Page 498 - Boiler_Operators_Handbook,_Second_Edition

Index 483

hot wire analyzers 415 installing packing 209 life cycle cost 278
HRSGs 142, 362 instantaneous hot water heaters 133 life of electrical equipment 215
HRT boiler 281 instructions 199 lift test 78
HTHW 271 instrumentation 367, 422 light-off conditions 58
boiler control 390 instrument maintenance 210 light-off position 62
design conditions 129 Instrument Society of American 380 limit and operating controls 170
generator 129 insulation inventory 206 limit switches 170
humidifiers 187 insulation studs 205 boiler 303
HVAC 179 insurance companies 91 linear air flow 405
hydraulics 16 integral 374 linearity 383
Hydrazine 260 intercoolers 354 linkage adjustment 402
hydrocarbons 24 intermediate supported units 279 liquid line 167
hydrogen 362 intermittent duty motors 38 liquid observation port 167
as a fuel 229 interruptible gas 32, 84 list of disasters 44
-carbon 235 interstitial space 233 lithium bromide 176
heating 124 in. W.C. 11 little bits 205
hydrostatic testing 94 ion 243 live zero 367
hyperbolic cooling towers 178 LNG 228
hysteresis 375, 409 J load 12
jacking gear 102, 360 load control valves 169
I jackshaft control 399 local boilers 31
ice expands 152 jet pumps 350 local setpoint 366
ice storage 152 local transmitters 428
ideal gas law 352 K lock-out, tag-out 200
idle systems 80 Ken Donithan of Total Boiler Control locomotive boiler 282
ignition arch 322 200 log book 45
ignition cycle 63 key caps 286 log calculations 52
ignition permissive 395 keyed in 208 logs 45
imbalance 348 kiln dried wood 237 longitudinal welds 289
impeller turned down 331 King Valve 168 loop 366
impending emergencies 75 know your plant 109 loop trap 103
implied measures 12 kpph 10 losing calibration 212
implosion 288 lower explosive limit 29
impulse turbine 358 L lower heating value (LHV) 115
inches of water 10 lack of a ground 35 low fire changeover 84
incomplete combustion 25 landfill gas 230, 317 low fire hold 67, 407
incomplete penetration 224 lantern ring 209 low fire position 86
individuals without a license 432 large hydronic heating systems 389 switches 62
induced draft boiler 287 lawn sprinkler example 16 low fire start 398
inert gas 25, 201 law of conservation of mass 27 low hydrogen electrodes 224
inferential metering 410 lay-up 96 low load 105
infrared thermometer 215 lead-lag controls 387 low oil pressure switches 170
inlet bell 348 leakage in a long duct run 194 low pressure boilers 271
inlet conditions 182 leakage is necessary 327 low pressure drop check valve 304
inlet screens 348 leak testing of fuel oil safety shut-off low-pressure heat exchangers 24
inlet vanes 158 valves 78 low-pressure switch 170
input-output efficiency 114 LEDs 212 low set firebox boiler 282
in-situ analyzers 416 Legionella 136 low temperature switch 171
inspection and access doors 185 LEL 29 low water cutoff 300
inspector’s gauge connection 91 levels 8 fail 92
instability 29 licensed individuals 433 low water flow switches 129