Material Processes And Workshop Technology Questions

describe the characteristics of the following engineering materials and state their applications. i. tin ii. aluminium iii. rubber iv. mild steel

state three; i. categories of fits; ii. functions of a steel rule.

describe the following metal finishes and decorative processes. i. pickling, ii. annealing.

state two properties of alluminium

describe the two techniques of filling  

state three classifications of electrical materials

list three contents of a first aid kit.

outline three factors to be considered when selecting a type of polish for a particular finish.

distinguish between soft soldering and brazing

explain the following types of fire extinguishers are used and state their colours. i. foam, ii. vaporizing liquid