FITTING AND SHEET METAL - Practice Mode

1) Which extinguishes the fire of flammable liquids?
Correct Answer: CO<sub>2</sub>
2) What is the material composition of a Tin man s solder?
Correct Answer: 50% Tin 50% lead
3) Which metal is alloyed with zinc to make brass?
Correct Answer: Copper
4) Which materials are used to make mallets?
Correct Answer: Wood, rubber
5) Which is the point angle of a twist drill used for zinc alloy?
Correct Answer: 118 Degree