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Questions and Answers
Which property of product granules can be characterized by unconfined yield stress and angle of friction by shear cell tests?
Which property of product granules can be characterized by unconfined yield stress and angle of friction by shear cell tests?
- True density
- Agglomerate porosity
- Bulk density (correct)
- Apparent density
What method is commonly used to assess the tensile strength of agglomerates based on the text?
What method is commonly used to assess the tensile strength of agglomerates based on the text?
- Compression strength assessment
- Redispersion tests
- Interparticle contact test
- Crushing strength measurement (correct)
What does the Griffith crack theory state regarding brittle failure of a granule?
What does the Griffith crack theory state regarding brittle failure of a granule?
- Only elastic materials are affected by crack growth
- Cracks propagate when potential energy reduction equals surface energy increase (correct)
- Failure depends solely on tensile strength of bonds
- Crack propagation is independent of flaw distribution
In the context of agglomerates, what effect do high compaction pressures have according to the text?
In the context of agglomerates, what effect do high compaction pressures have according to the text?
What factor is largely associated with the health hazard imposed by asbestos?
What factor is largely associated with the health hazard imposed by asbestos?
Which type of process can cause agglomeration of particles even in a static fluid due to Brownian movement?
Which type of process can cause agglomeration of particles even in a static fluid due to Brownian movement?
What gives medicated pellets or pills the required strength during their formation?
What gives medicated pellets or pills the required strength during their formation?
In disperse systems, what type of forces operate independently and decrease exponentially with distance across the ionic double-layer?
In disperse systems, what type of forces operate independently and decrease exponentially with distance across the ionic double-layer?
What is the main purpose of spraying liquid on the surface of a bed in order to aid agglomeration?
What is the main purpose of spraying liquid on the surface of a bed in order to aid agglomeration?
How are larger, denser, and stronger agglomerates typically produced in a pan agglomerator compared to a drum agglomerator?
How are larger, denser, and stronger agglomerates typically produced in a pan agglomerator compared to a drum agglomerator?
What is the effect of high compaction forces on materials in terms of producing sheets, briquettes, or tablets?
What is the effect of high compaction forces on materials in terms of producing sheets, briquettes, or tablets?
How does heating materials aid in agglomeration processes?
How does heating materials aid in agglomeration processes?