I complete the conditional sentences

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I Complete the conditional sentences.
1 If rubber is cooled to -200˚ C, it _________________(break).

2 If safety measures __________________________(follow), the accident wouldn't have


3 If you want to study te files from the Internet, ___________________(download) them onto

your computer.

4 If the goods had been sent by sea, they ______________________________(take) nearly

two months.

5 If we __________________(buy) a new software package, we would be able to do all the

technical specifications in half the time.

6 If we ____________________(run) an additional test, we would estimate the experimental


7 In the event of collision, the airbag _____________________(inflate).

8 If all vehicles ___________________(fit) with a catalytic converter, there would be less


9 If heat _______________________ (apply), the substance will decompose.

10 The reaction would be speeded up if we _____________________(introduce) a catalyst.

11 He ___________________________(be) injured if he had followed the correct procedures.

12 If iron _____________________(leave) in contact with air and water, it ______________

II Translate the following conditional sentences.
1 Kad bi roboti mogli samostalno djelovati, poptuno bi zamijenili ljude.


2 Ako se materijali za ležajeve ne odaberu pažljivo, to će rezultirati prekomjernim trenjem i



3 Da smo bili smanjili troškove prijevoza, bili bismo uštedjeli preko $ 1 m godišnje.



III A Write the definitions of the following noun compounds.
1 engine exhaust gases _______________________________________________________

2 dry air supply fan __________________________________________________________

3 fuel injection nozzle ________________________________________________________

4 gear lubricants _____________________________________________________________

5 liquefied hydrogen storage systems ____________________________________________
B Form noun compounds.
1 losses of heat due to transmission ______________________________________________

2 suction of fuel oil ___________________________________________________________

3 material for seals ___________________________________________________________

4 a pump with gears __________________________________________________________

5 a valve for supplying air ______________________________________________________

IV Put the words in brackets in the required form.
1 We cannot eliminate internal friction, but we can ___________________(reduction) it to a

controllable degree by the use of friction reducing __________________ (lubrication).

2 Internal ________________(combustible) engines can be made to

___________________(operation) on almost anything that can be ___________________(conversion) into a gas that will burn.

3 Each piston is connected to the crankshaft by means of a link known as a

___________________ (connection) rod.

4 Fill cylinder or chamber with an air/fuel _________________(mix). Then ______________

(compression) it into a smaller space. Next _________________(ignition) it. After that

utilize _________________(expansion) force for power _________________ (produce).

Finally, remove it from cylinder or chamber.

5 We should increase our gross national ______________________(produce).

V Fill in the missing word or missing letters to finish the words at the end of

each line. The numbers in brackets relate to the number of missing


/ (=slash) denotes the end of the word.

The IMechE says three quarters of British indu__________ (4)

is throwing money down the drain through insuffici ________ (3)

attention to friction and wear, and that any moment ha______ ______ (2/2)

industry's machines need attention. Yet reduced friction and w_______ (3)

mean reduced pollution and improved saf_______.(3)

Tribological improvements should lead to mo______ (2)

competitive companies, it says. All in all, it estim__________,(4)

the savings would be worth ₤1.5 billion a y________.(3)
Most firms do not bother to call in the tribological experts un_______(3)

something goes seriously wrong and production is halted, sa_______(2)

Hampson.'They do not realise the importance of undertaking ______ ( / 3)

review at the design st _______(3).


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