WHAT INTERIOR ELEMENT CONTROLS ECHO?

TYPE OF LIGHTING THAT CONTAINS MERCURY. IT IS ACTUALLY A GAS DISCHARGE LAMP THAT USES ELECTRICITY TO EXCITE MERCURY VAPOR INSIDE A TUBE. THE MERCURY ATOMS PRODUCE SHORT-WAVE ULTRAVIOLET LIGHT THAT IN TURN CAUSES THE PHOSPHOR COATING IN THE TUBE TO PRODUCE VISIBLE LIGHT

IN POWER DISTRIBUTION, A GROUP OF ELECTRIC CONDUCTORS WHICH ORIGINATE AT A MAIN DISTRIBUTION CENTER AND SUPPLY ONE OR MORE SECONDARY DISTRIBUTIONS, ONE OR MORE BRANCH CIRCUIT DISTRIBUTION CENTERS, OR A COMBINATION OF THESE

IN THE RECYCLING AND TREATMENT OF WATER FOR LOW COST AND ECONOMIC USE, WHERE CAN YOU USE GREY WATER?

A COMPUTER-BASED CONTROL SYSTEM INSTALLED IN BUILDINGS. IT CONTROLS AND MONITORS THE BUILDING'S MECHANICAL AND ELECTRICAL EQUIPMENT SUCH AS VENTILATION, LIGHTING, POWER SYSTEMS, FIRE SYSTEMS AND SECURITY SYSTEMS.

A BOX USED TO CONTAIN SPLICING OF ELECTRICAL WIRES USUALLY INTENDED TO CONCEAL THEM FROM SIGHT AND DETER TAMPERING.

IN ELECTRICAL WIRING, A METAL ENCLOSURE THAT HOUSES CIRCUIT BREAKERS OR FUSES; IS DESIGNED FOR SURFACE MOUNTING, WITH A SWINGING DOOR OR COVER TO PROVIDE EASY ACCESS..

USUAL SPEED OF ESCALATOR

MAXIMUM SPEED OF ESCALATOR

WHAT DEVICE IS USED TO INCREASE THE PRESSURE OF REFRIGERANT IN AN AIRCON SYSTEM

MINIMUM CLEARANCE FROM FLOOR OF PIPES FOR AIRCONDITIONING UNITS WHEN CROSSING A HALLWAY OR CORRIDOR

IF THE POWER SUPPLY PROVIDED FOR A SUBDIVISION IS NOT SUFFICIENT FOR THE POWER REQUIREMENTS OF THE HOUSEHOLDS, WHAT MUST BE PROVIDED BY THE DEVELOPERS?

A TYPE OF ELECTRICAL WIRE SUITABLE FOR DRY AND DAMP LOCATIONS, THHN IS COMMONLY USED IN the ALTERNATING CURRENT DISTRIBUTION SYSTEM USUALLY AT VOLTAGE LEVELS RANGING FROM 110-600 VOLTS. WHAT IS MEANT BY THHN?

WHAT TYPE OF LOCAL DATA SHARING DEVICE IS APPROPRIATE FOR THE OFFICE?

WHAT COMMUNICATION SYSTEM IS USED TO LINK ONE OFFICE TO ANOTHER FOR A PRIVATE DIALOGUE?

PABX STANDS FOR?

RSC STANDS FOR?

WHAT IS NOT PART OF A LIGHTNING ARRESTER?

WHICH COMES BEFORE THE WATER METER?

WHICH COMES AFTER THE WATER METER?

GIVEN THE FIGURE AT LEFT, IDENTIFY "B".

GIVEN THE FIGURE AT LEFT, IDENTIFY "A".

GIVEN THE FIGURE AT LEFT, IDENTIFY "C".

IN PLUMBING, A VALVE IS USED TO REGULATE THE FLOW OF WATER. WHAT IS IT'S COUNTERPART IN ELECTRICAL?

ITS MAIN FUNCTION IS TO PREVENT REVERSAL OF FLOW IN THE LINE. VALVES OF THESE TYPES ARE RECOMMENDED FOR GAS, WATER, STEAM, AIR AND GENERAL VAPOR SERVICES.

A SPRINKLER SYSTEM EMPLOYING OPEN SPRINKLERS THAT ARE ATTACHED TO A PIPING SYSTEM THAT IS CONNECTED TO A WATER SUPPLY THROUGH A VALVE THAT IS OPENED BY THE OPERATION OF DETECTION SYSTEM INSTALLED IN THE SAME AREAS AS THE SPRINKLERS.

A SPRINKLER SYSTEM EMPLOYING AUTOMATIC SPRINKLERS THAT ARE ATTACHED TO A PIPING SYSTEM THAT CONTAINS AIR THAT MIGHT OR MIGHT NOT BE UNDER PRESSURE, WITH A SUPPLEMENTAL DETECTION SYSTEM INSTALLED IN THE SAME AREAS AS THE SPRINKLERS.

A DEVICE USED TO PREVENT WATER HAMMERING.

A TYPE OF SPRINKLER HEAD WHICH PROJECTS THROUGH A FINISHED CEILING WHEN PIPING IS CONCEALED.