Miscellaneous

Miscellaneous engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more

Air Pressure and Altitude above Sea Level

Elevation above sea level - in feet and meter - with barometric and atmospheric pressure - in inches mercury, psia, kg/cm² and kPa

Air Temperature and Altitude

Altitude and air temperature and air density

Assembly of Shrink-Fits

Heating temperature of shrink-fits

Beaufort Wind Scale

Beauforts description and observation of wind and wind velocity

CE Marking

Before products are sold within the European - EU - market, they have to be "CE-marked"

Clothing - Comparing US, UK and European Sizes

Comparing European, UK and US clothing, shoes, shirts and sweaters sizes

Constants of π

π constants

Constants of e

e constants

Contract Types

Common engineering and construction contracts

Cooking Volume Converter - US and Metric Units

Convert common cooking liquid and dry measure volumes to US and metric values

Cooking Volume Liquid Converter

Convert between liquid volumes commonly used for cooking

Decibel

Decibel is a logarithmic unit used to describe the ratio of the signal level - power, sound pressure, voltage, intensity, etc.

Drawings - Sheet Layouts

Standard layouts of drawing sheets

Drawings - Standard Metric Sizes

Standard metric sizes of drawing sheets

Driving Distances between European Cities

Driving distances between some major European cities

Dust Explosions and Critical Temperatures

Critical temperatures and concentration parameters for some common substances as coal, zinc, uranium and more

Effects of Low-Frequency Vibration on Buildings

Effects of low-frequency vibration on building constructions

Electrical Equipment and Power Consumption

Power consumption and running time for commonly used electrical equipment

Electrode Potential and Galvanic Corrosion

An introduction to the electrochemical series and corrosion of metals

Firestop Rating

F-rating, T-rating and L-rating of firestopping systems

Friction and Friction Coefficients of some Common Materials

Friction theory and friction coefficients for some common materials and materials combinations

Fruits and Vegetables - Optimal Storage Conditions

Optimal temperature and humidity conditions for some common fruits and vegetables

Fuel Consumption Converter

Convert between fuel consumption units - US MPG, Imperial MPG, l/nm, l/100 km and km/litre

Gauge and Weight Chart

Gauge and weight chart for sheet steel, galvanized steel, stainless steel, aluminum and strip & tubing

Hazardous Areas Classification - Europe

European hazardous areas classifications in zones, protection types, temperature codes and codes

Hazardous Areas Classification - North America

North American hazardous locations classification in classes, divisions and groups

Inches and Decimal Equivalents

Decimal equivalents of eights, sixteenths, thirty-seconds and sixty-fourths of an inch

International Standard Atmosphere

International standard atmosphere - ranging -2000 to 30000 m - pressure, temperature, density, viscosity, thermal conductivity, velocity of sound and mean free path

Length Units Converter

Convert between units as meters, feet, inches, yards, kilometers and miles

Machine Processing and Tolerance Grades

Relation of machine processes to tolerance grades

Numerical Constants

Some numerical constants

Online Mortgage Payment Calculator

Calculate mortgage payment with Annual Interest Rate, Number of Years and Amount Borrowed

Paper Drafting Sizes - ANSI/ASME Y14.1

US engineering drawing series based on ANSI/ASME Y14.1 Decimal inch drawing sheet size and format

Paper Drafting Sizes - Comparing ISO Drawing Sheets with USA Drawing Sheets

ISO drawing sheets compared with U.S. and Canadian drawing sheets

Paper Drafting Sizes - ISO 216 series A, B and C

The ISO 216 A, B and C drawing series - dimensions of regular, oversized and envelope sheets

Paper Drafting Sizes - US Architectural Drawings

Commonly used US architectural drawing sizes

Paper Sizes - widely used in U.S. Offices

Office paper sizes as Letter, Legal, Tabloid and more

pH Definition

An introduction to pH

Poissons ratio

When a material is stretched in one direction it tends to get thinner in the other two directions

Roman Numerals

Roman numerals are combinations of seven letters

Safety Signals and recommended Colors

The American National Standards Institutes schedule of safety colors for marking physical hazards

Scale of Things

Scale of things in a broader perspective

Speed and Velocity Converter

Convert between speed and velocity units as m/s, km/h, knot. mph and ft/s

Sprinkler Protection Area

Maximum fire sprinkler protection area

Standard Gauges

Standard gauges - American, Birmingham, Washburn, Music, Stubs ..

Stress in Bolts

Calculating the stressed area in UN and UNR bolts

Surface Roughness and Mechanical Processes

Different mechanical production methods and surface roughness

The Greek Alphabet

The Greek alphabet is essential when expressing formulas and technical language

Threads - Metric ISO 724

M Thread (metric ISO 724 thread) Standard in Europe

Volume of Cylinder Tanks

Volume of cylindrical tanks in gallons per foot of depth

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