TOPGRADE

SDI Computer Nitrox Diver Ch. 4 Exam Questions Correctly Answered. True or False: Because oxygen-rich gas mixtures cause greater heat loss than air does, you may need additional thermal protection for Nitrox diving. - CORRECT ANSWER False True or False: The pressure of a Nitrox tank wrap signifies a cylinder that has been pre-filled with EAN32. - CORRECT ANSWER False What are the changes that must be made to a regulator to prepare it for use with Nitrox mixtures whose FO2 does not exc...

SDI FTT 211-7477 PRACTICE EXAM. It involves the greatest investment of tooling. - CORRECT ANSWER Why is the lathe turning process the most involved? True - CORRECT ANSWER The proper temperature suggested for the browning process was 150°: 200°, but the best way to tell if it is hot enough is if the solution readily evaporates. True - CORRECT ANSWER T/F: The lathe turning process is the most involved process because it involves the greatest investment of tooling. False - CORRECT A...

SDI Environmental Science Study Guide Test. Controlled Study - CORRECT ANSWER By comparing a treatment (exposed) group and a control (unexposed) group, you have also made this a _________. Natural Experiment - CORRECT ANSWER This involves observation of events that have already happened. Critical Thinking - CORRECT ANSWER _________: A term we use to describe logical, orderly, analytical assessment of ideas, evidence, and arguments. Logical Thinking - CORRECT ANSWER This evaluates whe...

SDI Dry Suit Diver Complete Study Guide Test. Three factors that can affect your suit choice are __________, ___________, and ___________. a. depth of dive, length of dive, body type b. depth of dive, length of dive, water temperature c. air temperature, depth of dive, water temperature d. all of the above should be taken into consideration - CORRECT ANSWER d. all of the above should be taken into consideration Deep dives can be __________, _________, and require more exposure protec...

SDI Chapter 5 Exam Questions and Answers. Define risk management - CORRECT 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? - CORRECT ANSWER it can greaten the risk of decompression sickness what elements should you and your buddy agree on before the dive? - CORRECT ANSWER the depth, the time, the objective, and what to do when there is an emergency. Describe wha...

SDI Chapter 3 Exam Questions & Answers. What is the main purpose of a snorkel? - CORRECT 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? - CORRECT ANSWER You press it against your face and inhale through the nose, if it stays then you are good. Name at least one visual and one audible rescue signaling device. - CORRECT ANSWER Narrow tube and whistle. Name two basic fin designs and de...

SDI Gun Smithing Tools Lab (FTT 104) Study Guide Test. Mental Preparation - CORRECT ANSWER Preparation for disassembly is threefold: Preparation of the Firearm, Preparation of Your Workspace and Tools, and which of the following: Ball-Peen Hammer - CORRECT ANSWER Which hammer is the workhorse of all the different hammers, capable of handling any project, large or small? Brass Hammer - CORRECT ANSWER Which hammer is usually reserved for smaller jobs, driving smaller pins that require l...

SDI Environmental Science Review Practice Test. Nitrogen Oxides (N2) - CORRECT ANSWER ___________: These are highly reactive gases formed when the heat of combustion initiates reactions between atmospheric nitrogen (N2) and oxygen (O2). Sulfur Dioxide (So2) - CORRECT ANSWER ___________: This is a colorless, corrosive gas that damages both plants and animals. Ambient Air - CORRECT ANSWER This is the air around us. Non-point Source - CORRECT ANSWER Fugitive, or __________, emissions ...

SDI Chapter 4 Practice Exam Questions & Answers. describe all the steps to assemble a BCD and regulator to a scuba cylinder. - CORRECT 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 dust cap, hold first stage in left hand, rotate the chambers until the primary second stage sits on the right. Screw the knob on your first sta...

SDI Firearms Inspection and Troubleshooting (FTT 111) Study Guide Test. Which of the following statements are not true about safety and ammunition? - CORRECT ANSWER Always keep ammunition in the gunsmithing area It is required to both __________________ and _____________________ once the action is open to ensure the weapon is safe. - CORRECT ANSWER Visually Check; Physically Check The initial function check is to be done: - CORRECT ANSWER With no rounds or snap caps Some break-acti...

