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201 INDUSTRIAL ENGINEERING (continued) ERGONOMICS—HEARING The average shifts with age of the threshold of hearing for pure tones of persons with "normal" hearing, using a 25-year-old group as a reference group. Equivalent sound-level contours used in determining the A-weighted sound level on the basis of an octave-band analysis. The curve at the point of the highest penetration of the noise spectrum reflects the A-weighted sound level.
202 INDUSTRIAL ENGINEERING (continued) Estimated average trend curves for net hearing loss at 1,000, 2,000, and 4,000 Hz after continuous exposure to steady noise. Data are corrected for age, but not for temporary threshold shift. Dotted portions of curves represent extrapolation from available data. 1 2 4 8 10 20 40 Tentative upper limit of effective temperature (ET) for unimpaired mental performance as related to exposure time; data are based on an analysis of 15 studies. Comparative curves of tolerable and marginal physiological limits are also given. EFFECTIVE TEMPERATURE, °F 120 110 100 90 80 MARGINAL PHYSIOLOGICAL LIMIT UPPER LIMIT FOR UNIMPAIRED MENTAL PERFORMANCE ATMOSPHERE CONDITIONS TOLERABLE PHYSIOLOGICAL LIMIT 0 60 120 180 240 300 360 EXPOSURE TIME MINUTES 48.9 43.4 37.8 32.2 26.7 Id tilE i i EFFECTIVE TEMPERATURE, °C
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FUNDAMENTALS OF ENGINEERING SUPPLIE
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Published by the National Council o
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CONTENTS Units.....................
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CONVERSION FACTORS Multiply By To O
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Case 4. Circle e = 0: (x - h) 2 + (
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MATRICES A matrix is an ordered rec
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Taylor's Series f ( x) = f ( a) ( a
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MENSURATION OF AREAS AND VOLUMES No
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CENTROIDS AND MOMENTS OF INERTIA Th
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Numerical Integration Three of the
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PROBABILITY FUNCTIONS A random vari
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HYPOTHESIS TESTING Consider an unkn
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ENGINEERING PROBABILITY AND STATIST
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22 CRITICAL VALUES OF THE F DISTRIB
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FORCE A force is a vector quantity.
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26 y y y y y y C Figure Area & Cent
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28 y y y Figure Area & Centroid Are
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Normal and Tangential Components y
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M is the moment applied to the part
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The figure shows a fourbar slider-c
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It may also be shown that the undam
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UNIAXIAL STRESS-STRAIN Stress-Strai
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STATIC LOADING FAILURE THEORIES Bri
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Using the stress-strain relationshi
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DENSITY, SPECIFIC VOLUME, SPECIFIC
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The Field Equation is derived when
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Specific fittings have characterist
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FLUID MEASUREMENTS The Pitot Tube -
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DIMENSIONAL HOMOGENEITY AND DIMENSI
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MOODY (STANTON) DIAGRAM e, (ft) e,
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PROPERTIES OF SINGLE-COMPONENT SYST
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Mixers, Separators, Open or Closed
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SECOND LAW OF THERMODYNAMICS Therma
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Temp. o C T 0.01 5 10 15 20 25 30 3
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P-h DIAGRAM FOR REFRIGERANT HFC-134
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Gases Substance Air Argon Butane Ca
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RADIATION The radiation emitted by
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Use the cylinder diameter in the ev
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Shape Factor Relations Reciprocity
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For more information on Biology see
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Stoichiometry of Selected Biologica
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Avogadro's Number: The number of el
