HKIA Exam Paper 1 Quiz 54

Fire hydrant/hose reel system. An installation of pipes, water tanks, pumps, hydrant outlets and/or hose reels in a building to provide a ready means by which a jet of water can be delivered in any part of the building for the purpose of firefighting. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Fireman‘s communication system. A system designed to enable Fire Services personnel to use direct telephone and/or their mobile/portable radio equipment for maintaining voice and/or data communications with the Fire Services Communication Centre. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Double leaf door shall be normally 2600mm wide and 2800mm high for transformer access. The actual door size is subjected to the transformer rating and type. (Code of practice 101 for distribution substation design version 14.0 – 5.6.2 Type of door).

Fire alarm system. Any manually operated system designed to give warning of fire. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Fireman‘s lift. A lift designed and installed to be used by firemen in the event of a fire. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Firefighting and rescue stairway. A stairway accommodating an access staircase and a fireman‘s lift. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Ventilation/air conditioning control system. An automatic control system, designed to stop mechanically induced air movement within a designated fire compartment, actuated by smoke detectors/the building fire alarm system and provided with a central, manually operated back up facility. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Cold Storage Area. Any area incorporating a unit of specific volume which is entirely given over to storage in an atmosphere of less than 10 °C. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Car Port. A covered parking area open for its entire length or width on at least two sides. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Gate Valve. A valve that provides a straight-through passage for the flow of fluid and in which the passage can be close. It is used where the water pressure is low and on distribution pipework from a storage cistern. (Handbook on Plumbing Installation for Buildings – 1.3 – Commonly used waterworks liftings).

Ball Valve. A valve that controls the entry of water into a storage cistern or flushing cistern, closing off the supply when the water level in the cistern has reached a predetermined level. It is sometimes called a ball cock or float-operated valve. (Handbook on Plumbing Installation for Buildings – 1.3 – Commonly used waterworks liftings).

Float Switch. A device incorporating a float that operates a switch in response to changes in the level of a liquid. (Handbook on Plumbing Installation for Buildings – 1.3 – Commonly used waterworks liftings).

Calorifer. A storage vessel, not open to the atmosphere, in which a supply of water is heated. The vessel contains an element, such as a coil of pipe, walls of the element. (Handbook on Plumbing Installation for Buildings – 1.3 – Commonly used waterworks liftings).

Non-return Valve. A valve that prevents reversal of flow in the pipe of a water supply by means of the check mechanism, the valve being opened by the flow of water and closed by the action of the check mechanism when the flow ceases, or by back pressure. It is also known as check valve. (Handbook on Plumbing Installation for Buildings – 1.3 – Commonly used waterworks liftings).

Pressure Reducing Valve. A valve that reduces the pressure of a fluid immediately downstream of its position in a pipeline to a preselected value or by a predetermined ratio. (Handbook on Plumbing Installation for Buildings – 1.3 – Commonly used waterworks liftings).

GI stands for Galvanized steel in the Handbook on plumbing installation for building. (Handbook on Plumbing Installation for Buildings – 1.2 – Abbreviations).

Conditioned space means a space within boundaries maintained to operate at desired temperature through cooling, heating, dehumidification or humidification, using means other than only natural or forced fan ventilation. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Control valve in an air-conditioning installation means a valve that controls the flow of chilled or heated water supply to AHU or heat exchanger in response to the cooling or heating load. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Effective current-carrying capacity in the context of electrical installation means the maximum current-carrying capacity of a cable that can be carried in specified conditions without the conductors exceeding the permissible limit of steady state temperature for the type of insulation concerned. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Electrical installation has the same meaning in the Ordinance, which in relation to a building, means fixed equipment, distribution network or accessories for electricity distribution or utilization in the building. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Hydraulic lift means a lift which the lifting power is derived from an electrically driven pump transmitting hydraulic fluid to a jack, acting directly or indirectly on the lift car. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Heat pump means an air conditioning equipment that includes an evaporator, compressor, condenser, and regulator controls, which serves to supply heated water or heated air. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Fan motor power (unit: Watt)’ means the actual electrical power drawn by the motor, calculated by dividing fan shaft power/fan brake power by motor efficiency and mechanical drive efficiency. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Motor control center (MCC) means a device or group of devices in a cubicle assembly that serves to control the operation and performance of the corresponding electric motor greater than 5kW, or group of motors with at least one greater than 5kW. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Motor drive of a lift, escalator or passenger conveyor means the electrical motor driving the equipment plus the driving controller. (Code of practice for efficiency of building services installation 2018 – 2 Interpretations and Abbreviations).

Static smoke extraction system. A smoke extraction system utilizing smoke reservoirs; localized ducting; and permanent openings and/or automatic opening of windows, panels or external louvers actuated by smoke detectors; to remove, on the principles of natural ventilation, smoke and products of combustion from a designated fire compartment. (Code of practice for minimum fire service installations and equipment 2012 – 2.2 Definitions).

Overall thermal transfer value means, as regards a building, the amount, expressed in watts per square meter (W/m2), of heat transferred through that building envelope and calculated having regard to factors such as the area of the building envelope, the material used in its construction. (Building Energy Efficiency Regulation – Part II Interpretation).

External wall means the whole, or any part, of an outer wall of a building and includes a wall adjoining a wall of another building but does not include a wall or part of a wall which is underground. (Building Energy Efficiency Regulation – Part II Interpretation).

Charge means any charge for water, any fee, the cost of repairs or other works carried out by the Water Authority under section 17, and any other charge, including a surcharge, which is payable under this Ordinance. (Building Energy Efficiency Regulation – Part II Interpretation).

Specified plumbing works means the construction, installation, maintenance, alteration, repair or removal of a fire service or inside service. (Building Energy Efficiency Regulation – Part III Fire Services and Inside Services).