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4B practice exam › Unit B-8

4B B-8: Plant Auxiliary Systems

33 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: Lighting, building water supply and sanitary drainage.

Exam theme: Building systems and plant types. Commonly reported share of the 100-question 4B exam: about 3 questions (unofficial; SOPEEC and ABSA do not publish per-unit counts). See the 4B exam breakdown.

2 free 4B B-8 questions, explained

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

1. Which description best matches what is meant by a luminaire?

  • A. The bare lamp on its own, supplied separately before any fixture or wiring is attached to it
  • B. The voltage-controlling ballast that regulates the electrical current delivered to the lamp filament
  • C. A complete lighting unit including the lamp, the ballast, and the means of light control
  • D. The reflector and refractor assembly that is used to aim and shape the beam of light produced
Show the answer and explanation

Answer: C. A luminaire is the complete lighting unit, which includes the lamp, a voltage-controlling device or ballast, and the means of light control such as a reflector and refractor.

Question ID KE-B08-C01-Q001 · Unit B-8: Plant Auxiliary Systems · Report an error

2. When a company releases water from behind a berm to the environment, which information must it record and report?

  • A. The names of the operators on shift and their certification numbers
  • B. The ambient outdoor air temperature, the prevailing wind direction, and the current barometric pressure reading
  • C. The total annual rainfall and the design capacity of the berm
  • D. The time and date of release, the quantity of water released, and the water test results
Show the answer and explanation

Answer: D. Water is released by temporarily opening sluice gates or with portable pumps, and the company must record and report the time and date of release, the released water quantities, and the water test results.

Question ID KE-B08-C03-Q030 · Unit B-8: Plant Auxiliary Systems · Report an error

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