SDI Firearm Finishes and Engraving (FTT 201) Study Exam Questions. T/F: One possible indicator that a barrel is likely to shoot poorly is pitting near the crown. - CORRECT ANSWER TRUE Lands in the throat are which are uneven in their short points are usually caused by: - CORRECT ANSWER Cleaning Rod Damage According to Joe Carlos, what must you do with a barrel to know for certain what its current capabilities are? - CORRECT ANSWER Shoot It T/F: The electropolishing process both imp...

Scuba AFS 270 SDI REVIEW PRACTICE TEST. closer and larger - CORRECT ANSWER objects underwater appear ___ and ___ than they do on land 4 (none of the above) - CORRECT ANSWER As you descend: 1: Colors will remain largely the same. 2: Blues and grays disappear quickly. 3: Dive lights have little effect on apparent color. 4: None of the above. 25x - CORRECT ANSWER Water conducts heat away from your body ____x as fast as air does thermocline - CORRECT ANSWER When water stratifies i...

SDI Open Water Practice Test Questions & Answers. Describe all the steps to assemble a BCD and regulator to a scuba cylinder. - CORRECT 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 cylinder valve. Fasten the buckles. Remove dust cap, hold first stage in left hand, rotate the chambers until the primary second stage sits on ...

SDI Star Wars Review Practice Test. For which of the following purposes did President Reagan ask Congress to authorize $20 billion? - CORRECT ANSWER To evaluate the Strategic Defense Initiative (SDI) program's chances of success Which of the following is true about the doctrine of mutually assured destruction (MAD)? - CORRECT ANSWER It relied on the idea that fear keeps the peace. Which of the following was a consequence of Senator Edward Kennedy terming the Strategic Defense Initiativ...

SDI DM Pre-Test Exam Questions. Which of the following methods are appropriate for accounting for divers at the end of the dive? 1: Head count. 2: Equipment count. 3: Checking for empty seats on the boat. 4: A 'by name" roll call. - CORRECT ANSWER A 'by name" roll call. The first step in assisting a tired diver back to the boat or shore is to ensure that the diver is: 1: Positively Buoyant 2: Negatively Buoyant 3: Nauseous 4: Neutrally Buoyant - CORRECT ANSWER Positively Buoyan...

Advanced Ballistics SDI Review Exam Questions. Gravity and the force due to the air flow around the bullet. - CORRECT ANSWER After a bullet leaves the rifle barrel, what two forces act on the bullet's trajectory? The amount of pressure necessary for the bullet to overcome the initial forces of friction - CORRECT ANSWER What is "start pressure?" Safety - CORRECT ANSWER What is always the first consideration when reloading any cartridge? True - CORRECT ANSWER The cleaning of the pri...

SDI Certification Review Practice Test. What does SCUBA stand for? - CORRECT ANSWER Self Contained Underwater Breathing Apparatus List the three important scuba diving changes that occurred in the 1950s - CORRECT ANSWER 1) Dive tables published for repetitive dives 2) Improved design/quality of scuba gear 3) Dive computers commercially available Name three different devices that modern dive computers replace - CORRECT ANSWER Depth gauge, dive tables, watch What sets SDI apar...

SDI Intro to Firearms (FFT 100) Study Guide Test. Welding and Heating Treating - CORRECT ANSWER A ventilated hood, bench grinder, and a heavy duty bench vise are items that are found in the _____________ area of the gun shop. Cartridge Stop - CORRECT ANSWER According to the video, SDI Intro to Gunsmithing, which mechanism of the 12 gauge pump ejects the shell? F. Dumoulin - CORRECT ANSWER In the article titled, Gunsmithing Requires Innovation, the author had trouble finding reference ...

SDI Intro to Firearms Exam Questions & Answers. Running electrical, setting up an inspection with your local office, and remodeling are all considerations for what kind of gunsmithing shop? - CORRECT ANSWER Outbuilding If a machine is in good working condition, making adjustments and taking measurements while the machine is running is completely acceptable. True or False? - CORRECT ANSWER False If a customer enters your facility and discusses the type of round that was used to kill thei...

SDI Computer Nitrox Exam Guide Questions & Answers. True - CORRECT ANSWER True or False. Oxygen Enriched Air is a term some divers use to refer to Nitrox. Nitrogen and Oxygen - CORRECT ANSWER The air we normally breathe consists primarily of: Enriched Air, Enriched Air Nitrox, Nitrox, Etc. - CORRECT ANSWER A mixture of nitrogen and oxygen in which the percentage of oxygen is greater than that found in air is generally called: Blender - CORRECT ANSWER The person who creates the Nitr...