Glossary

Carbon element, the principal combustible constituent of all fuels.

Your responsibility is limited to the payment of the fees and transport relating to the conveyance of goods at the indicated destination place. The foreign purchaser assumes the risks of goods loss or damages starting from its loading at the departure seaport.

The salesman is the owner of the goods until they are loaded on the boat. The selling price includes all the expenses up to this point plus the amount of freight. On his side, the purchaser must subscribe the insurance as insurance is not the responsibility of the seller.

A Federal law that addresses control of airborne pollutants, administered by the U.S. EPA.

Computer Aided Design.

A hard coating or layer of materials on surfaces of boiler pressure parts.

The mean calorie is 1/100 of the heat required to raise the temperature of 1 gram of water from Zero C to 100°C at a constant atmospheric pressure. It is about equal to the quantity of heat required to raise one gram of water 1°C. Another definition is: A calorie is 3600/860 joules.

Computer Aided Manufacturing.

The agency that sets safety standards for motors and other electric equipment used in Canada.

A one- or two-sided overhead hood that receives rising hot air or gas.

As the measure of electrical storage potential of a capacitor, the unit of capacitance is the farad, but typical values are expressed in microfarads (MFD).

A device that stores electrical energy. Used on single phase motors.

Provides high starting and break-down torque, medium starting current. Used on hard starting applications such as compressors, positive displacement pumps, farm equipment, etc.

To economists, capital means the machinery, factories and inventory required to produce other products. To investors, capital means their cash plus the financial assets they have invested in securities, their home and other fixed assets.

Profit or loss resulting from the sale of certain assets classified under the federal income tax legislation as capital assets. This includes stocks and other investments such as investment property.

The principal combustible constituent of all fuels.

Common indoor pollutant and minor constituent of the atmosphere.
Detector: Non-dispersive infrared analyser, also acoustic analyser.
Advantages: Non-toxic at levels used in tests.
Detectable in low ppm concentrations.
TLV = 2% by volume.
Disadvantages. High background concentration, spurious sources, (400-600 ppm) probable sinks (soluble in water).

Detector: Non dispersive infra-red analyser, also acoustic analyser.
Advantages: Similar molecular weight to air.
Disadvantages: Toxic, flammable, low background concentrations allowed.
TLV = 400 ppm approx.

Any goods or products which can be carried on a ship, by taking into account the loading of goods. However, this does not include the equipment or the means of storage used on board.

Customs document allowing its holder to transport or to temporarily dispatch the goods to specific foreign countries (for exhibitions, demonstrations or any similar goal) without payment of customs duties.

In 1936, the American statute which governs this act stipulates that the conveyor is responsible and must define the incoterms used for the transport. This law limits the shipowner's responsibility to 500 USD by parcel. Moreover, there is an one year time limit to take action against the conveyor. This law is applied to the international maritime transport, but it is not applied to the domestic maritime transport unless the conveyor has accepted to be governed by this law.

Usually, it refers to the maritime transport company but it can also refer to road transport, airway and railway transport.

The chemical solids and liquid entrained with the steam from a boiler.

A financial statement that shows when cash flows into and out of a business.

A covering of sheets of metal or other material such as fire resistant composition board used to enclose all or a portion of a steam generating unit.

To make a joint airtight by driving in a flexible sealing material.

Process in which small bubbles are formed and implose violently. This results in aggressive cleaning action in ultrasonic cleaners.

A measure of the relative conversion of carbon in a fuel to carbon dioxide (CO2) and carbon monoxide (CO). Expressed in %, CE = 100 x CO2 (CO2 + CO). CE is not a measure of destruction of a fuel constituent.

Opening to the outside from a cellar permitting ventilation air to enter.

Also air entrained concrete, foam concrete, gas concrete.
(See aerated concrete).

A temperature scale in which the freezing point of water at standard atmospheric pressure is 0 degrees Celsius and the corresponding boiling point is 100 degrees Celsius. Zero degrees Celsius equals 273.16 degrees Kelvin.

A mechanical, indirect system of heating, ventilating, or air conditioning, in which the air is treated or handled by equipment located outside the rooms served, usually at a central location, and conveyed to and from the rooms by means of a fan and a system of distributing ducts.

A system for the space heating of a building from a single source of heat or energy using a permanent installation operating as an entity.

A power plant or steam heating plant that generates power or steam.

Consists of a fan rotor or wheel within a housing that discharges air at a right angle to the axis of the wheel and including driving mechanism supports for either belt drive or direct connection.

A fan rotor or wheel within a scroll type housing and including driving mechanism supports for either belt drive or direct connection.

