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      Home > Quizzes and Fun Tests > Science Quizzes > Divemaster-Physics Quiz

 Follow QuizMoz on Twitter  Divemaster-Physics Quiz

Welcome to the QuizMoz Divemaster-Physics Quiz. QuizMoz offers one of the Internet's largest collection of quizzes for you to tease your brain and pit your wits against the experienced QuizMoz quiz masters. Go ahead and find out what you know about yourself and the world around you. Best of luck!!

Coverage
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All it takes is two minutes to take the Divemaster-Physics Quiz and find out how much you know about the quiz and the characters in the quiz.

Quiz Created by:
shanghai_guy51
Creation Date: 2 May 2009
1. The unprotected human body loses heat approximately _____ times faster in water than in air
a.8
b.10
c.16
d.20

2. Refraction causes objects underwater to be magnified approximately
a.16%
b.25%
c.33%
d.50%
3. 4. Sound travels approximately ________ time faster in water than in air?
a.one
b.two
c.three
d.four
4. Underwater, most sounds seem to come from:
a.ahead
b.behind
c.side of your dominant ear
d.overhead
5. For a given percentage of gas in a mix of breathing gases, as depth increases, the physiological effect of that gas will
a.increase
b.decrease
c.remain unchanged
d.increase or decrease depending on the gas
6. When you raise the pressure of a gas in contact with a liquid
a.Liquid can hold more dissolved gas
b.There is no change in dissolved gas the liquid can hold
c.Dissolved gas tension decreases
d.The Dissolved gas surface tension inverts.
7. Super saturation is the state when
a.Pressure of a dissolved gas in a liquid equals the pressure of a gas in contact with the liquid
b.The pressure of a dissolved gas in a liquid exceeds the pressure of the gas in contact with the liquid.
c.Bubbles dissolve in a liquid due to an increase in pressure
d.None of the above
8. Water dissipates body heat faster than air does because
a.Water molecules are more dense, creating more efficient conduction
b.Water pressure inhibits molecular motion keeping it colder than air
c.It has a lower heat capacity
d.All of the above
9. Objects in the water are magnified due to:
a.Refraction
b.Visual inversion
c.Wider at the base than they are/
d.All of the above
10. The body responds to the ______ of a gas you breath, not the ________.
a.Percentage/ Partial pressure of a gas mixture
b.Partial pressure/ Percentage in the gas mixture
c.Density/viscosity
d.Viscosity/ Density
11. For a given percentage of gas in a mix of breathing gases, as the depth decrease, the physiological effect of that gas will
a.increase
b.decrease
c.remain unchanged
d.increase/decrease depending on the gas
12. When you raise the pressure of a gas in contact with a liquid
a.Liquid evaporates
b.Gas forms bubbles in the liquid
c.The liquid dissolves into the gas
d.The gas dissolves into the liquid
13. If the pressure in contact with a liquid is reduced enough to cause excessive supersaturation
a.The liquid can no longer hold the gas
b.Bubbles may form
c.The dissolved gas will eventually reach equilibrium with the new pressure
d.All of the above
14. How much faster does water dissipate heat?
a.5
b.10
c.20
d.40
15. Refraction magnifies objects by how much?
a.10%
b.4:3 or 33%
c.5:2
d.100%
Last improved on 5/24/2011 at 9:28:56 PM by Spencer
16. Bradycardia reduces circulation speed, it is:
a.the slowing of the heart
b.the speeding up of the heart
c.slowing of breathing
d.speeding up of breathing
17. Shallow water blackout is caused by hyperventilation reducing CO2 levels eliminating the breathing reflex.
a.True
b.False
18. Hypocapnia is insufficient carbon dioxide, caused by hyper ventilation, and can result in shallow water blackout.
a.True
b.False
19. Shallow water blackout only occurs at shallow water as the partial pressure of oxygen is lower.
a.true
b.false
20. How much does 5 cubic feet of water weigh?
a.320 lbs
b.360 Kg
c.330 Kg
d.340 lbs
21. A 175 kilogram/385 pound anchor that displaces 115 litres/4 cubic feet of water lies on the bottom in 14 metres/46 feet of salt water. What is the minimum amount of water that must be displaced from a lifting device to bring the anchor to the surface?
a.54.9 litres/2 cubic feet
b.60 litres/2.16 cubic feet
c.65 litres/2.34 cubic feet
d.110 litres/4 cubic feet
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What others think about Divemaster-Physics
By: S W on May 7, 2013
  Good Quiz... some repetition
By: dilek on Jun 20, 2011
  Nice quiz
By: L-777 on Mar 21, 2011
  It should be learnt properly and taken seriously, but it's interesting stuff
By: Mandy Esther on Oct 6, 2010
  Divemaster physics is a subject that needs a lot of concentration and studying...and is all about understanding.
By: going on Jul 13, 2010
  cool stuff
By: dish on Jul 13, 2010
  cool stuff
By: jpg on Sep 2, 2009
  great quiz
By: jpg on Aug 17, 2009
  good test. some repeat questions though.
  

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