FDNY Z51 STUDY GUIDE 2024 EXAM
QUESTIONS ALL CORRECTLY
SOLVED/GRADED A+/GUARANTEED
PASS!!
AB29 Certificate of Fitness Holder's Responsibility
- answers-The holder should inspect the battery system.
AB29 Certificate of Fitness Holder's Responsibility
- answers-The holder should inspect the battery system.
Acceptable Circumstances for Chaining and Exiting
- answers-It is never okay to chain and exit.
Acceptable Circumstances for Chaining and Exiting
- answers-It is never okay to chain and exit.
Action for Unsatisfied Building in Chilled Water System
- answers-If one building is not satisfied, put in an additional chilled water pump online.
Action for Unsatisfied Building in Chilled Water System
- answers-If one building is not satisfied, put in an additional chilled water pump online.
Advantage of Shell and Tube Condenser
- answers-The major advantage of a shell and tube condenser is that there is less
danger of developing leaks.
Advantage of Shell and Tube Condenser
- answers-The major advantage of a shell and tube condenser is that there is less
danger of developing leaks.
ASHRAE Refrigerant Safety Classification
- answers-The most toxic ASHRAE refrigerant safety classification is b3, and the most
flammable is a3.
,ASHRAE Refrigerant Safety Classification
- answers-The most toxic ASHRAE refrigerant safety classification is b3, and the most
flammable is a3.
Atmospheric Pressure Ratio Calculation
- answers-If the suction pressure is 3 psig and the discharge is 10 psi, with the
atmospheric pressure at 14.7, the ratio closest to 1.39.
Atmospheric Pressure Ratio Calculation
- answers-If the suction pressure is 3 psig and the discharge is 10 psi, with the
atmospheric pressure at 14.7, the ratio closest to 1.39.
Automatic Expansion Valve Function
- answers-An automatic expansion valve maintains a constant evaporator pressure.
Automatic Expansion Valve Function
- answers-An automatic expansion valve maintains a constant evaporator pressure.
BTU Removal in 30 Ton System
- answers-360,000 BTUs are removed in a 30 ton system per hour.
BTU Removal in 30 Ton System
- answers-360,000 BTUs are removed in a 30 ton system per hour.
Cause of Condenser Pump Cavitation
- answers-If a refrigerant engineer verifies that a condenser pump is cavitated, the most
likely cause for this condition is a faulty cooling tower water level controller.
Cause of Condenser Pump Cavitation
- answers-If a refrigerant engineer verifies that a condenser pump is cavitated, the most
likely cause for this condition is a faulty cooling tower water level controller.
Centrifugal Chiller Start-up Procedure
- answers-Start the chilled water pump, then start the condenser water pump, check oil,
start cooling tower, and start compressor.
Centrifugal Chiller Start-up Procedure
- answers-Start the chilled water pump, then start the condenser water pump, check oil,
start cooling tower, and start compressor.
Centrifugal Compressor Capacity Control
- answers-The primary way of achieving capacity control of a centrifugal compressor is
by adjustment to the inlet impeller pre-rotation vanes.
, Centrifugal Compressor Capacity Control
- answers-The primary way of achieving capacity control of a centrifugal compressor is
by adjustment to the inlet impeller pre-rotation vanes.
Charge in TEV Sensing Bulb
- answers-The charge in TEV sensing bulb is similar to the refrigerant in this system.
Charge in TEV Sensing Bulb
- answers-The charge in TEV sensing bulb is similar to the refrigerant in this system.
Chemical Fire Extinguisher and System Requirement
- answers-A chemical fire extinguisher and system are needed where water is not
sufficient.
Chemical Fire Extinguisher and System Requirement
- answers-A chemical fire extinguisher and system are needed where water is not
sufficient.
Circuit Breaker Function
- answers-A circuit breaker has a similar function as a fuse.
Circuit Breaker Function
- answers-A circuit breaker has a similar function as a fuse.
Cooling Medium for Indirect Refrigeration System
- answers-In an indirect refrigeration system, glycol or any brine solution would not be
used as a cooling medium for building spaces being cooled.
Cooling Medium for Indirect Refrigeration System
- answers-In an indirect refrigeration system, glycol or any brine solution would not be
used as a cooling medium for building spaces being cooled.
Cooling Tower Cooling Medium
- answers-The cooling medium for a cooling tower is water
Cooling Tower Cooling Medium
- answers-The cooling medium for a cooling tower is water
Cost Calculation for Operating a 5 Horsepower Motor
- answers-The equivalent energy consumption of a 5 horsepower motor operating for 9
hours is 33.6 kilowatt hours.
Cost Calculation for Operating a 5 Horsepower Motor
- answers-The equivalent energy consumption of a 5 horsepower motor operating for 9
hours is 33.6 kilowatt hours.
