A device designed to stop an elevator car or counterweight from descending beyond its normal limit of travel

When the elevator car rest on its fully compressed buffer, there shall be a vertical clearance of not less than between the pit floor and the lowest structural or mechanical part.

There shall be installed in the pit of each elevator where the pit extend more than ___ below the sill of the pit access door

Device for heating water or generating steam above atmospheric pressure.

Machine that decreases the volume and increases the pressure of a quantity of air by mechanical means.

Device that convert electrical energy into mechanical energy, by electromagnetic means.

A machine often provides the most convenient and economical means of transporting relatively small articles between levels.

An air-conditioning system in which the air is treated by equipment at one or more central locations outside the spaces served and conveyed to and from these spaces by means of fans and pumps through duct and pipes.

The following are elements of centralized air-conditioning system except _______.

It is the flow of heat through a material by transfer from warmer to cooler molecules in contact with each other.

What is also known as a synthetic chemical refrigerant?

A process which refrigerant from liquid to gas

The art and practice of heating and cooling with water

A controller sensitive to the degree of moisture in the

air

Steel wires used to compensate cars and counterweights

A device that is basically a double throw switch of

generally 3-pole connection that will automatically transfer

the power from the standby generator to the building

circuitry during electrical power failure.

The effective room temperature in air-conditioning.

Heat rating for a fixed temperature heat detector.

Which is the following characterizes centrallized airconditioning

a. It uses ducts

b. Has cooling tower

c. Provided with air handling unit

d. All of these

The total cooling output of an air-conditioner during its annual usage, in BTU/hr divided by the energy input during the same period, in watt-hours is known as_____.

A factor used in calculating cooling load that includes heat

transferred from walls, doors, ceilings, etc. is known as _____.

Which type of refrigerant is recommended for residential,

commercial, and industrial application using split type air-conditioning system?

The term impedance is used in transformers and other devices in AC is a combination of _______.

Kind of glass required in an escalator's balustrade

Minimum angle of inclination of an escalator

Minimum for window type AC installed on ground floors

Mechanical equipment coupled with a central air conditioning system used to dehumidify and cool the airstream injected to the conditioned space

An assembly consisting of a pulley wheel, side plates, shaft, and bearings over which a cable or roped is passed.

Under NBC, the maximum rated speed of an escalator along the angle of travel.