Quiz 1-B Question Menu

1. Quiz 1-B Question Menu

2. Quiz 1 � B Question 1 An object is neutrally buoyant when it: A. sinks only in sea water. B. floats only in fresh water. C. neither sinks nor floats. D. None of the above.

3. Quiz 1 � B Question 2 An object that does not sink or float in fresh water will probably ______ in salt water. A. float B. sink C. not sink or float D. I can not tell from the question.

4. Quiz 1 � B Question 3 Imagine a diver is 20 metres/66 feet underwater. The water pressure at this depth would be ___ times more than the pressure at the surface. A. one B. two C. three D. four

5. Quiz 1 � B Question 4 Imagine you hold a glass upside down at the bottom of a swimming pool; you fill it with air from your scuba tank and you then take it to the surface without tipping it. As you ascend (go up), the air in the glass will _________. A. contract (air molecules will move closer together). B. expand (air molecules will move further apart). C. not change. D. There is not enough information to answer the question.

6. Quiz 1 � B Question 5 What can happen if you do not follow the most important rule in scuba diving? A. You could run out of air without warning. B. You may have an ear squeeze. C. Your lungs can over expand which could cause injury or death. D. You may have a reverse block.

7. Quiz 1 � B Question 6 What should you do if you have soreness or pain in one or both ears while you are descending (going down)? A. Stop descending (going down). B. Ascend (go up) until the soreness or pain  goes away, equalize and continue a slow descent (going down) equalizing more often. C. If you cannot equalize, do not continue the dive. D. All of the above.

8. Quiz 1 � B Question 7 Imagine you put air into a balloon at 10 metres/33 feet and then you take it to the surface. The air in the balloon will: A. stay the same as it was at 10 metres/33 feet. B. expand to twice the size as it was at 10 metres/33 feet. C. expand to four times the size as it was at 10 metres/33 feet. D. expand to eight times the size as it was at 10 metres/33 feet.

9. Quiz 1 � B Question 8 You want to look after all of your scuba equipment. One way to prevent the inside of your tank from wearing away is to: A. never let the tank empty completely. B. rinse the tank after diving. C. use a tank with a special paint finish. D. have the tank hydrostatically tested (pressure tested) every three years.

10. Quiz 1 � B Question 9 When rinsing a regulator second stage, do not: A. have it serviced by a qualified technician. B. press the purge button if it is not attached to a tank with the air turned on. C. rinse it in warm water after every use. D. store it in a cool, dry place when you are not using it.

11. Quiz 1 � B Question 10 What is the main reason you cannot use swimmer�s goggles for scuba diving? A. Goggles cause double vision at depth. B. You cannot adjust goggles. C. Goggles fog up too easily. D. You cannot equalize goggles.

12. Quiz 2 � B Question Menu

13. Quiz 2 � B Question 1 When you look at objects through water and through a mask, they seem: A. smaller. B. larger. C. longer and thinner. D. rounder.

14. Quiz 2 � B Question 2 __________ travels fast underwater and you may have difficulty telling where it came from. A. Sound B. Light C. Current D. Heat

15. Quiz 2 � B Question 3 If you get cold while scuba diving and you cannot stop shivering, what should you do? A. Try to warm up by swimming harder. B. Try to save your body heat by not moving your arms and legs. C. Stop diving right away, get out of  the water, and  change into something warm. D. Try to save your body heat by moving slowly.

16. Quiz 2 � B Question 4 You can move best underwater by: A. having the right amount of weight. B. clipping hoses and gauges out of the way so you are streamlined. C. moving slowly and steadily. D. All of the above.

17. Quiz 2 � B Question 5 Wet suits keep you warm as long as the water is trapped between your skin and the suit. To cut down on the water moving in and out of your wet suit: A. tape the wrists and cuffs. B. choose a suit with zippers. C. stay out of currents. D. wear a suit that fits properly.

18. Quiz 2 � B Question 6 Proper airway control allows you to: A. breathe past small amounts of water that may be in the snorkel or regulator. B. hold your breath longer and dive deeper. C. make big changes in your buoyancy without your BCD. D. All of the above.

19. Quiz 2 � B Question 7 The most important feature of a weight system is: A. the strength of the webbing. B. you can remove the weight easily with only one hand in an emergency. C. the size and shape of the weights. D. that it is easy to make it fit.

20. Quiz 2 � B Question 8 To signal distress (you need help) at the surface: A. take your mask off so you can see better. B. place one hand or both hands on your head. C. make a slashing motion across the throat. D. wave one or both arms.

