air brake system
71Hydraulic brake — Hydraulic Hy*drau lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; y dwr water + ? flute, pipe. See {Hydra}.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock,… …
72Fell mountain railway system — The Fell system uses a raised centre rail between the two running rails on steeply graded railway lines to provide extra traction and braking, or braking alone. Trains are propelled by wheels or braked by shoes pressed horizontally onto the… …
73cold air unit — A unit in the aircraft pressurization system that provides cold air. The air is made to drive a compressor by flowing through a turbine. The turbine extracts pressure and heat energy from the flow. The air emerges from the turbine in an expanded… …
74pneumatic brake — /njuˌmætɪk ˈbreɪk/ (say nyooh.matik brayk) noun a system of braking used on some railway trains in which compressed air is used to operate brake cylinders throughout the train simultaneously …
75Tram controls — The following article describes the controls on electric, rather than steam trams.OverviewThe operation of trams is relatively simple. As trams run on rails, they do not require steering controls. However they do require controls for the smooth… …
76pneumatic device — Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed air power is flexible, economical,… …
77GE Genesis — Metro North GE Genesis P32AC DM #202 in new paint scheme Power type Diesel electric Builder GE Transportation Systems Model …
78Driving licence in Canada — In Canada, driver s licences are issued by the government of the province and territory in which the driver is residing. Thus, specific regulations relating to driver s licences vary province to province, though overall they are quite similar.… …
79Fail-safe — or fail secure describes a device or feature which, in the event of failure, responds in a way that will cause no harm or at least a minimum of harm to other devices or danger to personnel. Definitions*“A device that will provide its intended… …
80Multiple-unit train control — Multiple unit train control, sometimes abbreviated to multiple unit or MU, is a method of simultaneously controlling all the traction equipment in a train from a single location, whether it is a Multiple unit comprising a number of self powered… …
