Vocational Apt. First Term 2022/2023 Half Term Test

The process f developing new things or articles from study and experiment is known as

• production

• preservation

• mechanization

• invention

A person who creates or devices some new machine, process or article is called

• a maker

• manufacturer

• an inventor

• a producer

Solving problems, growing potentials for innovation and profering solution are all --------of invention

• benefits

• problems

• examples

• disadvantages

------- invented mobile phone

• Robert Elliot

• Vinton Grey

• Martin Cooper

• Galileo

The inventor of Telephone is

• Hans

• Alexander Graham Bell

• Denzel washington

• Martin Cooper

Welding tools include all except

• hack saw

• chipping hammer

• cutlass

• steel rule

------ is used for storing oxygen in welding

• wire brush

• welding torch

• gas cylinder

• hack saw

The are ------ main types of waste collectors .

• five

• two

• ten

• three

Unwanted materials or by-products that are discarded and are no longer useful are

• metals

• items

• wastes

• articles

The fabrication process that lets one join materials such as metals by using heat at a high temperature is called

• brick layin

• welding

• production

• invention