Electrical
What is DC power and where is it used in the building?
Direct Current - Single constant direction. Used in batteries and control circuits
What are the 4 main sections of a standby generator?
Radiator, Alternator, Engine, Exhaust
Where is R-454B refrigerant used?
MAUs
What is a class D fire extinguisher used for?
Metals
The Man on mars
The Martian
Standing in an electric room, what do you use to calculate PUE?
Use the reading on the SW-Meter divided by the reading on the UP-Meter.
What happens when you E-stop the house generator?
The output breaker trips on the unit
What is a BTU?
British Thermal Unit - The energy required to raise the temperature 1 pound of water by 1 degree Fahrenheit
Normal System Air Pressure of a Pre-Action?
15 - 60 psi
The person who gives something, memories in this case
The Giver
Common Alarms to know for UPS
Over Temp, Inverter/Rectifier Failure, Fan Failure, Power Module Failure, Communication Failure,
BONUS: UPS on Battery
480/277v Loads in the Generator Enclosure
Transformer to LV loads, Block Heater
What is Static Pressure?
The resistance air encounters as it moves through the ductwork
What are the conditions required for a Pre-Action to activate?
Electrical - 2 smoke detectors going off
Mechanical - Loss of air pressure in the sprinkler pipes, most likely from a sprinkler head breaking
Person who steals books
The Book Thief
Function(s) of the MFR
Acts as a Backup to the PLC should it fail.
Engine Running RPM
1,800 RPM
What is the name for the temperature that air has to be cooled to in order to achieve 100% humidity?
Dew Point
Define Trouble, Supervisory, and Alarm and when each one can be cleared.
Trouble - Malfunction preventing proper operations, clears when condition no longer exists
Supervisory - Change in operational state, clears when it's put back into normal operations
Alarm - Detected Alarm condition from a component, clears by the fire department.
The temperature at which paper burns
Fahrenheit 451
Define and give a brief description of LSIG
L - Long Time, Overload protection from Inrush Current
S - Short time, Low level Short Circuit Fault
I - Instantaneous, High Level Short circuit fault
G - Ground Fault protection
How is a drop of fuel converted into electrical energy?
Combustion spins the rotor, creating a spinning magnetic field which produces AC current on the coils.
What sensor controls the cooling on of a CRAC?
The Supply Temp Sensor
What is the system's reaction to air pressure falling to 10 psi?
Supervisory for low air pressure, Air compressor starts to supply air into the pipes.
Ruler of the Hand Jewlery
Lord of the Rings