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SDI Scuba Certification Exam
SDI Scuba Certification Exam
[Mostrar más]SDI Scuba Certification Exam
[Mostrar más]Which of the statements concerning sound transmission underwater is 
incorrect? 
-Sound will travel farther underwater then in air 
-Divers find it difficult to locate the direction of a sound producing 
source 
-Divers find it easy to talk to each other directly through water 
-Sound travels four t...
Vista previa 2 fuera de 10 páginas
Añadir al carritoWhich of the statements concerning sound transmission underwater is 
incorrect? 
-Sound will travel farther underwater then in air 
-Divers find it difficult to locate the direction of a sound producing 
source 
-Divers find it easy to talk to each other directly through water 
-Sound travels four t...
S 
What is the main purpose of a snorkel? - ANSWER-It's useful on long 
surface swims because it allows you to conserve air from your scuba 
cylinder. 
How do you know if a mask fits correctly? - ANSWER-You press it 
against your face and inhale through the nose, if it stays then you are 
good. 
Na...
Vista previa 1 fuera de 3 páginas
Añadir al carritoS 
What is the main purpose of a snorkel? - ANSWER-It's useful on long 
surface swims because it allows you to conserve air from your scuba 
cylinder. 
How do you know if a mask fits correctly? - ANSWER-You press it 
against your face and inhale through the nose, if it stays then you are 
good. 
Na...
Define risk management. - answer-A means of preventing problems 
and planning a response to any emergency that arises. The concept 
of risk management involves planning ahead, employing good diving 
practices, and knowing what to do before an emergency arises. 
Without a plan, a simple problem can q...
Vista previa 1 fuera de 3 páginas
Añadir al carritoDefine risk management. - answer-A means of preventing problems 
and planning a response to any emergency that arises. The concept 
of risk management involves planning ahead, employing good diving 
practices, and knowing what to do before an emergency arises. 
Without a plan, a simple problem can q...
Describe all the steps to assemble a BCD and regulator to a scuba 
cylinder. - ANSWER-Spin the tank around so that the back of the 
valve is facing you. Place the BCD band(s) over the top of the cylinder 
so that the back of the BCD is facing you. Raise or lower the BCD so 
the top is even with the ...
Vista previa 1 fuera de 3 páginas
Añadir al carritoDescribe all the steps to assemble a BCD and regulator to a scuba 
cylinder. - ANSWER-Spin the tank around so that the back of the 
valve is facing you. Place the BCD band(s) over the top of the cylinder 
so that the back of the BCD is facing you. Raise or lower the BCD so 
the top is even with the ...
Standards, Procedures and The 
Recreational Dive Leader Divemaster 
Exam and questions 
1. An effective dive leader will also always be an effective: - answer-A. 
Captain 
B. Instructor 
C. Assistant Instructor 
D. Role Model 
2. In Promoting your business as a dive leader, what type of marketing 
d...
Vista previa 2 fuera de 6 páginas
Añadir al carritoStandards, Procedures and The 
Recreational Dive Leader Divemaster 
Exam and questions 
1. An effective dive leader will also always be an effective: - answer-A. 
Captain 
B. Instructor 
C. Assistant Instructor 
D. Role Model 
2. In Promoting your business as a dive leader, what type of marketing 
d...
What does scuba stand for? - ANSWER-self contained underwater 
breathing apparatus 
List the 3 important scuba diving changes that occurred in the 1950s. - 
ANSWER-dive tables, pdc [personal dive computer], enhanced diving 
equipment 
Name 3 different devices that modern dive computers replace. - 
A...
Vista previa 1 fuera de 2 páginas
Añadir al carritoWhat does scuba stand for? - ANSWER-self contained underwater 
breathing apparatus 
List the 3 important scuba diving changes that occurred in the 1950s. - 
ANSWER-dive tables, pdc [personal dive computer], enhanced diving 
equipment 
Name 3 different devices that modern dive computers replace. - 
A...
