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Welding and Heating Treating - 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 - Answer- According to the video, SDI Intro to Gunsmithing, which mechanism of the 12 gauge pump ejects the shell...

Objects under water appear: - Answer- Closer and larger than they do on land What happens to colors under water - Answer- As you descend, colors appear to fade, not intensify. Blues and grays are the last remaining colors at depth. Because sound travels faster under water: - Answer- Sound's i...

Running electrical, setting up an inspection with your local office, and remodeling are all considerations for what kind of gunsmithing shop? - Answer- Outbuilding If a machine is in good working condition, making adjustments and taking measurements while the machine is running is completely acce...

Gravity and the force due to the air flow around the bullet. - 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 - Answer- What is "start pressure?" Safet...

closer and larger - Answer- objects underwater appear ___ and ___ than they do on land 4 (none of the above) - 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. 25...

How many more times dense is the air in a balloon at 4 atm compared to the air density at the surface?

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. - Answer- A 'by name" roll call. The first step in assisting a tired diver back to the boa...

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 cyl...

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...

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 avail...

Objects under water appear 60 percent larger than they do on land. - Answer- true As you descend: - Answer- Colors appear to fade. Reds and oranges are among the first colors to disappear. At 30 m/99 ft, little color remains other than blues, grays, blacks and whites. All of the above. Beca...

T/F Our environment stimulates our senses, either directly or indirectly, through a total of four senses (sight, hearing, taste, and smell) that make it possible for us to know about our environment. - Answer- False T/F A common descriptive definition is that time is the continuous, forward flow ...