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Management and Systems Glossary

- C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z Replaced Item - An item in a mass uptate to bill of materials that is removed from the bills of materials. Return - An item or merchandise returned by a...

Mechanical Glossary

J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z Acceleration - The rate of change of velocity. Whenever a mass experiences a force, an acceleration is acting. Angular Velocity - The speed that an object moves through an angle, θ. The...

Science Glossary

waterways and more. This can include automotive technology, construction methods, ecconomics of design, land developement, mass transit systems, planning, probability, safety analysis, traffic flow. U V A - B - C - D - E - F - G - H - I - J - K - L - M...

Project Management Glossary

Reimbursement - Method by which a contractor will be paid for the work they have undertaken. Replaced Item - An item in a mass uptate to bill of materials that is removed from the bills of materials. Reserve - The planned allotment of time and cost or...

Geotechnical Glossary

- D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z Absorbed Water - Water in a soil mass. Active Fault - Is likely to have another earthquake sometime in the future. Aftershock - Earthquakes that follow the...

Manufacturing Glossary

overpaid. Refurbish - Clean, refine, reconditioned, renovated parts to make the parts usable. Replaced Item - An item in a mass uptate to bill of materials that is removed from the bills of materials. Retention Ratio - Measures the amount of earnings...

Fan and Blower Glossary

is approximately 101.3 kilopascals (kPa) or 1 atmosphere (atm). The pressure decreases with increasing altitude because the mass of the atmosphere above decreases. At high altitudes, atmospheric pressure is lower than at sea level. B A - B - C - D - E -...

Furnace Glossary

- Z Sintering Furnace - Sintering is a heat treatment process designed to transform loose, fragmented material into a solid mass. The amount of heat provided during sintering varies in accordance with the type of material, but it is always slightly...

Hydraulic Glossary

time. Viscosity - The measure of the internal friction/resistance to the flow of a liquid. Volume - The space occupied by a mass. W A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z Work - Action done...

Buoyancy Force

of the differences in pressure that exist at different depths within the fluid due to the gravitational pull on the fluid's mass. The concept of buoyant force is used in fluid mechanics and plays a significant role in explaining why objects either float...

Fossil Fuel

Fossil Fuel Advantages and Disadvantages AdvantagesDisadvantages Fossil fuels contain a large amount of energy per unit of mass, making them highly efficient for generating power and heat. Fossil fuels provide a consistent and reliable source of...

Average Temperature of a Gas Column

of the gas at different heights in the column and calculating a weighted or simple average, depending on the distribution of mass and temperature across the column. If the temperature is uniform throughout the column, the average temperature is simply...

Compressor Installation

a concrete foundation. Anchor the compressor securely to the foundation to prevent vibrations and movement and acts as a mass dampener. The cement foundation is usually very large and very well reinforced. Alignment - If alignment this is done hap...

Penman Equation

for determining water loss from a reference surface, like crops, using climatic data. The method combines energy balance and mass transfer principles to calculate evapotranspiration.

Penman-Monteith Equation

which is the process of water moving from the soil through plants and into the atmosphere. It combines both the energy and mass transfer approaches, providing a comprehensive way to calculate how much water is lost from soil, plants, and water bodies...

Work Done by Expansion Tube Refrigerator

by Expansion Tube Refrigerator \(btu\) - \( \eta \) (Greek symbol eta) = Efficiency \(dimensionless\) - \( \dot m_f \) = Mass Flow Rate \(lbm\;/\;ft\) - \( H_o \) = Outlet Enthalpy \(btu\;/\;lbf\) - \( H_i \) = Inlet Enthalpy \(btu\;/\;lbf\) - Work done...

Peak Discharge from Drainage Basin Runoff

Peak Discharge from Drainage Basin Runoff Formula \( Q \;=\; c \cdot i \cdot A \) Symbol English Metric \( Q \) = Vapor Mass Velocity of Tray Type Tower \(cfm\) - \( c \) = Rational Method Runoff Coefficient \(dimensionless\) - \( i \) = Rainfall...

Reaction Force

} \) \( cos(x) \;=\; \dfrac{ F }{ m \cdot g } \) Symbol English Metric \( F \) = Reaction Force \(lbm\) \(kg\) \( m \) = Mass \(lbm\) \(kg\) \( g \) = Gravitational Acceleration \(ft\;/\;sec^2\) \(m\;/\;s^2\) \( x \) = Angle Between the Ground and the...

Flywheel Torque

}{ \alpha }\) Symbol English Metric \( \tau_f \) (Greek symbol tau) = Flywheel Torque \(lbf-ft\) \(N-m\) \( m \) = Flywheel Mass \(lbm\) \(kg\) \( r \) = Flywheel Radius \(in\) \(mm\) \( \alpha \) (Greek symbol alpha) = Angular Acceleration \(deg \;/\;...

Impact Energy

\( v \;=\; \sqrt{ \dfrac{ 2 \cdot E_i }{ m } } \) Symbol English Metric \( E_i \) = Impact Energy \(lbf-ft\) \(J\) \( m \) = Mass \(lbm\) \(kg\) \( v \) = Velocity \(ft\;/\;sec\) \(m\;/\;s\) Impact energy is the amount of energy required to fracture or...