PADI /
Open
/ /
Water
/ /
Diver
/ /
Certification
/ /
Exam Questions With Correct Answers
/ // // // //
SCUBA //- //verified //answer(s)-✔✔Self //contained //underwater //breathing //apparatus
What //is //the //pressure //change //for //each //10m/33ft //of //depth //change? //- //verified //answer(s)-
✔✔1 //bar/1 //ata/1 //atmosphere
What /
/is //the //relationship //between //my //depth //in //water //and //the //pressure? //- //verified //answer(s)-
✔✔The //deeper //you //go //in //water, //the //more //the //pressure //increases
Pressure //is //expressed //as //the //weight //of //air
What /
/is //the //relationship //between //pressure, //and //the //volume //and //the //density //of //air? //- //verified
//answer(s)-
✔✔As //pressure //increases, //the //gas //volume //decreases //and //the //gas //density //increases
If //I //take //a //volume //of //air //from //one //depth //to //another //depth, //how //much //will //the //volume
//and //density //change? //- //verified //answer(s)-✔✔Volume //will //be //1/ata#
Density //will //be //ata#
,What //
3/
/major /
/body //air //spaces //does //increasing //pressure //affect //as //I //descend? //- //verified //answer(s)-
✔✔Ears, //sinuses, //mask
What //is //a //"squeeze"? //- //verified //answer(s)-
✔✔The //discomfort //caused //by //pressure //imbalance //pulling //tissue //into //the //air //space
What //is //"equalization"? //- //verified //answer(s)-
✔✔The //addition //of //air //to //your //air //spaces //as //you //descend
How //do //I //equalize //as //I //descend? //- //verified //answer(s)-
✔✔For /
/ears //and //sinuses, //pinch //your //nose //and //blow //gently, //or //wiggle //your //jaw //and //swallow
For //mask, //blow //into //it //with //nose
How //often //should //I //equalize? //- //verified //answer(s)-✔✔Every //meter/few //feet, //BEFORE //you
//feel //discomfort
What //should //I //do //if //I //can't //equalize? //- //verified //answer(s)-
✔✔Stop /
/your //descent, //signal //problem //and //point //to //your //ear, //ascend //a //bit, //and //try //again
What /
/can /
/happen //if //I //don't //or //can't //equalize //gently //and //keep //descending? //- //verified //answer(s)-
✔✔Fluid //can //rupture //the //eardrum
Bruising //around //the //face //can //occur
,Why /
/does //
a/
/congestion /
/from //a //cold //or //allergy //temporarily //keep //me //from //diving? //- //verified //answer(s)-
✔✔Congestion //might //block //normal //air //flow, //making //equalization //difficult //or //impossible
Why //should //I //never //dive //with //earplugs? //- //verified //answer(s)-
✔✔They //create //air //spaces //that //you //can't //equalize
What /
/other /
/body /
/air /
/spaces /
/are //affected //by //increasing //pressure? //How //do //I //equalize //them? //- //verified //answer(s)-
✔✔In //filled //teeth //- //go //to //a //dentist
In //a //dry //suit //- //learn //from //an //instructor
Lungs //- //breathe //normally //and //continuously
What //is //the //most //important //rule //in //scuba //diving? //- //verified //answer(s)-
✔✔Breathe //continuously //and //never //hold //your //breath
What /
/can /
/happen //if //I //don't //follow //the //most //important //rule //in //scuba //diving? //- //verified //answer(s)-
✔✔Your //lungs //will //over //expand //and //rupture
What //is //a //"reverse //block"? //- //verified //answer(s)-
✔✔When //expanding //air //becomes //trapped //in //your //body //air //spaces //as //you //ascend
, What /
/should //
I/
/do /
/if //
I/
/feel /
/discomfort //in //my //ears, //sinuses, //stomach, //intestines, //or //teeth //while //ascending? //- //verified
//answer(s)-
✔✔Stop /
/your /
/ascent /
/and /
/descend //
a //meter/few //feet //to //reduce //discomfort //and //give //trapped //air //time //to //work //its //way //out
How //does //depth //affect //how //long //my //air //supply //lasts? //- //verified //answer(s)-
✔✔The /
/deeper /
/you /
/are, /
/the /
/more /
/dense /
/air /
/you /
/breathe, /
/and /
/the /
/faster /
/you /
/use /
/the /
/air /
/in /
/your /
