Soldering

Question 1

How much does a 6lb. iron weigh?

Answer 1

3lbs

Question 2

Sweat soldering is ____.

Answer 2

Pulling solder into the joint

Question 3

Soft solder is composed of______.

Answer 3

Tin & Lead

Question 4

Soft solder temperature is below______.

Answer 4

700 degees

Question 5

What is a pre-tinned joint?

Answer 5

Applying solder to both surfaces before joining them.

Question 6

Soldering fluxes remove ______ that form a film on the Metal surface.

Answer 6

Oxides

Question 7

If the edges of the Metal are melted together this is ____?

Answer 7

Welding

Question 8

Acid on solder joints can be neutralized with _____ in water.

Answer 8

Baking soda

Question 9

If a liquid flux is yellow in color and has a very pungent odor it is _____acid.

Answer 9

Muriatic

Question 10

The melting point of 50/50 solder is about ____.

Answer 10

418 degrees

Question 11

What is tinning an iron?

Answer 11

Covering the point with solder

Question 12

In the dip pot there is a solution of water and _____.

Answer 12

Sal ammoniac

Question 13

Skim soldering is ____.

Answer 13

Applying solder to the surface of the joint only.

Question 14

For general soldering tin how many sides of the tip____.

Answer 14

All

Question 15

If two pieces of metal are joined by heat without melting the metal this is____.

Answer 15

Soldering

Question 16

If liquid flux is clear with no odor it is _______ acid.

Answer 16

Cut

Question 17

If a soft solder is “60-40” it is ____.

Answer 17

Tin-Lead

Question 18

The sound a properly heated Iron makes when dipped into the pot is _____.

Answer 18

Sharp, fast, and sizzzling

Question 19

The purpose of the heated iron is to _______ not just to melt the solder

Answer 19

Heat the metal

Question 20

Melted solder will flow to the area of greatest_____.

Answer 20

Heat