Engineering Topics

Overview

Engineering reference data for Engineering Topics in miscellaneous.

Key Formulas

Unit Conversion

$y = x \cdot k$

Multiply by conversion factor.

Linear Interpolation

$y = y_1 + \frac{(x - x_1)(y_2 - y_1)}{x_2 - x_1}$

Estimate between two known points.

Percentage

$p = \frac{\text{part}}{\text{whole}} \times 100\%$

Part as fraction of whole.

Variables

Engineering Topics Index

A comprehensive index of miscellaneous engineering topics, standards, calculators, and reference data.

Measurement & Conversion Tools

• Area Survey App: Online app that can be used to make an exact plot of a surveyed area - like a room, a property or any 2D shape.
• Board Feet Chart and Calculator: Board feet is used as a volume measurement of lumber.
• Car Fuel Consumption Calculator: Calculate fuel consumption in liter per 100 km - includes consumption chart and calculator.
• Concentration Units Converter: Calculator and formulas for conversion between different units of concentration: Molarity, molality, mole fraction, weight percent of solute and grams of solute per liter of solution.
• Cooking Units Volume Converter: Convert between cooking liquid and dry measuring US and metric volume units.
• Cooking Volumes - U.S. Unit Converter: Convert between US cooking volume units.
• Builder's to Surveyor's Measurements: Convert builder's measurements to surveyor's measurements.

Environmental & Emission Calculators

• CO2 Calculator - Emissions from Trains: Calculator for CO2 emissions from trains, comparing with alternative forms of transportation (plane, bus, conventional and electrical cars).
• CO2 Calculator - Emissions from Airplanes: Calculator for CO2 emissions from planes, comparing with alternative forms of transportation (train, bus, conventional and electrical cars).
• CO2 Calculator - Emissions from Cars: Calculator for CO2 emissions from different kind of cars (gasoline, diesel, LPG, electrical), comparing with alternative forms of transportation (airplane, bus and train).

Pressure, Altitude & Atmospheric Properties

• Acceleration of Gravity vs. Latitude and Elevation: Acceleration of gravity due to latitude and elevation above sea level.
• Air Temperature, Pressure and Density vs. Altitude: Elevation above sea level and air temperature, pressure and density.
• Atmospheric Pressure vs. Elevation above Sea Level: Elevation above sea level - in feet and meter - with barometric and atmospheric pressure - inches mercury, psia, kg/cm2 and kPa.
• Barometer - Altitude Compensation: Elevation compensating manometer.
• Barometric Pressure Conversions: Convert between barometric pressure inches Hg, psi and psf.

Standards, Regulations & Drawing Conventions

• ANSI/ASME Y14.1 - U.S. Standard Engineering Drawing Sizes: US engineering drawing sizes based on ANSI/ASME Y14.1.
• Beaufort's Wind Scale: The Beaufort description and observation scale for wind and wind speed.
• Blueprint Letters: Letters commonly used to differentiate blueprint drawings.
• Building Tolerances: Typical tolerances for floors, walls, columns and more.
• CE Marking: Verifies that a product is designed to the appropriate standards according the European Machine Directive.
• Contract Types: Commonly used engineering and construction contracts.

Material Properties & Specifications

• Angles of Repose: Tipping or dumping angles for common materials like ashes, sand, earth, shingles and more.
• Animals - Laboratory Environments: Temperature and humidity environments for laboratory animals.
• Antifreeze - Ethylene Glycol Volume vs. Temperature Rating: Freeze protecting of cooling systems - temperature rating vs. required amount of antifreeze.
• Apothecaries' Weight System: Apothecaries' fluid and weight system with ounces, drachms, grains, scruples and more.
• Bricks - Quantity and Mortar Consumption: Estimate required quantities of bricks and mortar.
• Chemicals - Formulas and Trading Names: Formulas and trading names for some common chemicals.
• Clothing Sizes - US vs. UK and Europe: Comparing European, UK, US sizing in clothing, shoes, shirts and sweaters.
• Color Mixing Theory: Subtractive and additive color mixing.
• Consanguinity: Relationship between persons descending from the same ancestor.
• Constants of π: The mathematical π constants.
• Constants of e: The mathematical e constants.
• Conveyors - Belt Speed: Maximum conveyor belt speed.
• Conveyors - Capacities: Calculate conveyor capacities.
• Conveyors - Load & Power Consumption: Conveyor required power consumption vs. load.
• Conveyors - Maximum Inclination vs. Product: Maximum conveyor inclination slopes for typical products.
• Crude Oil Properties: An overview of common test methods (ASTM and others) and typical ranges of variation.

Concrete & Structural Calculations

• Concrete - Calculating Cubic Volume: Calculating the concrete volume required for an operation.
• Concrete - Water to Cement Ratios: Water vs. cement ratio when mixing concrete.
• Concrete Columns: Estimate concrete volume required for concrete columns.
• Concrete Footing: Estimating concrete continuous footing.
• Concrete Footings - Volume: Estimate required concrete footing volume.
• Concrete Slabs - Load Capacities: Load capacity of simply supported concrete slabs.
• Concrete Slabs - Required Thickness: Required thickness of concrete slabs.
• Concrete Slabs - Volume Estimates: Estimate required concrete volume per sq. ft.
• Concrete Walls - Volume: Estimate concrete wall volume.
• Building Foundations - Loads: Typical loads on building foundations.

References

• Original Source