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A ventilated hood, bench grinder, and a heavy duty bench vise are items that are found in the _____________ area of the gun shop. → Welding and Heating Treating According to the video, SDI Intro to Gunsmithing, which mechanism of the 12 gauge pump ejects the shell? → Cartridge Stop In the article titled, Gunsmithing Requires Innovation, the author had trouble finding reference material on which of the following barrel makers? → F. Dumoulin True/False: If the firearm is on saf...

Preparation for disassembly is threefold: Preparation of the Firearm, Preparation of Your Workspace and Tools, and which of the following: → Mental Preparation Which hammer is the workhorse of all the different hammers, capable of handling any project, large or small? → Ball-Peen Hammer Which hammer is usually reserved for smaller jobs, driving smaller pins that require less force? → Brass Hammer When cleaning a firearm, the second step in the process is which of the following: ...

Why is the lathe turning process the most involved? → It involves the greatest investment of tooling. 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 T/F: The lathe turning process is the most involved process because it involves the greatest investment of tooling. → True T/F: The shape of the muzzle is critical primarily for aesthetic reasons. → False What i...

One possible indicator that a barrel is likely to shoot poorly is pitting near the crown. → TRUE Lands in the throat are which are uneven in their short points are usually caused by: → Cleaning Rod Damage According to Joe Carlos, what must you do with a barrel to know for certain what its current capabilities are? → Shoot It T/F: The electropolishing process both improves barrel accuracy and is safe for the environment. → FALSE Joe Carlos' experiment showed that electropol...

What is the absolute pressure (in atm) at 66 feet? → 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? → 8 cubic feet How many more times dense is the air in a balloon at 4 atm compared to the air density at the surface? → 4 X as dense What is the abbreviation for an atmosphere? → atm If a scuba cylindar lasts 2 hours (120 minutes) at sea level, how long will it last at 66 feet? → 40 minutes How...

By comparing a treatment (exposed) group and a control (unexposed) group, you have also made this a _________. → Controlled Study This involves observation of events that have already happened. → Natural Experiment _________: A term we use to describe logical, orderly, analytical assessment of ideas, evidence, and arguments. → Critical Thinking This evaluates whether the structure of your argument makes sense. → Logical Thinking Repeating studies or tests is known as ________...

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 → d. all of the above should be taken into consideration Deep dives can be __________, _________, and require more exposure protection. a. colder/longer b. colder/lighter c. shorter/warmer ...

SDI DIVEMASTER STUDY SET CHAPTER 1 QUESTIONS AND CORRECT ANSWERS THE LATEST UPDATE AND RECOMMENDED VERSION

SDI Chapter three: Scuba Equipment Questions and Correct Answers the Latest Update and Recommended Version