Technical_English_3_-_WB (Technical_English_3 WB тетрадь), страница 3

Replace the active verbs in italics with thepassive form of technical verbs fro m the Word lisLExample: 1 The polymer pellets are transferred from the hopper to the cylinder..Extrusion moulding1 We move the polymer pellets from the hopper to the qiinder.2 An electric motor turns the screw in the extrusion moulder.3 The cold polymer pellets move along the cylinder.4 Heaters warm the polymer pellets and tum them into a liquid5 The warm, soft molten polymer moves along the cylinder.6 The machine pushes the molten polymer out into a mould.•"Blow moulding7 We shut the two halves of the mould with the molten polymer inside.8 Compressed air blows up the molten polymer in the mould and makes it bigger.9 The plastic bottle shape gets colder.10 The machine pushes out the plastic bottle from the open mould.2& ·9Listen to and repeat the verbs and nouns in columns 1 and 2 of the ~ord lisLUnderline the main stress on the words of more than one syllab le .Examples: closure, compress.3 Label the pictures with nouns from 1.2356hopper411Section 11 Complete this report of a plane crash.

Put the verbs in brackets into the past simple, andfill in each of the other gaps with one word .00 JuJy L.5th 2000. a Concorde airc raft (I)crashed(crash) near Paris. (2) _ _. . It:."----__ was travelling on a flight to. "ew York. Emergency crew (3) _ _ _ _ _ (race) to the area (4)the crash happened to deal with the fireand search for suni\·OfS.TIle Coocorde ( -)down in flames just before 16.45 local time. Four hours after the accident, two FlightDara Recorders were found at the ite of the crash.

(6)were taken to a laboratory for examination. The official·dent repon. C )was published in 2004, blamed the accident on a piece of metal, (8) _ _ _ ___ _ _ _ _ (fall ) from another plane just before the Concorde (10)(take) off.TIle supersoni airliner (1 1)(hit) this piece of metal and one of (12)tyres (13) _ _ _ __. As a resuJt.

piece of rubber (14)(fly) up and damaged a fuel tank. The fuel from the tank then1 - _ _ _ _ _ (ignite . causing the fue and consequent crash.23Read some facts and figures about the Hubble Space Telescope. Match the information1-12 with a-I.a) near-circular low Earth orbitI ~ Launch dateb) May 20092 _ Launch vehiclec) 8 km per second3 _ Massd) Greenbelt, Maryland, USA4 _ Type of orbite) Space Shuttle Discovery5 _ Orbit heightf) 11,110 kg6 _ Orbit timeg) 6 x 57 kg nickel-hydrogen7 _ Orbit speedh) 48 _ Telescope diameteri) 97 minutes9 _ Servicing Mission 4 datej) 2.4 metres10 _ Batteriesk) 24th April 199011 umber of radio antennasI) 569km12 _ Goddard Space Flight Center(location)Complete this description of how the Hubble Space Telescope works, using the presentsimple active or passive of the verbs in the box.avoidcapturecompleteconvertdiscoverreceivestudytransmitE ,e 97 minutes, the Hubble Space Telescope (1) completes an orbit of the Earth.

As it travels, its mirrorlight and directs it into its scientific instruments. Because the Earth's atmosphere partly blocks and2-:o--;s ligh , scientists (3)these problems by placing their most advanced telescope 569 km above the:=a 's s rface, in a satellit e.~E ~ ,'est irument on the satellit e, W ide Field Camera 3, (4)the formation of individual stars and_ _ __ _ new, extremely distant stars.~-=,...., .~..,."...~ ~Of the telescope (6)from the ground station in the USA via a data relay satellite. These signals_ _ _ _ _ by an ennas on the Hubble and (8)into signals that point the telescope in the requiredaaiva-e e instruments.

Data goes from Hubble via the data relay satellite to the ground station.AI ~~. "....~.1Section 21Which of these processes do the sentences below describe? Write the process lettersA-O next to the sentences.ABInjection mouldingPressure-die castingMetal-rollingBlow moulding123456789_ The metal plate is first heated._ The object, e.g. plastic bottle, cools and is then ejected from the mould.~ The warm softened polymer is moved along the cylinder b a rotating sere\'\"._ The molten metal is forced into the cavity between the 1\<\10 hal es of the mould._ Compressed air is blown into the molten polymer and inflates it._ The mould opens and the hard solid plastic object is ejected._ After the metal cools, the mould is opened and the metal component i ejected._ The metal sheet comes out from the rollers and is then cooled._ The molten polymer expands to fit the mould which ma be in the shape ofa bottle.10 - The molten metal is pushed along the chamber under pressure by the injectionpiston.11 _ The metal plate is then pushed between the rollers.