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80 Specific Example IUPAC Name Comm
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MATERIALS SCIENCE/STRUCTURE OF MATT
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HARDENABILITY Hardenability is the
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POLYMERS Classification of Polymers
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Signal Conditioning Signal conditio
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An alternative form commonly employ
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ENGINEERING ECONOMICS Factor Name C
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ENGINEERING ECONOMICS (continued) 9
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B. LICENSEE’S OBLIGATION TO EMPLO
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Common Names and Molecular Formulas
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For mixtures of ideal gases: fi o =
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Distillation Definitions: α = rela
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Cost Segments of Fixed-Capital Inve
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Concentrations of Vaporized Liquids
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COARSE- GRAINED SOILS More than 50%
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STRUCTURAL ANALYSIS Influence Lines
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Pu A's As Mu A's As UNIFIED DESIGN
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SHORT COLUMNS Limits for main reinf
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GRAPH A.15 Column strength interact
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BEAMS: homogeneous beams, flexure a
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124 CIVIL ENGINEERING (continued) B
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126 CIVIL ENGINEERING (continued) A
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Fy = 50 ksi φb = 0.9 φv = 0.9 Sha
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♦ 50.0 1.0 10.0 5.0 3.0 0.9 2.0 1
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ALLOWABLE STRESS DESIGN SELECTION T
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Kl r ASD Table C-50. Allowable Stre
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Open-Channel Flow Specific Energy 2
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Transportation Models See INDUSTRIA
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VERTICAL CURVE FORMULAS L = Length
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EARTHWORK FORMULAS Average End Area
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, METERS , METERS 144 ENVIRONMENTAL
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Cyclone Cyclone Collection (Particl
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FATE AND TRANSPORT Microbial Kineti
Page 155 and 156: LANDFILL Break-Through Time for Lea
Page 157 and 158: 152 ENVIRONMENTAL ENGINEERING (cont
Page 159 and 160: No. 1 2 3 4 5 6 7 8 9 10 11 12 13 1
Page 161 and 162: Exposure Residential Exposure Equat
Page 163 and 164: TOXICOLOGY Dose-Response Curves The
Page 165 and 166: ♦ Aerobic Digestion Design criter
Page 167 and 168: where R Cin = stripping factor H′
Page 169 and 170: Bed Expansion Monosized Multisized
Page 171 and 172: Stokes' Law V t 2 ( ρp − ρf ) g
Page 173 and 174: Resistors in Series and Parallel Fo
Page 175 and 176: RC AND RL TRANSIENTS v R + V 1 −
Page 177 and 178: AC Machines The synchronous speed n
Page 179 and 180: LAPLACE TRANSFORMS The unilateral L
Page 181 and 182: Fourier Transform Pairs x(t) X(f) 1
Page 183 and 184: FM (Frequency Modulation) The phase
Page 185 and 186: 180 ELECTRICAL AND COMPUTER ENGINEE
Page 187 and 188: OPERATIONAL AMPLIFIERS Ideal v2 vo
Page 193 and 194: FLIP-FLOPS A flip-flop is a device
Page 195 and 196: Standard Deviation Charts n A3 B3 B
Page 197 and 198: LINEAR REGRESSION Least Squares bx
Page 199 and 200: ERGONOMICS NIOSH Formula Recommende
Page 201 and 202: PERT (aij, bij, cij) = (optimistic,
Page 203 and 204: HYPOTHESIS TESTING Table A. Tests o
Page 205: ERGONOMICS U.S. Civilian Body Dimen
Page 209 and 210: The deflection θ and moment Fr are
Page 211 and 212: Failure by crushing of rivet or mem
Page 213 and 214: Only the tangential component Wt tr
Page 215 and 216: Cooling and Dehumidification ω Q
Page 217 and 218: Cycles and Processes Internal Combu
Page 219 and 220: Steam Trap Junction Pump See also T
Page 221 and 222: Compressor Isentropic Efficiency: w
Page 223 and 224: Infiltration Air change method ρ c
Page 225 and 226: compressible fluid, 50 compression
Page 227 and 228: jet propulsion, 48 JFETs, 182, 184
Page 229 and 230: esultant, 24 retardation factor R,
Page 231 and 232: State Code School Alabama Universit
Page 233 and 234: State Code School Minnesota Univers
Page 235: State Code School Virginia (Cont'd)
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