FINAL TEST 2022

CONSUMER ELECTRONICS LEAD WAY

Since the first transistor radios _______ in the 1950s, the consumer electronics marker has _____ the development of faster, smaller, and more efficient microprocessors. Products such as televisions, computers, and mobile phones ______ in large cuantities, sold relatively cheaply, and thrown away or replaced within four years. Nor beacuse they don't work any longer, but because the electronics industry follows Moore's law and _______ smaller, faster, and cleverer gadgets . And people want to buy them.

• were sold - driven - are produced - produces

• were sold - drive - produce - produces

• was - drove - produced - products

• was sold - drove - are produced - produces

APPLE

Steve Jobs, Steve Wozniak, and Ronald Wayne _____ Apple computers in 1976 in California.

The first apple computer _______ as kits. Consumers had to buy the parts from Apple and assemble the computers themselves.

The following year, the company ______ the Apple 2. Between five and six million Apple 2s were sold before the end of production in 1993. The computer was one of the first succesful mass produced home computers.

• star - sold - produced

• started - were sold - launched

• start - was sold - launched

• began - is

ALUMINIUM IS EVERYWHERE

Aluminium is a lightweight, high - strength metal, resistant to corrosion and easily _______. When alloyed with other elements, it can be processed by casting, rolling, _______ , or forging.

• cut - transport

• aviation - electricla industry

• recycled - extruding

• dense - chemically

________ is one of the oldest industrial processes. Hammers or weights force malleable material into desired shape.

• extrusion

• rolling

• casting

• Forging

The physics of flight

There are four forces that act on an aeroplane in flight. The engine _____ trust. Which ______ the plane to move forward. This force must be ______ than the drag of the air on the plane. As the plane moves, the shape of the wings creates lift .When this force is stronger than the plane's weight, then the plane flies.

• can be - causes - strong

• produces - move - stronger

• creates - causes - stronger

• is - cause - the strongest

_______ Lasting a long time, not wearing out.

• Elastic

• Brittle

• Durable

• Malleable

Hooke's Law

In the 1660s, Robert Hooke _______ how springs and wires stretched when loads _______ He found that, for many materials, the extension and load were in proportion, provided the elastic limit was not exceeded.

• investigated - were applied

• propose - applied

• showed - where

• shows - applied

A ______ is a material that has a conductivity ( ability to conduct electricity) that is between insulators and ______.

• circuit - conductors

• semiconductor - conductors

• silicon - semiconductor

• conductor - semiconductor

Pete Normington

After getting my Master's Degree in Aerodynamics and propulsion, I _____ a large US aircraft manufacturer. I liaise with a European jet engine marker. We use their jet engines on our aircraft.

• start

• joins

• joined

• was

I work for a company that ______ and makes test equipment for the aircraft and car inductries. We ____ offices in Barcelona and Madrid. I _____ in the Madrid office mainly on test equipment for European aircraft company.

• designs - have - work

• work - has - worked

• take - have - play

• took - have been - am