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The Transmission of Heat
Methods of Heating
23 other sections not shown
air change allow amount of heat asbestos atmospheric pressure automatic B.T.U. per hour bend boiler building calculated calorifier ceiling cent central heating check valve circuit circulating pressure concrete condense line connected convection cooling diameter duct effect electric emission expansion factory fire fitted fixed floor flow and return fuel gauge heat input heat loss heat required heating engineer heating system horizontal hot water hot-water increased inlet installation insulation latent heat length load low-pressure material mechanical ventilation metal necessary operation outlet pipe plaster position pump quantity radiator reduced regulated resistance return trap roof sections sensitive element shown in Fig smoke pipe space steam main steam pressure steam trap suitable supply switch Table taken tank thermal thermal insulation thermal transmittance thermometer thermostat thermostatic control tube unit heaters usually valve vapour velocity vent ventilation vertical wall warming water level