 20%
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100%, 0%
Correct Answer
A. 21%, 79%Explanation
The air in a scuba tank is typically comprised of 21% oxygen and 79% nitrogen. This is similar to the composition of atmospheric air. However, it’s worth noting that there are other gas mixtures used in scuba diving depending on the specific requirements of the dive.Rate this question:
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- 10.
An object is neutrally buoyant when it displaces an amount of water ________ its own weight.
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Greater than
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Less than
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Equal to
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All of these
Correct Answer
A. Equal toExplanation
An object is neutrally buoyant when it displaces an amount of water equal to its own weight. This means that the upward buoyant force acting on the object is equal to the downward force of gravity, resulting in a net force of zero. As a result, the object neither sinks nor floats, but remains suspended in the water at a specific depth.Rate this question:
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- 11.
The most important feature of any weight system is.
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The size of the weights
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The ease of adjustment
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The shape of the weights
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A quick release mechanism
Correct Answer
A. A quick release mechanismExplanation
A quick release mechanism is the most important feature of any weight system because it allows for easy and efficient adjustments. This is essential for diver safety and convenience. It allows divers to easily shed their weights in case of an emergency or when needing to surface quickly. While other factors like the size, shape, and ease of adjustment of weights are important, the quick release mechanism is crucial for immediate safety and adaptability during a dive, making it an essential feature of a weight system in scuba diving.Rate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Nov 09, 2023Quiz Edited by
ProProfs Editorial Team -
Apr 28, 2007Quiz Created by
Tenerifedive
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