21. Quiz 2 � B Question 9 When you practice the buddy system you and your buddy will: A. decide on how you will stay together. B. plan all dives together. C. make predive safety checks. D. All of the above.

22. Quiz 2 � B Question 10 Your alternate air source should be: A. hanging loose by your side. B. put into your pocket. C. easy to find by attaching it in the triangle area formed by your chin and the  corners of your  rib cage. D. a different color from your main regulator.

23. Quiz 3 - B Question Menu

24. Quiz 3 � B Question 1 For the most part, how far you can see underwater is determined by sunlight and ___________. A. water temperature B. suspended particles (floating silt) in the water C. salt in the water D. how close you are to the coastline

25. Quiz 3 � B Question 2 Without a reference line, compass or depth gauge you are most likely to become disorientated (confused) on your dive: A. at the bottom. B. at the surface. C. in midwater. D. any time you dive from a boat.

26. Quiz 3 � B Question 3 Imagine you are diving from a boat and you are caught in a strong current at the surface and cannot get back to the boat. You should: A. fight the current and swim across it. B. roll on your back so you can kick harder against the current. C. descend (go down) to the bottom. D. make yourself  float on the surface and signal for help.

27. Quiz 3 � B Question 4 You are more likely to be injured by an aquatic animal if you: A. wear gloves and a wet suit. B. touch animals, even if they look harmless. C. stay off the bottom. D. watch where you put your hands and feet.

28. Quiz 3 � B Question 5 Dive environments can be very different. It is recommended anytime you dive in a new or unfamiliar location that you: A. dive with an instructor. B. dive in a three person buddy team. C. get an area orientation. D. dive from a boat.

29. Quiz 3 � B Question 6 Imagine you are helping a diver who is struggling at the surface. Which of the following suggestions would calm the diver down? A. Help the diver establish ample buoyancy. B. Talk to the diver and offer support. C. Help the diver to reestablish breathing control. D. All the above.

30. Quiz 3 � B Question 7 A nonbreathing diver at the surface requires immediate: A. rescue breaths. B. emergency oxygen. C. recompression. D. treatment for shock.

31. Quiz 3 � B Question 8 If you have a problem at the surface you should: A. make yourself float right away. B. breathe through your snorkel. C. grab hold of your buddy. D. make sure your weights are in place.

32. Quiz 3 � B Question 9 Imagine you are very low on air and about to run out. What would you do? 5th - buoyant emergency ascent (dropping your weight system) 1st - normal ascent (going up normally) 6th - in the future you would look at your gauges more often so this would not happen 2nd - alternate air source ascent (using your buddy�s alternate air source) 4th - buddy breathing ascent (sharing a single source of air with your buddy) 3rd - controlled emergency swimming ascent (CESA � swimming up to the surface saying ah-h-h-h)

33. Quiz 3 � B Question 10 If available, give ______ to a diver who is unable to listen to or answer your questions. A. air B. nitrogen C. oxygen D. carbon dioxide

34. Quiz 4 - B Question Menu

35. Quiz 4 � B Question 1 Unless there are laws that say differently, how close should you stay to your dive flag? A. 15 metres/50 feet B. 30 metres/100 feet C. 60 metres/200 feet D. 90 metres/300 feet

36. Quiz 4 � B Question 2 To prevent contaminated air (bad air) problems, have your tanks: A. visually inspected. B. hydrostatically (pressure) tested. C. filled with pure oxygen. D. filled only by a dive center you trust.

37. Quiz 4 � B Question 3 Divers who act foolishly at depth may start acting normal again if they: A. breathe slowly and deeply. B. ascend (go up) to a shallower depth. C. are given pure oxygen. D. All of the above.

38. Quiz 4 � B Question 4 Bubbles blocking blood circulation (blood flow) in your body after a dive is caused by: A. too much dissolved nitrogen gas. B. the intoxicating (acting foolish) feelings of nitrogen under pressure. C. breathing always while ascending (going up). D. contaminated air (bad air).

39. Quiz 4 � B Question 5 Common signs and symptoms of decompression sickness (bubbles blocking blood circulation/flow in the body after a dive) include: A. acting foolishly. B. headache and red lips or nail beds. C. chest pain and coughing of blood. D. pain, weakness and inability to move arms and/or legs

40. Quiz 4 � B Question 6 When using the Recreational Dive Planner dive tables, you should not ascend (go up) any faster than: A. 30 metres/100 feet per minute. B. 1 metre/3 feet per second. C. 18 metres/60 feet per minute. D. 3 metres/10 feet per minute.

