Metro ESM5 Flashcards
Fixed temperature detectors inside the fan and vent shafts of the metro systems are designed to activate when the ambient temperature exceeds what?
135 degrees Fahrenheit
What is the discharge rate of the deluge sprinkler systems that are installed in the escalator pans of single entry metro stations?
5 gpm
Which key will open the elevator machine room ?
Master key
Fire/Rescue personnel should never attempt to lower or raise a electric traction elevator, is this statement true or false ?
True
On electric traction elevators, how much heavier is the counterweight system than the weight of the car and its expected maximum load?
40%
What is the only thing that keeps the coil brake from engaging on an electric traction elevator?
Electricity
Which of the following is the recommended procedure for removing trapped victims from escalators?
To pry the step away from the sideboards
(True/False) Evacuation of people from a train into the tunnel is only recommended as a last resort.
True
The Rohr cars are equipped with only one fire extinguisher. The extinguisher is located
in the operator’s compartment
The safety walkways are _____ inches wide?
22
The Metro system is designed to handle up to ____ set of married pairs in one train. This constraint is due to the maximum length of each station platform, which is _____ feet.
4 and 600
Which room in the Metro contains an automatic sprinkler system?
Cleaners room
On a hydraulic elevator in the metro system, what color and shape is the emergency lowering valve handle?
Red with a T shaped handle
PABX telephones in the Metro system are used to communicate with trapped passengers in metro elevators, where are PABX phones located?
Elevator machine room
The ___ door on a metro rail car cannot be opened with a XX barrel key?
“three”