Technical English Test Masters Level 2 (Pre-Intermediate)
Unit Test 8 Answer Key
1 1 d / 2 a / 3 c / 4 b / 5 a / 6 d
2 7 operator / 8 compressor / 9 refrigerant / 10 evaporates
3 11 clockwise / 12 oscillating / 13 linear / 14 reciprocating
4 15 C / 16 E / 17 F / 18 B / 19 A / 20 D
5 21 buoy / 22 hydraulic / 23 chamber / 24 absorb / 25 turbine / 26 shaft
6 27 As the refrigerant flows through the evaporator, it takes in heat from the air. / 28 The exhaust valve opens, which allows the burnt gases to escape from the engine. / 29 When the fire alarm sounds, everyone should leave the building. / 30 An expansion valve is a device that (or which) decompresses the refrigerant.
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