QUESTIONS ALL CORRECTLY
SOLVED/GRADED A+/GUARANTEED
PASS!!
AB29 Certificate of Fitness Holder's Responsibility
- answers-The holder should inspect the battery system.
AB29 Certificate of Fitness Holder's Responsibility
- answers-The holder should inspect the battery system.
Acceptable Circumstances for Chaining and Exiting
- answers-It is never okay to chain and exit.
Acceptable Circumstances for Chaining and Exiting
- answers-It is never okay to chain and exit.
Action for Unsatisfied Building in Chilled Water System
- answers-If one building is not satisfied, put in an additional chilled water pump online.
Action for Unsatisfied Building in Chilled Water System
- answers-If one building is not satisfied, put in an additional chilled water pump online.
Advantage of Shell and Tube Condenser
- answers-The major advantage of a shell and tube condenser is that there is less
danger of developing leaks.
Advantage of Shell and Tube Condenser
- answers-The major advantage of a shell and tube condenser is that there is less
danger of developing leaks.
ASHRAE Refrigerant Safety Classification
- answers-The most toxic ASHRAE refrigerant safety classification is b3, and the most
flammable is a3.
,ASHRAE Refrigerant Safety Classification
- answers-The most toxic ASHRAE refrigerant safety classification is b3, and the most
flammable is a3.
Atmospheric Pressure Ratio Calculation
- answers-If the suction pressure is 3 psig and the discharge is 10 psi, with the
atmospheric pressure at 14.7, the ratio closest to 1.39.
Atmospheric Pressure Ratio Calculation
- answers-If the suction pressure is 3 psig and the discharge is 10 psi, with the
atmospheric pressure at 14.7, the ratio closest to 1.39.
Automatic Expansion Valve Function
- answers-An automatic expansion valve maintains a constant evaporator pressure.
Automatic Expansion Valve Function
- answers-An automatic expansion valve maintains a constant evaporator pressure.
BTU Removal in 30 Ton System
- answers-360,000 BTUs are removed in a 30 ton system per hour.
BTU Removal in 30 Ton System
- answers-360,000 BTUs are removed in a 30 ton system per hour.
Cause of Condenser Pump Cavitation
- answers-If a refrigerant engineer verifies that a condenser pump is cavitated, the most
likely cause for this condition is a faulty cooling tower water level controller.
Cause of Condenser Pump Cavitation
- answers-If a refrigerant engineer verifies that a condenser pump is cavitated, the most
likely cause for this condition is a faulty cooling tower water level controller.
Centrifugal Chiller Start-up Procedure
- answers-Start the chilled water pump, then start the condenser water pump, check oil,
start cooling tower, and start compressor.
Centrifugal Chiller Start-up Procedure
- answers-Start the chilled water pump, then start the condenser water pump, check oil,
start cooling tower, and start compressor.
Centrifugal Compressor Capacity Control
- answers-The primary way of achieving capacity control of a centrifugal compressor is
by adjustment to the inlet impeller pre-rotation vanes.
, Centrifugal Compressor Capacity Control
- answers-The primary way of achieving capacity control of a centrifugal compressor is
by adjustment to the inlet impeller pre-rotation vanes.
Charge in TEV Sensing Bulb
- answers-The charge in TEV sensing bulb is similar to the refrigerant in this system.
Charge in TEV Sensing Bulb
- answers-The charge in TEV sensing bulb is similar to the refrigerant in this system.
Chemical Fire Extinguisher and System Requirement
- answers-A chemical fire extinguisher and system are needed where water is not
sufficient.
Chemical Fire Extinguisher and System Requirement
- answers-A chemical fire extinguisher and system are needed where water is not
sufficient.
Circuit Breaker Function
- answers-A circuit breaker has a similar function as a fuse.
Circuit Breaker Function
- answers-A circuit breaker has a similar function as a fuse.
Cooling Medium for Indirect Refrigeration System
- answers-In an indirect refrigeration system, glycol or any brine solution would not be
used as a cooling medium for building spaces being cooled.
Cooling Medium for Indirect Refrigeration System
- answers-In an indirect refrigeration system, glycol or any brine solution would not be
used as a cooling medium for building spaces being cooled.
Cooling Tower Cooling Medium
- answers-The cooling medium for a cooling tower is water
Cooling Tower Cooling Medium
- answers-The cooling medium for a cooling tower is water
Cost Calculation for Operating a 5 Horsepower Motor
- answers-The equivalent energy consumption of a 5 horsepower motor operating for 9
hours is 33.6 kilowatt hours.
Cost Calculation for Operating a 5 Horsepower Motor
- answers-The equivalent energy consumption of a 5 horsepower motor operating for 9
hours is 33.6 kilowatt hours.
