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[INST] What is a brake control command line? [/INST] Media used to transfer the train brake control signal throughout the train. | standarts |
[INST] What is a driver鈥檚 brake interface? [/INST] Means for providing the interaction between the driver and the driver鈥檚 brake controller or directly to the train brake control command line. | standarts |
[INST] What is a driver鈥檚 brake controller? [/INST] Component, or combination of components that respond to the interaction provided by the driver鈥檚 brake interface and converts this to a train brake control signal to the brake control command line. | standarts |
[INST] What is a driver鈥榮 brake valve? [/INST] Driver鈥檚 brake interface and brake controller for pneumatic or hydraulic control systems. | standarts |
[INST] What is a passenger alarm system? [/INST] Alarm system that interacts with the train brake system and initiates an emergency brake request if the train is in standstill at or departing a platform or the alarm is not acknowledged by the driver, as set out in EN 16334. | standarts |
[INST] What is a emergency push button? [/INST] Brake control interface used for demanding an emergency brake application. | standarts |
[INST] What is a emergency valve? [/INST] Valve, the principal function of which is, as a result of receiving an emergency brake demand, to cause an emergency brake application by venting the brake pipe. | standarts |
[INST] What is a pressure gauge? [/INST] Gauge measuring and displaying the magnitude of fluid pressure. | standarts |
[INST] What is a trip cock? [/INST] Valve, that when operated mechanically by contact with a feature of the railway infrastructure, initiates an emergency brake demand. | standarts |
[INST] What is a brake indicator? [/INST] Indicator showing the operating state of the brake (e.g. applied, released, or uncertain). | standarts |
[INST] What is a brake control unit? [/INST] Device which accepts control inputs of which at least one represents a brake demand, and then processes and outputs corresponding brake control and/or execution signals. | standarts |
[INST] What is a brake panel? [/INST] Number of brake system components mounted together on a common flat structure. | standarts |
[INST] What is a brake cabinet? [/INST] Enclosure containing one or more brake panels and/or other components. | standarts |
[INST] What is a brake frame? [/INST] Common structure that supports one or more brake panels and/or components. | standarts |
[INST] What is a manifold? [/INST] Pipe bracket interface device positioned between the vehicle pipework and an associated component or group of components. | standarts |
[INST] What is a distributor valve? [/INST] Apparatus to control a pneumatic output pressure as an inverse function of the variation of a brake pipe pressure (input pressure). | standarts |
[INST] What is a brake pipe accelerator? [/INST] Component connected to the brake pipe that, in response to a brake command, assists the propagation of the brake command throughout the train by locally venting the brake pipe. | standarts |
[INST] What is a electro-pneumatic converter? [/INST] Control device, or combination of devices for converting an electrical brake control input signal to a proportional or inversely proportional pneumatic output signal, that operates using either a closed-loop or open-loop principle. | standarts |
[INST] What is a relay valve? [/INST] Valve in which the output pressure or flow corresponds to the input of one or more control pressures or flows. | standarts |
[INST] What is a load dependent relay valve? [/INST] Valve in which the output pressure or flow corresponds to the input of one or more control pressures or flows and one or more inputs corresponding to the vehicle mass or a proportion of the vehicle mass. | standarts |
[INST] What is a load sensing equipment? [/INST] Device or combination of devices that provides an output signal related to the vehicle load. | standarts |
[INST] What is a average pressure valve? [/INST] Valve in which the output pressure or flow is the mean of two or more input control pressures or flows. | standarts |
[INST] What is a averaging relay valve? [/INST] Average pressure valve incorporating a relay valve function. | standarts |
[INST] What is a brake pipe? [/INST] Brake control command line for an indirect pneumatic brake. | standarts |
[INST] What is a normal working pressure? [/INST] Pressure in the brake pipe that corresponds with the brake release condition. | standarts |
[INST] What is a main reservoir pipe? [/INST] Pipe containing air supplied from a main air generation system and supplied to the various pneumatic systems fitted to a vehicle or train. | standarts |
[INST] What is a brake cylinder pipe? [/INST] Pipe conveying fluid to and from one or more brake cylinders. | standarts |
[INST] What is a pneumatic half coupling? [/INST] Assembly of components used for connecting the BP or MRP of a vehicle to the BP or MRP, respectively, of another vehicle. | standarts |
[INST] What is a end cock? [/INST] Cock used to enable or interrupt the continuity of the BP or MRP, it also facilitates safe coupling and uncoupling by venting air pressure in the coupling hose when the cock is in the interrupt position. | standarts |
[INST] What is a train wire? [/INST] Wire conveying electricity for enabling train brake control. | standarts |
[INST] What is a brake cylinder? [/INST] Component part of the brake in which a pressure input change causes a corresponding output force change. | standarts |
[INST] What is a brake actuator? [/INST] Device, which includes the brake cylinder and other components used for force amplification and transmission. | standarts |
