Tests for mechanical and physical properties of aggregates - Determination of the resistance to wear (micro-Deval) Ingestion-build-61878

Tests for mechanical and physical properties of aggregates - Determination of the resistance to wear (micro-Deval) Ingestion-build-618781 Scope This European Standard describes the reference method used for type testing and in case of dispute for determining the resistance to wear of coarse aggregates (main text) and aggregates for railway ballast (Annex A). For other purposes, in particular factory production control, other methods may be used provided that an appropriate working relationship with the reference method has been established. The sample is normally tested in a wet

With some necessary modifications and adjustments

The names of the tests have been revised to the “extreme” and “normal” pressure surge tests

Preliminary experiments might be necessary to determine whether these conditions are met

a list of additional parameters has been defined to support the definition of the measurement specifications and their associated test procedures

as defined in Annex A of IEC 61753-1

The previous Annex B become Annex A

in addition to this

Power and energy are calculated based on voltage and current data acquired from existing sensors installed in converter systems

The test methodologies for verifying performance characteristics and accuracy are also included in BS EN 60255-151

Unless one of the alternative heating regimes is specifically required

25) operated in accordance with ISO 8878 cannot interwork with the Connectionless-mode Network Protocol (CLNP) ISO 8473

BS EN 378-4 helps you to minimize risks of injury to persons and damage to property and the environment resulting from improper handling of the refrigerants or from contaminants leading to system breakdown and resultant emission of the refrigerant