A fan in which the air leaves the impeller in a direction substantially tangential to the periphery of the impeller.

A mechanism that disconnects the starting circuit (start winding) when the rotor reaches approximately 75% of operating speed (usually in 2 or 3 seconds).

Specific document required by some foreign countries for customs tariffs reasons, certifying the origin of the goods.

Document requested for the dispatch of perishable products and other goods. This certification also stipulates that these goods are priority consignment.

Document certified by the manufacturer or the salesman stipulating that the goods have been manufactured and are at the disposal of the purchaser.

Cubic foot per minute or cubic feet per minute.
Means to measure air flow. The higher the CFM figure, the more air the fan is moving.

Determination of the principal chemical constituents.

A method of measuring tracer gas concentrations for air infiltration measurements.

Any method employing chemical techniques.

Usually involves the absorption of a sample of gas into solution and subsequent tests for pH, colorimetric assay, etc., also gas chromatography.

A brick, metal or concrete stack.

Often used interchangeably with “stack effect”, strictly should refer to the pressure differences generated by a temperature difference across the walls of a chimney.

Anaesthetic gas which has been used as a tracer gas for air infiltration measurements.
TLV = 25 ppm for occupied spaces.
Detector: Acoustic analyser.

A room in which a high level of freedom from contamination is maintained.

Computer Numerical Control.

Carbon monoxide.

A chemical compound that results when combustion is incomplete, often monitored to ensure that a combustion unit is working properly.

Carbon dioxide.

One of the compounds that results from complete destruction of organic compounds.

A black, solid fossil fuel found in the Earth. Coal is often burned to make electricity.

Combustible liquids are those having a flash point at or above 100°F (37.8°C), or liquids that will burn. They do not ignite as easily as flammable liquids. However, combustible liquids can be ignited under certain circumstances, and must be handled with caution. Substances such as wood, paper, etc., are termed "Ordinary Combustibles."

The rapid chemical combination of oxygen with the combustible elements of a fuel resulting in the release of heat.

A chemical process in which organic (and some inorganic) compounds react with oxygen at elevated temperatures.

Air used in the combustion process. Air contains oxygen which is required to combust fuel.

That amount of air containing oxygen needed to support combustion of a given fuel or waste, usually supplied in excess.

The effectiveness of the burner to completely burn the fuel. A well designed burner will operate with as little as 10 to 20% excess air, while converting all combustibles in the fuel to useful energy.

A boiler, industrial furnace, or incinerator.

An incinerator owned and operated by a waste management firm in which wastes may be burned for a fee.

Statement of transaction between the vendor and the purchaser issued by the vendor and describing the following information: goods, price and costs, the term of the sale….

Provided by the exporter, the invoice sums up the business transaction. It contains the details on the goods, the quantities, the characteristics, the prices and the conditions of delivery and payment as well as the addresses of all the concerned parties.

Accounting document by which the vendor requires the payment by the purchaser in exchange of the goods value and/or the delivered services. It is prepared by the vendor and it gives a description of the goods, its price, etc. The commercial invoices are often used by the government in order to determine the real value of the goods, to fix the amount of the applicable customs taxes, and to prepare consular documentation. In this case, the government of the importing country specifies the form, the contents, the number of copies, the language used and the other characteristics to be mentioned in the invoice.

The part of a DC motor armature that causes the electrical current to be switched to various armature windings. Properly sequenced switching creates the motor torque. The commutator also provides the means to transmit the electrical current to the moving armature through the brushes that ride on the commutator.

The complete oxidation of all the combustible constituents of a fuel.

A platform made of concrete that provides a solid stable support for large equipment. Concrete foundations or pads are laid for all large equipment, support structures, and control buildings in a substation.

Liquid water deposited from the vapour.

The precipitation of liquid from its vapour resulting from the lowering of temperature at constant pressure: especially the deposition of water from warm, moist air onto a relatively cold surface.

(1) A material property relating heat flux (heat transferred per unit area per unit time) to a temperature difference. In American units, it is typically defined as the amount of heat (Btu) transmitted in one hour through one square foot of material 1 inch thick, with a temperature difference of 1°F between the two surfaces of the material.
(2) The property of a water sample to transmit electric current under a set of standard conditions. Usually expressed as microhms conductance

Party which receives the goods, generally the purchaser.

A method of measuring ventilation rate whereby an automated system injects tracer gas at the rate required to maintain the concentration of tracer gas at a fixed, predetermined level. The ventilation rate is proportional to the rate at which the tracer gas must be injected.

A component of a mixture.

