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