CPWM Sustainable Materials Management 5

Question 1

Which procurement strategy directly advances SMM goals within government operations?

Accepted Answer

Environmentally preferable purchasing (EPP) policies prioritizing recycled content and durability

Answer

Environmentally preferable purchasing policies drive market demand for recycled-content products, close the recycling loop, and incentivize manufacturers to design more sustainable products.

Question 2

A facility generates 50 tons/year of used motor oil. Under SMM principles, what is the preferred management pathway?

Accepted Answer

Re-refining into base lubricating oil for reuse

Answer

Re-refining used motor oil back into base lubricating oil preserves the highest material value and requires less energy than virgin oil production, making it the preferred SMM pathway.

Question 3

What is the primary limitation of using 'recycling rate' as the sole metric for SMM program success?

Accepted Answer

It ignores material quality, market conditions, and upstream source reduction efforts

Answer

Recycling rate measures tonnage diverted but ignores whether materials are actually recycled into new products, the value of material recovered, or the greater priority of source reduction upstream.

Question 4

In SMM terminology, what does 'cascading use' of biomass refer to?

Accepted Answer

Sequential use of bio-based materials in progressively lower-value applications before final energy recovery

Answer

Cascading use maximizes the value extracted from bio-based materials by using them first in high-value material applications and progressively lower-value uses before final energy recovery, mirroring the waste hierarchy.

Question 5

Which scenario best demonstrates the 'rebound effect' as a challenge to SMM goals?

Accepted Answer

Fuel efficiency improvements in vehicles leading consumers to drive more miles, offsetting energy savings

Answer

The rebound effect occurs when efficiency gains are offset by behavioral changes that increase consumption — fuel-efficient vehicles prompting more driving is the classic example applicable to SMM resource efficiency efforts.

(CPWM) Certified Professional in Waste Management Practice Test

(CPWM) Certified Professional in Waste Management Practice Test

CPWM Sustainable Materials Management 5