Waybill, certificate of origin or special invoice being officially signed by the Consul of the country of destination.

Detailed inventory of the dispatched goods and certified by the consul of the dispatch location. Some foreign governments which control the imports may require that the exporter gets consular invoices from their consulates located in the country. The foreign consulate will issue the document which describes the goods according the payment of some specific rights.

Document required by some countries, which gives information on goods dispatching (for example: consigner, consignee, goods dispatching value etc…). It must necessarily be certified by an official consular authority from the exporting country, and is then used by the local official customs authorities for the checking of the value, the quantity and the nature of the dispatched goods.

Elements used to mechanically make or break an electric circuit.

Maritime system based on a loading system of 18 feet length container which can be easily transhipped on trucks, trains, vessels without discharging the contents of it.

An unwanted airborne constituent that may reduce acceptability of the air.

A device able to operate continuously with no off or rest periods.

A device that continuously samples and analyses stack gases. Currently used to monitor carbon monoxide (CO), hydrocarbons (HC), and Oxygen (O2) emissions from hazardous waste combustors.

Any manual or automatic device for the regulation of a machine to keep it at normal operation. If automatic, the device is motivated by variations in temperature, pressure, water level, time, light, or other influences.

A diagram that shows the control scheme only. Power wiring is not shown. The control items are shown between two vertical lines; hence, the name-ladder diagram.

A valve used to control the flow of air, gas, water, steam or other substance.

A device which senses temperature and adjusts a damper or valve accordingly.

The transmission of heat by the circulation of a liquid or gas. It may be natural, with the circulation caused by buoyancy effects due to temperature differences, or forced with circulation caused by a mechanical device such as a fan or pump.

Transfer of heat by natural movement of fluid or air.

Transmission of energy or mass in a medium by movement of the medium itself.

The transfer of heat from one point toe another by the mixing of one portion of the fluid with another. Also: as above but for the case of the motion being driven by buoyancy forces.

An arrangement of pipe or tubing which transfers heat from air to a refrigerant or brine.

The wasting away of metal due to chemical action. In a boiler, usually caused by the presence of O2, CO2, or an acid.

COGS is calculated by adding all of the expenses a business incurs as a result of producing its product or service. In a manufacturing business, cost of goods sold includes labour; in a retail or service business, labour is not part of COGS, but is an operating expense.

A mini-certificate actually attached to a bond certificate which represents an actual interest payment. The coupon becomes negotiable on the date the interest is due and usually represents the six month interest payment on the face value of the bond certificate. The term "coupon" is sometimes used as a slang reference to the interest rate paid on a debt instrument.

Central Processing Unit.

The total length of gaps around doors and windows etc. through which ventilating air passes.

Gaps around doors and windows etc. through which ventilating air passes.

Under the Clean Air Act, a series of pollutants subject to specific criteria, and which include NOx, SO2, lead and CO.

Canadian Standards Association.

Controls and Safety Devices.

Cubic centimetre, a volumetric measurement that is also equal to one millilitre (ml).

A measure of volume in the metric system.

A device for measuring wind speed comprising a number of cups attached around a spindle to which an indicator is fitted. Widely used in meteorological studies.

A measure of the rate at which a radioactive material decays. The radioactivity of one gram of radium is a curie. It is named for Pierre and Marie Curie, pioneers in radioactivity and discoverers of the elements radium, radon, and polonium. One curie corresponds to 37 billion disintegrations per second.

Cash, accounts receivable, inventory, all term deposits and prepaid expenses or any other asset which will be converted to cash within one year.

These include all operating loans, accounts payable and accrued charges including outstanding cheques, wages, long-term debt payments and taxes that are due within a year.

This ratio tells you of how easily your business can meet its debts. To calculate the Current Ratio for your business, simply divide your current assets by your current liabilities (the higher the ratio, the better for your business!).

An exterior wall which does not carry a load such as a window wall.

Recognized by the American Customs, they can clear the shipments on behalf of their customers and they can also convey the bonded goods on to the port of destination.

Facilitate the customs clearance of goods in the importing country by certifying the goods value.

Respectively, the minimum and maximum discharge pressures at which the fan will switch from unload to load operation (cut in) or from load to unload (cut out).

A Federal law that addresses control of waterborne pollutants, administered by the U.S. EPA.

In acoustics, the cycle is the complete oscillation of pressure above and below the atmospheric static pressure.

The number of oscillations that occur in the time frame of one second. (See Frequency). Low frequency sounds have fewer and longer oscillations.

A dust-collecting device which has the ability to separate particles by size. Typically used to collect respirable dust samples.