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1. Many metals can be __________.
A) melted and reduced
B) melting and reducing
C) melt and reduce
D) melts and reduces
2. Surgical instruments _________ high-carbon steel.
A) are made of
B) are made from
C) are made
D) made
3. The main properties of glass ____ transparency, viscidity and brittleness.
A) is
B) are
C) was
D) were
4. I think, gas-metal welding is _________ than submerged Arc because submerged-arc can be used
only with steels.
A) effective
B) effectively
C) more effective
D) the most effective
5. Look at speedometer! The car _______ extremely fast!
A) moves
B) moved
C) is moving
D) move
6. Indicators are the lights that _______the direction of the car.
A) shows
B) showing
C) show
D) showed
7. You can see that they _____ piercing dies for punching holes recently.
A) uses
B) using
C) use
D) have used
8. He ______ on milling machine when the cutter suddenly broke.
A) was working
B) work
C) worked
D) works
9. Composite materials are being used for building of bridges ____ have unique mechanical and
physical properties.
A) who
B) that
C) whom
D) how
10. Ductile materials ______absorb energy.
A) may
B) ought to
C) can
D) must
11. Our factory has got ______equipment that was improved lately.
A) a
B) an
C) a piece
D) a piece of
12. The resistance material in the contact zone depends ______ the hardness of parts and the
geometric shape of the contacting surfaces of the parts.
A) on
B) of
C) for
D) from
13. I forgot _______ a fan belt in my car.
A) change
B) to change
C) changed
D) am changing
14. Polyvinyl chloride considers _______ vinyl chloride, concentrated acids and alkalis and alcohols.
A) many
B) much
C) few
D) a lot of
15. Polythene consists ____ ethane.
A) on
B) of
C) with
D) by

1. Many metals can be __________. A) melted and reduced

2. Surgical instruments _________ high-carbon steel. A) are made of

3. The main properties of glass ...transparency, viscidity and brittleness.

B) are

4. I think, gas-metal welding is _________ than submerged Arc because submerged-arc can be used only with steels. C) more effective

5. Look at speedometer! The car _______ extremely fast! C) is moving

6. Indicators are the lights that _______the direction of the car. C) show

7. You can see that they _____ piercing dies for punching holes recently.

D) have used

8. He ______ on milling machine when the cutter suddenly broke. A) was working

9. Composite materials are being used for building of bridges ____ have unique mechanical and physical properties. B) that

10. Ductile materials ______absorb energy. C) can

11. Our factory has got ______equipment that was improved lately. D) a piece of

12. The resistance material in the contact zone depends ______ the hardness of parts and the geometric shape of the contacting surfaces of the parts. A) on

13. I forgot _______ a fan belt in my car. B) to change

14. Polyvinyl chloride contains _______ vinyl chloride, concentrated acids and alkalis and alcohols. D) a lot of

15. Polythene consists ____ ethane. B) of