[INST] What is a tread brake unit? [/INST] Element of a tread brake, in which the brake application force generation, transmission, brake block holder, and reaction and fixation elements are contained within an assembly which is readily detachable from the vehicle or bogie. | standarts |
[INST] What is a disc brake unit? [/INST] Element of a disc brake, in which the brake application force generation, transmission, brake pad holder, and reaction and fixation elements are contained within an assembly which is readily detachable from the vehicle or bogie. | standarts |
[INST] What is a slack adjuster? [/INST] Device to compensate wear of brake shoes, pads, wheel treads, disc, and brake rigging or brake caliper pivots. | standarts |
[INST] What is a brake rigging? [/INST] Assembly, usually of links and levers, in a friction brake acting between one or more brake cylinder(s) and the brake shoes and/or brake pads. | standarts |
[INST] What is a brake caliper? [/INST] Assembly that provides the means for transferring the force from the brake actuator or cylinder to the brake pads and disc. | standarts |
[INST] What is a brake disc? [/INST] Rotor having one or more co-planar annular friction faces to which brake pads are applied in order to develop a braking torque. | standarts |
[INST] What is a friction face? [/INST] Surface of a disc or pad or block that provides the friction interface for transferring the brake force. | standarts |
[INST] What is a brake block? [/INST] Friction element that exerts the brake force to the running surface of the wheel (tread). | standarts |
[INST] What is a brake pad? [/INST] Friction element that exerts the brake force to the friction face of the brake disc. | standarts |
[INST] What is a brake block holder? [/INST] Device that fixes the brake block in position, transmits the brake block application force, and reacts the brake force. | standarts |
[INST] What is a brake pad holder? [/INST] Device that fixes the brake pad in position, transmits the brake pad application force, and reacts the brake force. | standarts |
[INST] What is a main reservoir? [/INST] Container designed to store air under pressure for brake systems that use pneumatic control and/or actuation, and may also be used by other pneumatic train systems. | standarts |
[INST] What is a auxiliary reservoir? [/INST] Container designed to store air under pressure which is protected and dedicated for use by the brakes on the vehicle to which it is fitted. | standarts |
[INST] What is a control chamber? [/INST] Air volume connected to, or part of a brake distributor valve, the pressure in which is compared to the local brake pipe pressure within the distributor valve, and used to determine the distributor valve output pressure. | standarts |
[INST] What is a equalizing reservoir? [/INST] Container designed to store compressed air, the pressure of which is used in conjunction with a relay valve function for achieving the specified brake pipe pressure characteristic. | standarts |
[INST] What is a control reservoir? [/INST] Container designed to store compressed air, the volume of which is intended to cause a desired pressure/timing characteristic. | standarts |
[INST] What is a compressor? [/INST] Machine used for increasing ambient air pressure for use by the brake system, and other train borne pneumatic systems. | standarts |
[INST] What is a air dryer? [/INST] Device to remove water from compressed air (to the level specified) for use by the brake system, and other pneumatic systems. | standarts |
[INST] What is a liquid separator? [/INST] Device to remove oil and water from compressed air (to the level specified) for use by the brake system, and other pneumatic systems. | standarts |
[INST] What is a aftercooler? [/INST] Device used to reduce the temperature of the air following compression. | standarts |
[INST] What is a safety valve? [/INST] Valve in a pneumatic system which opens so as to prevent the pressure exceeding a specified value. | standarts |
[INST] What is a drain valve? [/INST] Device through which undesired liquid (mainly oil and water) may be expelled with air from a compressed air system. | standarts |
[INST] What is a vent valve? [/INST] Device through which air may be expelled from a compressed air system. | standarts |
[INST] What is a isolating cock? [/INST] Manually operated device used to either allow or prevent the passage of air between one part of a system and another part. | standarts |
[INST] What is a hydraulic pump? [/INST] Machine used for increasing the pressure of hydraulic fluid used by the brake system, and other hydraulic systems. | standarts |
[INST] What is a hand brake? [/INST] Mechanical brake, where brake force is generated only by human effort. | standarts |
[INST] What is a pressure limiting valve? [/INST] Valve in a hydraulic system which opens so as to prevent the pressure exceeding a specified value. | standarts |
[INST] What is a hand wheel? [/INST] Machine-human interface for a hand brake, whereby the human effort is converted into a torque. | standarts |
[INST] What is a spring-applied parking brake actuator? [/INST] Device which generates parking brake force using energy stored in a compressed spring. | standarts |
[INST] What is a manual release? [/INST] Device which enables brake release when the normal method of release is not available. | standarts |
[INST] What is a anti-compound device? [/INST] Device which prevents the compounding of brake forces (e.g. the service and parking brake forces, etc.). | standarts |
[INST] What is a wheel slide? [/INST] Condition where the circumferential speed of a wheel or wheelset is lower than the true train speed. | standarts |