Open
/ /
Water
/ /
Diver
/ /
Certification
/ /
Exam Questions With Correct Answers
/ // // // //
SCUBA //- //verified //answer(s)-✔✔Self //contained //underwater //breathing //apparatus
What //is //the //pressure //change //for //each //10m/33ft //of //depth //change? //- //verified //answer(s)-
✔✔1 //bar/1 //ata/1 //atmosphere
What /
/is //the //relationship //between //my //depth //in //water //and //the //pressure? //- //verified //answer(s)-
✔✔The //deeper //you //go //in //water, //the //more //the //pressure //increases
Pressure //is //expressed //as //the //weight //of //air
What /
/is //the //relationship //between //pressure, //and //the //volume //and //the //density //of //air? //- //verified
//answer(s)-
✔✔As //pressure //increases, //the //gas //volume //decreases //and //the //gas //density //increases
If //I //take //a //volume //of //air //from //one //depth //to //another //depth, //how //much //will //the //volume
//and //density //change? //- //verified //answer(s)-✔✔Volume //will //be //1/ata#
Density //will //be //ata#
,What //
3/
/major /
/body //air //spaces //does //increasing //pressure //affect //as //I //descend? //- //verified //answer(s)-
✔✔Ears, //sinuses, //mask
What //is //a //"squeeze"? //- //verified //answer(s)-
✔✔The //discomfort //caused //by //pressure //imbalance //pulling //tissue //into //the //air //space
What //is //"equalization"? //- //verified //answer(s)-
✔✔The //addition //of //air //to //your //air //spaces //as //you //descend
How //do //I //equalize //as //I //descend? //- //verified //answer(s)-
✔✔For /
/ears //and //sinuses, //pinch //your //nose //and //blow //gently, //or //wiggle //your //jaw //and //swallow
For //mask, //blow //into //it //with //nose
How //often //should //I //equalize? //- //verified //answer(s)-✔✔Every //meter/few //feet, //BEFORE //you
//feel //discomfort
What //should //I //do //if //I //can't //equalize? //- //verified //answer(s)-
✔✔Stop /
/your //descent, //signal //problem //and //point //to //your //ear, //ascend //a //bit, //and //try //again
What /
/can /
/happen //if //I //don't //or //can't //equalize //gently //and //keep //descending? //- //verified //answer(s)-
✔✔Fluid //can //rupture //the //eardrum
Bruising //around //the //face //can //occur
,Why /
/does //
a/
/congestion /
/from //a //cold //or //allergy //temporarily //keep //me //from //diving? //- //verified //answer(s)-
✔✔Congestion //might //block //normal //air //flow, //making //equalization //difficult //or //impossible
Why //should //I //never //dive //with //earplugs? //- //verified //answer(s)-
✔✔They //create //air //spaces //that //you //can't //equalize
What /
/other /
/body /
/air /
/spaces /
/are //affected //by //increasing //pressure? //How //do //I //equalize //them? //- //verified //answer(s)-
✔✔In //filled //teeth //- //go //to //a //dentist
In //a //dry //suit //- //learn //from //an //instructor
Lungs //- //breathe //normally //and //continuously
What //is //the //most //important //rule //in //scuba //diving? //- //verified //answer(s)-
✔✔Breathe //continuously //and //never //hold //your //breath
What /
/can /
/happen //if //I //don't //follow //the //most //important //rule //in //scuba //diving? //- //verified //answer(s)-
✔✔Your //lungs //will //over //expand //and //rupture
What //is //a //"reverse //block"? //- //verified //answer(s)-
✔✔When //expanding //air //becomes //trapped //in //your //body //air //spaces //as //you //ascend
, What /
/should //
I/
/do /
/if //
I/
/feel /
/discomfort //in //my //ears, //sinuses, //stomach, //intestines, //or //teeth //while //ascending? //- //verified
//answer(s)-
✔✔Stop /
/your /
/ascent /
/and /
/descend //
a //meter/few //feet //to //reduce //discomfort //and //give //trapped //air //time //to //work //its //way //out
How //does //depth //affect //how //long //my //air //supply //lasts? //- //verified //answer(s)-
✔✔The /
/deeper /
/you /
/are, /
/the /
/more /
/dense /
/air /
/you /
/breathe, /
/and /
/the /
/faster /
/you /
/use /
/the /
/air /
/in /
/your /