41. Quiz 4 � B Question 7 As a beginning novice diver, it is recommended that you dive no deeper than: A. 40 metres/130 feet B. 30 metres/100 feet C. 18 metres/60 feet D. 10 metres/30 feet

42. Quiz 4 � B Question 8 Imagine you dive to a depth of 11 metres/38 feet for 39 minutes. What would your pressure group (PG) be on your Recreational Dive Planner? A. H B. I C. K D. L

43. Quiz 4 � B Question 9 Imagine you have done a dive and you have stayed on the surface for a while. After this surface interval your pressure group on the Recreational Dive Planner is F. What is the maximum amount of bottom time you can spend doing a repetitive (second) dive to 17 metres/59 feet? A. 19 minutes B. 24 minutes C. 30 minutes D. 36 minutes

44. Quiz 4 � B Question 10 After a surface interval your pressure group on your Recreational Dive Planner is K. You want to do a repetitive (second) dive to 17 metres/56 feet for 19 minutes. What will be your new pressure group (PG) when you reach the surface? A. T B. N C. F D. V

45. Quiz 1 � B Question 1 Displacement of water more than own weight �object will float (positively buoyant) Displacement of water less than own weight �object will sink (negatively buoyant) Displacement of water equal to own weight � object will neither float nor sink (neutrally buoyant) If an object neither sinks nor floats it is neutrally buoyant

46. Quiz 1 � B Question 2 Buoyancy - the weight of water volume displaced The heavier the water - the greater the buoyancy for a given displacement Salt water weighs more than fresh water You�re more buoyant in salt water than in fresh An object neutrally buoyantin fresh water will float if putinto salt water

47. Quiz 1 � B Question 4 Air added to an air space to maintain volume expands when you reduce the pressure In an open container, such as a glass, excess air simply bubbles out into the surrounding water as you ascend Air added to a glass expands when you reduce the pressure

48. Quiz 1 � B Question 7 In an open container - excess air bubbles out into the surrounding water during ascent In a closed flexible container - the air is trapped and expands as you ascend 10 metres/33 feet is 2 atmospheres If you inflate a balloon at 10 metres/33 feet and take it to the surface, it will expand to twice the size as it was at 10 metres/33 feet

49. Quiz 1 � B Question 9 Rinse your regulator with warm running water When rinsing your regulator: Put the first stage dust cover firmly in place Do not use high-pressure water to rinse Don�t press the purge button while rinsing or soaking - this opens the second stage inlet valve and can allow water to flow up the hose into the first stage

50. Quiz 2 � B Question 5 Wet suits reduce heat loss - a layer of insulating foam neoprene over your skin Your body quickly heats the water � as longas water remains trapped in your suit youstay warm If water circulates in and out of your suit �you lose a lot of heat to incoming cold water Wet suits need to have a proper snug fit

51. Quiz 2 � B Question 9 To practice a buddy system: Agree on entry, exit point and dive objective Agree upon time and depth limits Establish and review communications Discuss how to stay together � what to do if separated Discuss emergency procedures Make predive safety checks

52. Quiz 3 � B Question 2 In limited visibility - it�s more difficult to stay with your buddy and keep track of where you are Diving in extremely clear water - the bottom may appear closer than it really is If you can�t use the surfaceor the bottom for referenceyou may become disorientedin midwater

53. Quiz 3 � B Question 3 When diving from a boat, if you become caught in a current at the surface and can�t get to the boat, don�t fight it: Fill your BCD to establish buoyancy (drop your weights if you have a BCD problem) Signal for help Rest, wait for boat pick up Above all, remain calm

54. Quiz 3 � B Question 4 Avoid potential problems with aquatic life: Treat all animals with respect Be cautious in extremely murky water Avoid wearing shiny, dangly jewelry Remove any speared fish from the water immediately Wear gloves and an exposure suit Maintain neutral buoyancy � move slowly and carefully Avoid contact with unfamiliar animals

55. Quiz 3 � B Question 5 To dive in an area for the first time - get an orientation to the local area The PADI Discover Local Diving experience is one way to do this Find out: What�s interesting about the site What to watch for Unique dive skills or procedures

56. Quiz 3 � B Question 6 You can control or prevent surface problems by: Diving within your limitations Establishing positive buoyancy on the surface There are basic steps to assisting another diver: Establish ample positive buoyancy Calm the diver Help the diver reestablish breathing control

57. Quiz 4 � B Question 1 Local laws regulate how close you have to stay to your flag, and how far boaters and skiers must stay away For areas where no laws stipulate these distances - stay within 15 metres/50 feet of your flag and boats should stay at least 30 to 60 metres/100 to 200 feet away

