Practice Test Geeks(CAP) Certified Carbon Auditing Professional Practice Test
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Emissions Reduction Strategies Flashcards

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  1. Under the EPA's Greenhouse Gas Reporting Program, which industrial sector is required to report emissions using the Tier 3 method for combustion sources?

    Answer: Large facilities where CO2 concentration is continuously monitored using CEMS

    Tier 3 requires continuous emissions monitoring systems (CEMS) to directly measure CO2 concentration and flow rate, applying to large combustion facilities under EPA's GHGRP.

  2. A company switches its vehicle fleet from gasoline to compressed natural gas (CNG). Which Scope of emissions is primarily affected?

    Answer: Scope 1 only

    Fleet vehicles burning CNG on-site generate direct (Scope 1) combustion emissions, replacing gasoline-based Scope 1 emissions.

  3. Which abatement measure is most effective for reducing methane emissions from coal mine ventilation air (VAM)?

    Answer: Thermal flow reversal reactors (TFRR)

    TFRRs oxidize very low-concentration methane in ventilation air by reversing flow direction to maintain combustion temperatures, making them the primary VAM mitigation technology.

  4. In life cycle assessment (LCA), which system boundary approach allocates upstream emissions from raw material extraction to the product being studied?

    Answer: Cradle-to-gate

    Cradle-to-gate includes all emissions from raw material extraction through manufacturing but excludes use-phase and end-of-life stages.

  5. A steel manufacturer installs electric arc furnaces (EAF) powered by renewable energy instead of basic oxygen furnaces (BOF). Which primary emission benefit results?

    Answer: Significant reduction of Scope 1 process CO2 from iron ore reduction

    BOF uses coke to reduce iron ore, creating large Scope 1 CO2 process emissions, while EAF melts recycled scrap steel electrically, largely eliminating those direct process emissions.

  6. Which financial instrument specifically funds projects that generate verified carbon emission reductions and allows buyers to claim those reductions against their own targets?

    Answer: Carbon offsets / carbon credits

    Carbon offsets represent verified, quantified emission reductions from specific projects that purchasers can use to compensate for their own GHG emissions.

  7. A facility reduces its refrigerant HFC-134a leaks by implementing a leak detection and repair (LDAR) program. The GWP of HFC-134a is 1,430. If leaks are reduced by 2 metric tons of HFC-134a, what is the CO2e reduction?

    Answer: 2,860 metric tons CO2e

    CO2e = mass × GWP = 2 metric tons × 1,430 = 2,860 metric tons CO2e.