2.1 MECHANICAL SERVICES
LIFTS– DEFINITION– LOCATION – SIZES– COMPONENT
PARTS– LIFT WELL, TRAVEL,PIT, HOIST WAY , MACHINE,
BUFFER, DOOR LOCKS– SUSPENDED DROPE, LIFT CAR,
LANDING DOOR, CALL PUSH-DIFFERENT TYPES OF
ELEVATORS– FREIGHT ELEVATORS, PASSENGERS
ELEVATORS, HOSPITAL ELEVATORS–DUMB WAITERS AND
VERTICAL CONVEYORS– ESCALATORS–LOCATIONS AND
FUNCTIONS–ADVANTAGES OF ESCALATORS.
2.2 AIR CONDITIONING
DEFINITION – PURPOSE –PRINCIPLES – TEMPERATURE
CONTROL, AIR VELOCITY CONTROL, HUMIDITY CONTROL–
AIR CONDITIONING SYSTEMS – COMPONENT PARTS –
AIR PUMPS ,AIR DELIVERY SYSTEM, AIR DISTRIBUTION
SYSTEM–CLEANERS– FILTERS, SPRAY WASHERS,
ELECTRIC PRECIPITATORS– TYPES OF AIR
CONDITIONERS – CENTRAL TYPE – WINDOW TYPE –SPLIT
UNIT.