58. Quiz 4 � B Question 4 During a dive, the increase pressure causes nitrogen from the air you breathe to dissolve into your body tissues. Upon ascent - the excess nitrogen cannot stay dissolved in your body Nitrogen begins to come out of solution As nitrogen dissolves out of your body tissues - the excess nitrogen forms bubbles

59. Quiz 4 � B Question 8 Metric - Enter Table 1 along the top depth row labeled Start Follow the depth line to the right, use the exact or next greater depth � in this case the 12 metres column Follow the 12 metre column down until you find 39 minutes or the next greater time � in this case 42 minutes From 42 minutes, follow the horizontal row to the right to fine the letter I Imperial - Enter Table 1 along the top depth row labeled Start Follow the depth line to the right, use the exact or next greater depth � in this case the 40 foot column Follow the 40 foot column down until you find 39 minutes or the next greater time � in this case 40 minutes From 40 minutes, follow the horizontal row to the right to fine the letter I

60. Quiz 4 � B Question 9 Metric - Flip the RDP over and find pressure group F along the top row Along the left side of Table 3 locate 18 metres and follow the row horizontally to the right until you are under pressure group F There you�ll find two numbers 20 in the white portion and 36 in the blue portion 36 minutes is the adjusted no decompression limit Imperial - Flip the RDP over and find pressure group F along the top row Along the left side of Table 3 locate 60 feet and follow the row horizontally to the right until you are under pressure group F There you�ll find two numbers 19 in the white portion and 36 in the blue portion 36 minutes is the adjusted no decompression limit

61. Quiz 4 � B Question 10 Metric - Flip the RDP over and find pressure group K along the top row Along the left side of Table 3 locate 18 metres and follow the row horizontally to the right until you are under pressure group K There you�ll find two numbers 30 in the white portion and 26 in the blue portion 30 minutes RNT + 19 minutes ABT = 49 minutes TBT Flip the RDP over and along the top depth row find 18 metres Follow the 18 metre column down until you find 49 minutes or the next greater time From 51 minutes, follow the horizontal row to the right to fine the letter T Imperial - Flip the RDP over and find pressure group K along the top row Along the left side of Table 3 locate 60 feet and follow the row horizontally to the right until you are under pressure group K There you�ll find two numbers 29 in the white portion and 26 in the blue portion 29 minutes RNT + 19 minutes ABT = 48 minutes TBT Flip the RDP over and along the top depth row find 60 feet Follow the 60 foot column down until you find 48 minutes or the next greater time From 49 minutes, follow the horizontal row to the right to fine the letter T

62. Quiz 1 � B Question 3

63. Quiz 1 � B Question 5

64. Quiz 1 � B Question 6

65. Quiz 1 � B Question 8

66. Quiz 1 � B Question 10

67. Quiz 2 � B Question 1

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69. Quiz 2 � B Question 3

70. Quiz 2 � B Question 4

71. Quiz 2 � B Question 6

72. Quiz 2 � B Question 7

73. Quiz 2 � B Question 8

74. Quiz 2 � B Question 10

75. Quiz 3 � B Question 1

76. Quiz 3 � B Question 7

77. Quiz 3 � B Question 8

78. Quiz 3 � B Question 9

79. Quiz 3 � B Question 10

80. Quiz 4 � B Question 2

81. Quiz 4 � B Question 3

82. Quiz 4 � B Question 5

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84. Quiz 4 � B Question 7

85. Quiz 4 � B Question 8 Side 1 set the white triangle to 11 metres/39 feet � in this case 12 metres/ 40 feet Move yellow pointer triangle to point to 39 minutes Read up the pointer centerline until it crosses 12 metres/45 foot depth curve To the right of this intersection, find the pressure group whose arrow pierces 12 metres/45 feet - pressure group I

86. Quiz 4 � B Question 9 Side 2 indicated F diver Side 1 find the letter F in the white p.g. index and the black arrow that goes with it Set the tip of this arrow so that it touches (not pierces) the17 metre/59 foot depth curve � in this case 18 metre/60 feet Hold the disk in place, rotate the pointer until the centerline is aligned with the NDL mark on the 18 metres/60 foot curve The yellow triangle at the end of the pointer should point to36 minutes maximum allowable bottom time

87. Quiz 4 � B Question 10 Side 2 indicated K diver Side 1 find the letter K in the white p.g. index and the black arrow that goes with it Set the tip of this arrow so that it touches (not pierces) the17 metres/56 foot depth curve � in this case 18 metres/60 feet Hold the disk in place, rotate the pointer until the centerline is aligned with 19 minutes Read up the pointer centerline until it crosses the 18 metres/60 foot depth curve Find the pressure groups whose arrow pierces 18 metres/60 feet �pressure group T