which compress il12 _ The molten polymer is pushed by the ram through the nozzle into the mould,and becomes hard.."•2 Write the three steps for each process in 1 in the correct order.Injection moulding: _Pressure-die casting: _3____Metal-rolling:__ _Blow moulding: _ _ _Find the words in the puzzle and write them next to the definitions bela \'.IIIp0LYMERACYFGX WJZFYR0LLERUZ0CHAMBERLGCI I0cX0J0IXLGCUC0MPRESSJpZIFEXPANSI0NIYWGXFTE IEWAJCARB0NFIBRECAZU0CLIQ0FTEJDFKUYJC0MP0NEto make something soft _ _ _s-,-o_ft_e_n_ __2 an increase in size _ _ _ _ _ _ __3 a plastic compositeI P_lTIIJ8 one of several parts that make up a machine4 a cylinder used to flatten a material9 to move something in one direction, e.g. along acylinder _ _ _ _ _ _ __10 to press something so that it takes up less space5 a disc that is pushed along a cylinder11 to push something inside through a small hole6 an enclosed space inside a machine12 a chemical compound used for making plastics7 to throw something out of a mould or machine131 Conditions1 Complete these dialogues using the present perfect or past simple of the verbs in brackets.I23A: You can't fly into the military airport.

They (1)have closed(close) it.B: Really? (2)(there / be) an accident?A: Yes. Two fighters (3)(collide) on the runway in thefog last night.C: Have you heard? One of our cargo ships (4)(catch)fire in the Indian Ocean.0 : When (5)(this / happen)?C: Yesterday. The office (6)(receive) a message earlythis morning.E: How's the exploration going? (7)(you / discover) anyoil yet?F:0 , we (8)(not / have) any luck yet.E: How many wells (9)(you / drill)?F: (1 0)(we / drill) three so far and now we're drillingthe fourth.2 Complete this article about space exploration. Use the second conditional of the verbsin brackets.Are manned space mi ion to Mars a real possibility?At the moment , the don 't eem likely and naturallywe( I )would only u n d ertake ( only I undertake)mi ions if we (2)(can / be) sure ofgeuing the astronauts to Mar and back safely. ButC)(the go emment / want) to providemone for the research if it (4)(not /knm ) what the chance of success might be? AndC)(it / choo e) to spend millionsion to Mars even if thereon manned_ _ _ _ _ _ _ (be) plenty of money available?On a manned mission, it (7)(take) a longtime for radio signals to reach the spacecraft from Earth,and so the crew (8)(be) responsible fortouchdown on the planet and for lift-off at the end of theirresearch programme.

There (9)(be)no chance of a rescue mi ssion if a disaster(10)(strike) the crew while they were onMars. And we (11 )(only / plan) furthermanned missions if our fust mission (12) _ _ _ _ _ __(be) successful.3 Write questions and answers to explain the procedure for take-off from an aircraftcarrier.

Use the first conditional.I Bad weather - what happens? Pilot cancels take-offWhat will happen if the weather is bad? The pilot will cancel the take-off.l-l2Launching device fails to function - what happens? Jet fighter remains on flight deck3Jet engine fails after take-off - pilot does what? Pilot activates ejection system4Pilot ejects after take-off - what happens? Parachute opens automatically5Pilot lands in sea after ejection - what happens? Helicopter winches pilot to safety.,2 Sequence (1)1Read the text about the launch abort system in 6 Section 2 of the Course Book,page 23, and answer these questions.1 Up to what altitude does the LAS operate?2In what situation is the LAS activated?3How is the LAS separated from the rocket?4How is the LAS controlled after it separa tes fro m the rocket?5With what kind of fIXings is the crew ca psule attached to the LAS?6What must happen in order to thrust the crew capsule away from the LAS?7What is the purpose of the parachutes of the crew capsule?8At what stage are the parachutes deployed?2 Underline the correct linkers for describing the launch of the space shuttle.(1) Now / Once the astronauts are inthe space capsule, the access gantry isdisengaged and swings away from the topof the rocket .

(2) Then / When the fuel tankis filled with a mixture of liquid hydrogenand liquid oxygen. (3) Afterwards / When thecountdown approaches zero, the ignitionsequence is started. (4) Then / As soon asthe rocket burners are ignited, the explosivebolts that hold the rocket in place on thelaunch pad are detonated and the rocketbegins to lift off. (5) After / While ascendingvery slowly for the first ten seconds, therocket accelerates.