QUIZIZZ SCORE A

Recognize which of the following IS NOT affects Cement Bonded Particleboard (CBPB) properties.

• Wood species

• Types of resin

• Bonding mechanism

• Accelerators

Bio-Compost Energy produced CBPB product by using volume of panel

    is 930.85 cm³ and estimated target density is 1300 kg/m³ Calculate the

    cement weight consume in vital CBPB product if ratio is 58:22:20.

• 204.79g

• 266.22 g

• 539.9g

• 701.86 g

Identify which of the following IS NOT true about Cement Bonded Particleboard

(CBPB).

• CBPB able to overcome asbestos problem.

• CBPB is a hybrid material combination of cement solution and wood component

• Minimum density for CBPB is 350 kg/m³

• Presence of sugar acid affects CBPB properties.

Recognize which of the following using the plain slicing method in veneer jointing fabrication?

• Slip matching

• Random matching

• Book matching

• All of above

Excellent Sdn. Bhd produce the particleboard with oven dried weight of particles is 680.5 g at 9%. Calculate total resin needed in this production while the percentage of resin usage is 10% with solid content is 64%.

• 256.33g

• 206.33g

• 106.33g

• 103.33g

Predict which of the following IS NOT the factor that affecting properties of

particleboard?

• Types of resin

• Colour of wood element

• Particle size

• Temperature time

Indicate types of additive function to improve interfacial bonding of the two

different phases in wood plastic manufacturing.

• Coupling agents

• Lubricants

• Compatibilizers

• Pigments

Calculate the value of loaded applied to wood specimen size 35 mm X 75 mm X 1250 mm

if value of Modulus of Rupture is 15 Mpa.

• 2953.13

• 5906.25

• 2500.38

• 1161.29

Identify a force that able to collapse and flattening of the wood cells.

• Shear parallel to the grain

• Compression parallel to the grain

• Compression perpendicular to the grain

• Static bending perpendicular to the grain

Determine which of the following properties IS NOT TRUE about absorption.

• Accumulation of the molecular species at the surface rather than in the bulk of the solid or liquid.

• Reaction rate steadily increases and reach to equilibrium.

• It is not affected by temperature.

• Concentration on the surface is different from that in the bulk.