Century Enka Graduate Apprenticeship Trainee Interview Questions and Answers

The type of extruder oil pump depends on the specific requirements of the extruder machine.

• The pump should be able to handle the viscosity and temperature of the oil being used.

• The pump should be able to provide a consistent flow rate.

• Common types of pumps used in extruder machines include gear pumps, screw pumps, and piston pumps.

• The choice of pump also depends on the size and capacity of the extruder machine.

The zones in an extruder are feed zone, compression zone, melting zone, metering zone, and die zone.

• Feed zone: where the raw material is fed into the extruder

• Compression zone: where the material is compressed and heated

• Melting zone: where the material melts and becomes homogenous

• Metering zone: where the melted material is metered and pushed towards the die

• Die zone: where the material is shaped and exits the extruder as

There are 5 types of zones in various fields including manufacturing, environmental, and safety.

• Manufacturing zones: raw material, production, finished goods, maintenance, and shipping

• Environmental zones: polar, temperate, tropical, arid, and mountainous

• Safety zones: red, orange, yellow, blue, and green

• Geographic zones: time, climate, vegetation, soil, and landforms

• Healthcare zones: critical, intensive, intermediate, s

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