Mechanical
Electrical
Remote Hands
Generator
Site Info
100
How many BTUs in one ton of refrigerant?
12,000BTUs
100
R=V*I is the equation for...
Resistance
100
What does SFP stand for?
Small Formfactor Pluggable
100
How many cylinders are on the critical lineup generators? (ASH1 and IAD2)
ASH1 - 20
IAD2 - 16
100
How many chillers is the site able to hold?
14
200
A dangerous condition in which refrigerant flows backward through the compressor, potentially causing significant damage, is called...
Surging
200
Difference between arc flash and arc blast?
An arc flash is the intense heat, light, and radiation produced by an electrical discharge, while an arc blast is the powerful pressure wave that results from an arc flash, creating a blast effect.
200
What does DWDM stand for and what is it's purpose?
Dense Wavelength Division Multiplexing, is a fiber-optic technology that increases data capacity by transmitting multiple, distinct light signals (wavelengths) simultaneously over a single fiber-optic cable
200
What are all of the maintenance periodicites for generators based on QTS standards?
Daily, Monthly, Semi-Annual, Annual, 3-Year, 6-Year
200
How many UPS systems are there at ASH1 and IAD2?
ASH1 - 36
IAD2 - 7
300
The high-side or discharge pressure generated by the compressor.
Head Pressure
300
The production of an electromotive force across an electrical conductor in a changing magnetic field.
Magnetic Induction
300
What is the SLO for remote hands requests?
Best Effort
300
What are the four strokes on a diesel engine?
Intake, Compression, Combustion, Exhaust
300
What are the tonnages of each chiller and how much kW can they technically cool?
900 and 3165kW
400
The percentage change in a process variable (like temperature or flow) required to cause the controller's output to change over its full range, from 0% to 100%.
Proportional Band
400
The portion of electrical power in an AC circuit that is stored and released by inductive and capacitive components, such as motors and transformers, to create magnetic or electrostatic fields.
Reactive Power
400
What is the light source for SMF and MMF?
SMF - Laser diodes
MMF - LEDs or VCSELs
400
How many hours can our generators run at full load before running out of fuel? (ASH1 and IAD2)
ASH1 - 24 Hours
IAD2 - 48 Hours
400
IAD2 has how many RTUs and what is the duct static pressure setpoint for the ERs and DHs?
12 DH, 8 ER, and 1 base building
1.2inWC DH and 1.00inWC ER
500
A thermodynamic property measuring the disorder or randomness of the refrigerant or air within a system, often described as the dispersal of energy into more available states
Entropy
500
The transformer is 480V with a current draw of 1800, and its power factor is to be assumed as 0.8. What is the load in kW? (Round to the nearest whole number)
1,198 kW
500
What is the orientation for a T568B cable?
White Orange
Orange
White Green
Blue
White Blue
Green
White Brown
Brown
500
What is the Frequency formula in the context of synchronous motors?
F=(n*P)/120
500
Redundancy for the following assets:
CRAHs
NCUP
SCUP
RTUs (MAUs)
IAD2 DH RTU
CRAH - N+2
NCUP - N+1 (current N+3)
SCUP - N+1
RTUs - N+1
IAD2 DH RTU - N+3