[INST] What is a scotch? [/INST] Device positioned between one or more wheels and the rail, used to prevent vehicle or train movement. | standarts |
[INST] What is a true train speed? [/INST] Instantaneous train speed over the ground. | standarts |
[INST] What is a circumferential speed? [/INST] Rotational speed of the wheel or wheelset, multiplied by the radius of the wheel. | standarts |
[INST] What is a wheel slide protection system? [/INST] System designed to make the best use of available wheel-rail adhesion (where this is less than the wheel-rail adhesion demanded), and in some cases improve wheel-rail adhesion, by a controlled reduction and restoration of the brake force to prevent wheelsets from locking and uncontrolled sliding, thereby minimizing the extension of stopping or slowing distances and possible wheel damage. | standarts |
[INST] What is a wheel rotation monitoring? [/INST] System that continuously monitors wheel or wheelset rotation and indicates any rotation anomaly. | standarts |
[INST] What is a wheel lock? [/INST] Extreme condition of wheel slide where the wheel or wheelset ceases to rotate during braking, whilst the train is in motion. | standarts |
[INST] What is a routine brake test? [/INST] Test that is made regularly in specified operating conditions as a matter of routine on every train, in order to verify the correct operation of the brake system. | standarts |
[INST] What is a static brake test? [/INST] Brake test carried out on a stationary train in order to determine static brake functionality. | standarts |
[INST] What is a dynamic brake test? [/INST] Brake test carried out on a test track or on the operator鈥檚 track on a moving train in order to determine its dynamic braking performance (e.g. braking distance, etc.). | standarts |
[INST] What is a risk? [/INST] Effect of uncertainty on objectives. | standarts |
[INST] What is a risk management? [/INST] Coordinated activities to direct and control an organization with regard to risk. | standarts |
[INST] What is a risk management framework? [/INST] Set of components that provide the foundations and organizational arrangements for designing, implementing, monitoring , reviewing and continually improving risk management processes throughout the organization. | standarts |
[INST] What is a risk management policy? [/INST] Overall intentions and direction of an organization related to risk management. | standarts |
[INST] What is a risk management plan? [/INST] Document within the risk management framework specifying the approach, the management components and resources to be applied to the management of risk. | standarts |
[INST] What is a risk management process? [/INST] Systematic application of management policies, procedures and practices to the tasks of communicating, consulting, establishing the context, identifying, analyzing, evaluating, treating, monitoring and reviewing risk. | standarts |
[INST] What is a communication and consultation? [/INST] Continual or iterative processes that an organization conducts to provide, share or obtain information and to engage in dialogue with stakeholders regarding the management of risk. | standarts |
[INST] What is a stakeholder? [/INST] Any person or organization that can affect, be affected by, or perceive themselves to be affected by a decision or activity. | standarts |
[INST] What is a risk perception? [/INST] Stakeholder鈥檚 view on a risk. | standarts |
[INST] What is a external context? [/INST] External environment in which the organization seeks to achieve its objectives. | standarts |
[INST] What is a internal context? [/INST] Internal environment in which the organization seeks to achieve its objectives. | standarts |
[INST] What is a risk criteria? [/INST] Terms of reference against which the significance of a risk is evaluated. | standarts |
[INST] What is a risk assessment? [/INST] Overall process of risk identification , risk analysis and risk evaluation. | standarts |
[INST] What is a risk identification? [/INST] Process of finding, recognizing and describing risks. | standarts |
[INST] What is a risk source? [/INST] Anything which alone or in combination has the intrinsic potential to give rise to risk. | standarts |
[INST] What is a event? [/INST] Occurrence or change of a particular set of circumstances. | standarts |
[INST] What is a hazard? [/INST] Potential source of harm. | standarts |
[INST] What is a risk owner? [/INST] Person or entity with the accountability and authority for managing the risk and any associated risk treatments. | standarts |
[INST] What is a risk analysis? [/INST] Process to comprehend the nature of risk and to determine the level of risk. | standarts |
[INST] What is a uncertainty? [/INST] State, even partial, of deficiency of information related to or understanding or knowledge of an event , its consequence , or likelihood. | standarts |
[INST] What is a likelihood? [/INST] Chance of something happening. | standarts |
[INST] What is a exposure? [/INST] Extent to which an organization is subject to an event. | standarts |
[INST] What is a consequence? [/INST] Outcome of an event affecting objectives. | standarts |
[INST] What is a probability? [/INST] Measure of the chance of occurrence expressed as a number between and , where is impossibility and is absolute certainty. | standarts |
[INST] What is a frequency? [/INST] Measure of the likelihood of an event expressed as a number of events or outcomes per defined unit of time. | standarts |
[INST] What is a resilience? [/INST] Capacity to resist being affected by an event. | standarts |
[INST] What is a vulnerability? [/INST] Intrinsic properties of something that create susceptibility to a source of risk that can lead to a consequence. | standarts |