Study — concept handbook

Moist-air properties, the psychrometric chart, and sensible, latent, mixing, humidification, and dehumidification processes at sea level and altitude.

Envelope conduction, solar and internal gains, infiltration and ventilation loads, supply-air flow from room sensible heat, and reheat.

Duct sizing and friction, equal-friction and static-regain methods, fan total/static pressure, terminal devices, diffusers, and VAV airflow.

Outdoor-air requirements, dilution and contaminant balances, filtration efficiency (MERV), mixing, exhaust, and pressurization.

Pipe head loss and pump head, hydronic coil capacity, glycol corrections, steam and condensate sizing, and expansion-tank sizing.

Valve and damper authority and Cv, sensors and actuators, economizer and reset strategies, and PID feedback response.

Vapor-compression cycles on the p-h diagram, COP and capacity, refrigerant properties and selection, subcooling, superheat, and food/process refrigeration loads.

Tower range, approach, and effectiveness, evaporation and makeup water, cycles of concentration, and condenser-water heat balance.

Fuel heating values, air-fuel ratio and excess air, combustion and thermal efficiency, boiler/furnace fuel rate, and flue-gas losses.

LMTD and effectiveness-NTU methods, shell-and-tube and plate-and-frame exchangers, correction factors, and cooling/heating coil duty.

Chiller kW/ton and IPLV, heat-pump heating COP and balance point, condenser/evaporator duty, and chilled-water and ice thermal storage.

Affinity laws, pump and fan power and efficiency, NPSH and cavitation, operating point, parallel/series operation, and compressor work.

Sensible and total (enthalpy) recovery effectiveness, enthalpy wheels, heat pipes, and run-around loops, with recovered-energy and economizer savings.

Codes and standards, sound and vibration control (NC, dBA, isolation), life-cycle and payback economics, and motor power, amperage, and heat output.