Certification Exam Practice Questions

Brewery Maintenance Technician Certification Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary purpose of a mash tun in the brewing process?
• Fermenting the beer
• Filtering hops
• Extracting sugars from malt
• Carbonating the beer

Rationale: The mash tun mixes milled malt with water to extract

fermentable sugars, which are essential for fermentation.

• Which type of pump is most commonly used to transfer wort in a

brewery?

• Centrifugal pump 1 / 4

• Diaphragm pump
• Progressive cavity pump
• Gear pump

Rationale: Progressive cavity pumps handle viscous fluids and solids

without damaging the wort, making them ideal for breweries.

• What is the main function of a heat exchanger in brewing?
• Fermentation control
• Cooling wort rapidly
• Carbonation
• Milling grains

Rationale: Heat exchangers are used to cool hot wort quickly to

yeast-pitching temperatures to prevent contamination.

• Which gas is primarily used for purging tanks in breweries?
• Oxygen
• Nitrogen
• Carbon dioxide
• Carbon dioxide

Rationale: CO₂ is used to purge oxygen from tanks to prevent

oxidation and maintain beer quality.

• What is the primary cause of pump cavitation in breweries?
• High viscosity
• Improper motor sizing
• Low inlet pressure 2 / 4

• Excessive flow rate

Rationale: Cavitation occurs when pressure at the pump inlet drops

below the liquid’s vapor pressure, forming vapor bubbles.

• What is the typical pH range for wort during mashing?

A. 3.0–3.5

B. 4.0–4.5

C. 5.2–5.6

D. 6.5–7.0

Rationale: Maintaining pH between 5.2–5.6 optimizes enzymatic

activity for sugar extraction.

• Which type of valve is commonly used for precise flow control in

brewery piping?

• Ball valve
• Gate valve
• Control valve
• Check valve

Rationale: Control valves adjust flow rates accurately, essential for

consistent brewing processes.

• What is the primary purpose of CIP (Clean-in-Place) systems?
• Fermentation
• Carbonation
• Sanitizing equipment without disassembly
• Wort filtration 3 / 4

Rationale: CIP systems circulate cleaning and sanitizing solutions

through tanks and piping to maintain hygiene efficiently.

• Which type of sensor is used to monitor liquid levels in fermenters?
• Pressure sensor
• Flow sensor
• Ultrasonic sensor
• Temperature sensor

Rationale: Ultrasonic sensors provide non-contact measurement of

liquid levels, reducing contamination risk.

• What is the main hazard when working with pressurized CO₂

systems in breweries?

• Electrical shock
• Fire
• Asphyxiation
• Burns

Rationale: CO₂ is colorless and odorless; leaks can displace oxygen,

creating an asphyxiation hazard.

• What is the primary reason to insulate brewery piping?
• Reduce noise
• Improve flow
• Maintain temperature consistency
• Prevent corrosion
• / 4