DQL20033 - Quiz Chapter 1

Why plastic material testing are necessary?

• To produce a cheaper product

• To ensure the product quality

• To get more profit and business investment

• To produce more products from batch by batch

Which items are NOT included as Plastic Mechanical Properties Testing? 

• Tensile testing

• Abrasion testing

• Impact testing

• Weathering testing

Define standard

• A detailed description of requirements, dimension and materials.

• Process of subjecting a material to a stipulated influence or combination of influence for a stipulated period time.

• Something established for use as a rule or a basis of comparison in measuring or judging capacity, quantity, content, extent, value and quality

• A true material comparison is possible only when property values are   determined by identical test methods under identical conditions

Examples of standards are Machine specification, Product Specification and Material specification. True or false?

• True

• False

ASTM stands for _____________.

• Malaysia the Department of Standard Malaysia

• African Society for Testing and Materials

• American Society for Testing and Machinery

• American Society for Testing and Materials

Conditioning of test specimen is designated as A / B / C

Alphabet 'A' refers to the ______.

• Relative humidity (%RH)

• Duration of conditioning (hour)

• Conditioning temperature (°C)

• Strain rate

The gradient of the stress-strain curve represents of __________ .

• Yield point

• Young Modulus

• Elongation at break

• Ultimate strength

The sample can be cut from the product sample to test the product quality. True or false?

• True

• False

Which are NOT the Personel Protective Equipment (PPE) types?

• Eye and face protection

• Hand Protection

• Machine Protection

• Hearing Protection

Name the PPE based on the figure given

• Laser google

• Splash google

• Safety glass

• Face shield