Try SteamTicket free: 20 practice questions, no signup. Finish a sample and unlock a welcome discount. Pick your class →

4A practice exam › Unit A-5

4A A-5: Introduction to Plant Operations and the Environment

25 practice questions in this unit. Each practice set pulls 20 at a time, so you keep seeing new questions as you go.

What this unit covers: Gas, noise, liquid and solid emissions and how they tie back to plant operation.

Exam theme: Safety, codes and environment. Commonly reported share of the 100-question 4A exam: about 6 questions (unofficial; SOPEEC and ABSA do not publish per-unit counts). See the 4A exam breakdown.

1 free 4A A-5 question, explained

Original exam-style questions written to the public syllabus, from our free public sample. They are not questions from a real exam.

1. Chapter 1 of Unit A-5 examines four specific Biogeochemical Cycles in detail. Which option correctly lists all four?

  • A. Carbon, Nitrogen, Phosphorus, and Soil cycles
  • B. Oxygen, Water, Carbon, and Soil cycles
  • C. Oxygen, Carbon, Nitrogen, and Water cycles
  • D. Water, Carbon, Sulfur, and Oxygen cycles
Show the answer and explanation

Answer: B. The four biogeochemical cycles covered in detail here are oxygen, water, carbon, and soil. Nitrogen and phosphorus are important recycled elements, but they are not part of that set of four. Sulfur is not one of the four either.

Question ID KE-A05-C01-Q001 · Unit A-5: Introduction to Plant Operations and the Environment · Report an error

Try 20 free 4A questions 4A practice exam overview

← A-4: Introduction to Plant and Fire Safety · A-6: Elements of Material Science and Welding Technology →

All 4A units