Soldering and circuit cards

Question 1

Which type of solder joint has an irregular or crystallized appearance and the solder joint may be chipped off with a finger nail or a pointed tool?

Answer 1

Disturbed solder joint

Question 2

What is the proper way to fix a cold solder joint?

Answer 2

Reheat the joint

Question 3

Which type of improper solder joints us salt require the use of a multi meter to be detected?

Answer 3

Insufficient and no solder joint

Question 4

What is used to restrict heat along terminal leads preventing overheating on components?

Answer 4

Thermal shunt

Question 5

You are replacing a defective part on a circuit board, at what point do you spray a newly soldered area with insulting varnish?

Answer 5

After repairs are completed and the circuit tested

Question 6

How are bends on a transistor on a circuit board supped to be?

Answer 6

Gradual curves only

Question 7

Where are the holes drilled when installing staples on a printed circuit card ?

Answer 7

1/4 inch from each side

Question 8

What kind of joint is used when you are using splints or doublets to repair a broken circuit card?

Answer 8

Lap joint

Question 9

Which type of soldering equipment is the only type recommended for use when soldering electric and electronic components?

Answer 9

Solder iron

Question 10

How do you properly clean a soldering iron?

Answer 10

Wipe it along a piece of canvas placed on a suitable surface.