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1.1 This test method covers the laboratory measurement of both the acoustical and mechanical performance of pneumatic exhaust silencers designed for quieting compressed gas (usually air) exhausts from orifices connected to pipe sizes up to ³/4 in. NPT. This test method is not applicable for exhausts performing useful work, such as part conveying, ejection, or cleaning. This test method evaluates acoustical performance using A-weighted sound level measurements.
Standard Practice for Measuring Surface Atmospheric Temperature with Electrical Resistance Tempera..
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Standard Practice for Qualification of Basket and Paddle Dissolution Apparatus..
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Standard Specification for UNS N06022,UNS N08020, UNS N08026, UNS N08024, UNS N08926, UNS N08367, UN..
Standard Specification for Silvered Flat Glass Mirror..