Questions and Answers from SDI Quizzes 
WITH CORRECT ANSWERS 
Objects underwater appear: - ANSWER-both closer and larger than 
they do on land 
What happens to colors as you descend? - ANSWER-they appear to 
fade 
How much faster does sound travel in water, compared to air? - 
ANSWER-four times as f...
Vista previa 2 fuera de 11 páginas
Añadir al carritoQuestions and Answers from SDI Quizzes 
WITH CORRECT ANSWERS 
Objects underwater appear: - ANSWER-both closer and larger than 
they do on land 
What happens to colors as you descend? - ANSWER-they appear to 
fade 
How much faster does sound travel in water, compared to air? - 
ANSWER-four times as f...
describe all the steps to assemble a BCD and regulator to a scuba 
cylinder. - answer-Spin the tank around so that the back of the valve is 
facing you. Place the BCD band(s) over the top of the cylinder. Raise 
or lower the BCD so the top is even with the cylinder valve. Fasten the 
buckles. Remove...
Vista previa 1 fuera de 3 páginas
Añadir al carritodescribe all the steps to assemble a BCD and regulator to a scuba 
cylinder. - answer-Spin the tank around so that the back of the valve is 
facing you. Place the BCD band(s) over the top of the cylinder. Raise 
or lower the BCD so the top is even with the cylinder valve. Fasten the 
buckles. Remove...
SDI chapter 5 questions and answers 
Define risk management - answer-Planning ahead, employing good 
diving practices, and knowing what to do before an emergency arises. 
Why should you avoid consuming drugs or alcohol prior to a dive? - 
answer-it can greaten the risk of decompression sickness 
wha...
Vista previa 1 fuera de 2 páginas
Añadir al carritoSDI chapter 5 questions and answers 
Define risk management - answer-Planning ahead, employing good 
diving practices, and knowing what to do before an emergency arises. 
Why should you avoid consuming drugs or alcohol prior to a dive? - 
answer-it can greaten the risk of decompression sickness 
wha...
SDI Final Exam with complete solution 
Objects under water appear: 
1: The same size as they do on land. 
2: Twice as large as they do on land. 
3: Closer and larger than they do on land. 
4: Smaller and farther away than they do on land. - answer-Closer and 
larger than they do on land. 
As you des...
Vista previa 3 fuera de 23 páginas
Añadir al carritoSDI Final Exam with complete solution 
Objects under water appear: 
1: The same size as they do on land. 
2: Twice as large as they do on land. 
3: Closer and larger than they do on land. 
4: Smaller and farther away than they do on land. - answer-Closer and 
larger than they do on land. 
As you des...
What does SCUBA stand for? - answer-Self 
Contained 
Underwater 
Breathing 
Apparatus 
List the three important scuba diving changes that occurred in the 
1950s - answer-1) Dive tables published for repetitive dives 
2) Improved design/quality of scuba gear 
3) Dive computers commercially available ...
Vista previa 2 fuera de 8 páginas
Añadir al carritoWhat does SCUBA stand for? - answer-Self 
Contained 
Underwater 
Breathing 
Apparatus 
List the three important scuba diving changes that occurred in the 
1950s - answer-1) Dive tables published for repetitive dives 
2) Improved design/quality of scuba gear 
3) Dive computers commercially available ...
Objects under water appear - ANSWER-Closer and larger than they 
do on land 
How much faster does sound travel in water, compared to air? - 
ANSWER-4 times 
Water conducts heat away from your body - ANSWER-25 times faster 
than air does 
As you descend - ANSWER-colors fade, reds and oranges fade fir...
Vista previa 2 fuera de 10 páginas
Añadir al carritoObjects under water appear - ANSWER-Closer and larger than they 
do on land 
How much faster does sound travel in water, compared to air? - 
ANSWER-4 times 
Water conducts heat away from your body - ANSWER-25 times faster 
than air does 
As you descend - ANSWER-colors fade, reds and oranges fade fir...
