10.2

Which of the following is a key factor in evaluating the effectiveness of a structural unit in the chemical industry?

• Cost minimization and productivity improvement

• The number of employees in the unit

• The total energy consumption

• The complexity of the technological process

• The volume of waste generated

Which of the following is a fundamental principle of resource conservation in chemical production?

• Reduction of raw material and energy losses

• Increasing the number of processing steps

• Using more complex chemical reactions

• Disposing of all by-products as waste

• Avoiding automation in production

Which of the following is a primary goal of an energy audit in a chemical plant?

• Identifying energy losses and proposing efficiency improvements

• Increasing raw material consumption

• Reducing production output

• Increasing waste heat emissions

• Avoiding investments in new technologies

Which of the following is a common method used to assess material and energy resource consumption in production?

• Conducting material balance calculations

• Increasing production speed without analysis

• Avoiding process monitoring

• Ignoring energy efficiency measures

• Increasing equipment downtime

Which of the following is an effective approach for reducing industrial waste in chemical production?

• Implementing closed-loop recycling systems

• Increasing the volume of waste disposal

• Ignoring by-product utilization

• Using more toxic chemicals

• Reducing process monitoring

Which of the following best describes the purpose of a material balance calculation?

• Determining the relationship between input materials and product output

• Increasing energy consumption

• Eliminating process control measures

• Reducing the number of reaction steps

• Avoiding environmental impact assessments

Which of the following is considered an output stream in a material balance calculation?

• Any material leaving the system, including waste and main products

• Only the final product

• Raw materials before processing

• Only energy inputs

• Equipment maintenance data

Which of the following is the primary goal of energy efficiency in chemical production?

• Lowering production costs

• Increasing reaction complexity

• Ignoring heat recovery measures

• Avoiding automation in production

• Increasing the use of non-renewable resources

Which of the following is an effective heat recovery method?

• Using heat exchangers to transfer waste heat to other processes

• Releasing excess heat into the environment

• Ignoring energy loss reduction

• Avoiding process optimization

• Increasing the use of inefficient insulation

Which of the following is a commonly used method for treating wastewater in chemical plants?

• Chemical precipitation and filtration

• Direct discharge into rivers

• Ignoring wastewater treatment

• Allowing wastewater to accumulate indefinitely

• Mixing untreated wastewater with fresh water