FDNY Z51 Study Guide 2024 Exam Questions All Correctly Solved Engineer's Minimum Reading Log Requirement - Answer -An engineer needs to log readings once per shift. Engineer's Minimum Reading Log Requirement - Answer -An engineer needs to log readings once per shift. Phase 2 Firemen S ervice - Answer -The elevator operator is the only person that can control the elevator. Phase 2 Firemen Service - Answer -The elevator operator is the only person that can control the elevator. Engineer's Responsibility with Running Machine - Answer -If the machine is running, the engineer should not leave the building. Engineer's Responsibility with Running Machine - Answer -If the machine is running, the engineer should not leave the building. Emergency Power Testing Frequency - Answer -Emergency power testing must be done monthly. Emergency Power Testing Frequency - Answer -Emergency power testing must be done monthly. AB29 Certificate of Fitness Holder's Responsibility - Answer -The holder s hould inspect the battery system. AB29 Certificate of Fitness Holder's Responsibility - Answer -The holder should inspect the battery system. Gauge Reading for Chilled Water System - Answer -A gauge reading of saturation pressure of refrigerant with chil led water as the cooling medium estimates the temperature of the chilled water being pumped to the spaces being cooled. Gauge Reading for Chilled Water System - Answer -A gauge reading of saturation pressure of refrigerant with chilled water as the coolin g medium estimates the temperature of the chilled water being pumped to the spaces being cooled. Refrigerant Escape Awareness - Answer -In the event of a refrigerant escape, the engineer should be aware of asphyxiation. Refrigerant Escape Awareness - Answer -In the event of a refrigerant escape, the engineer should be aware of asphyxiation. Chemical Fire Extinguisher and System Requirement - Answer -A chemical fire extinguisher and system are needed where water is not sufficient. Chemical Fire Extinguis her and System Requirement - Answer -A chemical fire extinguisher and system are needed where water is not sufficient. Refrigerants Inside Machine Gauges - Answer -The refrigerants found inside the machine gauges are the same type as the refrigerant insid e the machine. Refrigerants Inside Machine Gauges - Answer -The refrigerants found inside the machine gauges are the same type as the refrigerant inside the machine. Fireproof Decorations Purpose - Answer -Fireproof decorations in buildings are used so they don't catch fire in an emergency. Fireproof Decorations Purpose - Answer -Fireproof decorations in buildings are used so they don't catch fire in an emergency. Water Regulating Valves Usage - Answer -Water regulating valves are used to maintain condenser pressure to a predetermined level. Water Regulating Valves Usage - Answer -Water regulating valves are used to maintain condenser pressure to a predetermined le vel. Steam Turbine Warm -up Time - Answer -It takes 10 to 15 minutes to warm up a steam turbine. Steam Turbine Warm -up Time - Answer -It takes 10 to 15 minutes to warm up a steam turbine. Pressure Relief Out vs. Fusible Plugs - Answer -A pressure relief out is better than fusible plugs to minimize refrigerant loss. Pressure Relief Out vs. Fusible Plugs - Answer -A pressure relief out is better than fusible plugs to minimize refrigerant loss. Hot Work Near Sprinkler Head - Answer -To prevent the fire ala rm system from going off, put a non -combustible barrier to protect the sprinkler. Hot Work Near Sprinkler Head - Answer -To prevent the fire alarm system from going off, put a non -combustible barrier to protect the sprinkler. Inspection of Sprinkler Head s - Answer -Automatic sprinkler heads need inspecting.
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