DQS 40032 Chapter 1

In powder pressing, compaction and shaping is done simultaneously

• True

• False

Powder Pressing happened in a rigid die only

• True

• False

Beloe are stages in powder pressing EXCEPT

• Die Filling

• Compaction

• Finishing

• Ejection

In powder pressing stages, EJECTION means

• Load powder into die

• Remove product from die

• Press the sample

• Install die

Cold isostatic pressing means the pressing is done under cool temperature

• True

• False

in the hot pressing, gas medium is used for pressurization system. The gas used is...(select 2 answer)

• Nitrogen

• Oxygen

• Argon

• Ammonia

Below is type of product normally fabricate by using powder pressing EXCEPT

• Tiles

• magnet

• Toilet bowl

• crucible

The comparison between uniaxial pressing and cold isostatic pressing are......(select 2 answer)

• Powder use

• Pressure

• Temperature

• Die/mould

Cold isostatic pressing is better than uniaxial pressing

• True

• False

Picture 1 shows CIP.. The medium for pressurization system is..

• gas

• liquid

• solid

• all above