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WorksheetsPlastic Injection Moulding Quiz
Total questions: 20
Worksheet time: 10mins
Blow moulding …………………… to make bottles.
using
to use
used
is used
An injection molding machine has three basic ……………………..: the injection unit, the mold, and the clamping system.
compose
composed
component
components
Toys and bowls ……………… by injection moulding.
are made
made
to make
making
The clamping system closes and ……………. the mold.
opens
opening
opened
to open
Thermoplastics ………………..by extrusion.
shaped
can be shaped
can shaped
to shape
Molten plastic ……………….. through a shaped hole or die.
forcing
forced
to force
is forced
The process includes the ………………. or forcing heated molten plastic into a mold which is in the form of the part to be made.
inject
injecting
injected
to inject
The mold is mounted on …………………………… plate and usually guided by four tie-bars.
support
to support
supporting
supported
When materials are heated and then ………………… in a mold, they can be formed into different shapes.
pressure
pressured
pressures
to pressure
Plastic injection moulding is the most common method of ………………… parts made of plastic.
producing
to produce
produced
produce
The mold is the space where the plastics are filled, …………. And cooled down to make the product.
formed
form
to form
forming
Fibres for textile or sheet plastic …………………… by extrustion.
may be made
may made
to make
making
Injection unit ………………………. a screw or a plunger.
contained
containing
contain
contains
An injection molding machine has some basic components : …………………
the injection unit
the mold
the clamping system
All are correct
The injection unit, also called……………….., prepares the proper plastic melt and, via the injection unit, transfers the melt into the next component that is the mold.
the insulator
the conductor
the plasticator
the computer
The mold ……………………… on supporting plate and usually guided by four tie-bars.
mount
is mounted
to mount
mounting
The clamps provide ………………. controlled motion and force to close and open the mold.
accurate
accurately
provide
control
Thermoplastic chips ………… first ………………. unit they melt and then forced into a water-cooled mould under pressure.
to/heat
is/heated
are/heated
are/heating
In this process air………………… into a blob of molten plastic inside a hollow mould.
to blow
is blown
blow
blowing
The injection molding ……………… is capable of producing an infinite variety of part designs containing and equally infinite variety of details such as threads.
to process
processes
process
processed