Define SCUBA - answer-S - self 
C - contained 
U - underwater 
B - breathing 
A - apparatus 
List 3 important scuba diving changes that occurred in 1950s - 
answer-1) published USN dive tables 
2) invented the personal dive computer 
3) equipment manufacturers made improvements to the design and 
wo...
Vista previa 2 fuera de 14 páginas
Añadir al carritoDefine SCUBA - answer-S - self 
C - contained 
U - underwater 
B - breathing 
A - apparatus 
List 3 important scuba diving changes that occurred in 1950s - 
answer-1) published USN dive tables 
2) invented the personal dive computer 
3) equipment manufacturers made improvements to the design and 
wo...
What is the absolute pressure (in atm) at 66 feet? - answer-2 atm 
What will be the volume in a ball that is filled with two cubic feet of air at 99 feet when 
it's taken to the surface? - answer-8 cubic feet 
How many more times dense is the air in a balloon at 4 atm compared to the air density 
a...
Vista previa 2 fuera de 9 páginas
Añadir al carritoWhat is the absolute pressure (in atm) at 66 feet? - answer-2 atm 
What will be the volume in a ball that is filled with two cubic feet of air at 99 feet when 
it's taken to the surface? - answer-8 cubic feet 
How many more times dense is the air in a balloon at 4 atm compared to the air density 
a...
SDI Open Water Scuba Diver Exam + Q's 
and correct answers 
How big do Objects underwater appear 
Objects appear 33% larger underwater. 
How far away do objects appear underwater? 
Objects appear 25% closer. 
How much faster does sound travel in water, compared to air? 
4 times 
How fast does Water...
Vista previa 3 fuera de 23 páginas
Añadir al carritoSDI Open Water Scuba Diver Exam + Q's 
and correct answers 
How big do Objects underwater appear 
Objects appear 33% larger underwater. 
How far away do objects appear underwater? 
Objects appear 25% closer. 
How much faster does sound travel in water, compared to air? 
4 times 
How fast does Water...
SDI Open Water Questions with complete 
solution 
Describe all the steps to assemble a BCD and regulator to a scuba cylinder. - 
answer-Spin the tank around so that the back of the valve is facing you. Place the BCD 
band(s) over the top of the cylinder so that the back of the BCD is facing you. Rai...
Vista previa 2 fuera de 12 páginas
Añadir al carritoSDI Open Water Questions with complete 
solution 
Describe all the steps to assemble a BCD and regulator to a scuba cylinder. - 
answer-Spin the tank around so that the back of the valve is facing you. Place the BCD 
band(s) over the top of the cylinder so that the back of the BCD is facing you. Rai...
SDI Open Water Scuba Diver Exam 
Questions and answers 2024 
Objects under water appear - ANSWER-Closer and larger than they do on land 
How much faster does sound travel in water, compared to air? - ANSWER-4 times 
Water conducts heat away from your body - ANSWER-25 times faster than air does 
As y...
Vista previa 2 fuera de 7 páginas
Añadir al carritoSDI Open Water Scuba Diver Exam 
Questions and answers 2024 
Objects under water appear - ANSWER-Closer and larger than they do on land 
How much faster does sound travel in water, compared to air? - ANSWER-4 times 
Water conducts heat away from your body - ANSWER-25 times faster than air does 
As y...
SDI: open water 
CH 2 : What is the most important rule in scuba diving? - ANSWER-never hold your 
breath 
CH 4 : Describe from start to finish the steps to disassembling your scuba system - 
ANSWER-- remove accessories and weights 
- decompress the system : turn the valve knob completely clockwise,...
Vista previa 2 fuera de 9 páginas
Añadir al carritoSDI: open water 
CH 2 : What is the most important rule in scuba diving? - ANSWER-never hold your 
breath 
CH 4 : Describe from start to finish the steps to disassembling your scuba system - 
ANSWER-- remove accessories and weights 
- decompress the system : turn the valve knob completely clockwise,...
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