Miscellaneous
Miscellaneous engineering related topics like Beaufort Wind Scale, CE-marking, drawing standards and more
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Air Pressure and Altitude above Sea Level
Elevation above sea level - in feet and meter - with barometric and atmospheric pressure - inches mercury, psia, kg/cm2 and kPa
Air Temperature and Altitude
Altitude and air temperature and air density
Antifreeze
Cooling systems capacities and antifreeze required
Apothecaries' Fluid and Weight Measure
Fluid and weight - ounce, drachms, grains, scruples ..
Assembly of Shrink-Fits
Heating temperature of shrink-fits
Beaufort Wind Scale
The Beaufort description and observation of wind and wind velocity
Board Foot Chart
Board Foot - a volume measurement of lumber
Brick - Mortar Consumption
Mortar required for common bricks
CE Marking
Before products are sold within the European - EU - market, they have to be
Clothing - Comparing US, UK and European Sizes
Comparing European, UK, US and others clothing, shoes, shirts and sweaters sizes
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Concrete - Calculating Cubic Volumes
Calculate concrete volume
Constants of Π (phi)
Π constants
Constants of e
e constants
Contract Types
Common engineering and construction contracts
Conveying Capacity
Determining conveyor capacities
Conveyor - Load & Power
Load and required power
Conveyor Slopes
Maximum conveyor slopes for various materials
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.
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Drawings - Sheet Layouts
Standard layouts of drawing sheets
Drawings - Standard Metric Sizes
Standard metric sizes of drawing sheets
Drill Bit Speed - Hardwood and Softwood
Hardwood and softwood drill speed chart
Driving Distances between European Cities
Driving distances between some major European cities
Dumping Angles
Tipping angles - common materials as ashes, sand, earth, shingles ...
Dust Explosions - Critical Temperatures and Concentrations
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
Elevation - Speed of Sound
Speed of sound, temperature and pressure at various elevations
Engine & Gear Oil - Temperature and Viscosity Limits
Oil viscosity vs. temperature
Fasteners - Types Chart
Wood Screws, Machine Screws, Sheet Metal Screws, Self Drilling SMS and more
Firestop Ratings
F-rating, T-rating and L-rating of firestopping systems
Friction and Coefficients of Friction
Friction theory and coefficients of friction 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
Converting between common 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
Greases - Temperature Limits
Grease is a combination of oil and thickener
Hardwood Lumber Dimensions
Hardwood dimensional lumber sizes
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 elevation -2000 to 30000 meters - pressure, temperature, density, viscosity, thermal conductivity and velocity of sound
Latitude and Acceleration of Gravity
Acceleration of gravity and degrees latitude
Latitude and Longitude Converter
Convert between Degrees, Minutes and Seconds and Decimal Units (or vice versa)
Lead Acid Batteries
Specific gravity and charge - temperature and efficiency
Length Units Converter
Convert between units like meters, feet, inches, yards, kilometers and miles
Liter per km
Distance traveled and fuel consumption - liter per km
Machine Processing and Tolerance Grades
Relation of machine processes to tolerance grades
Manila Rope - Strength
Manila rope 3-strand. minimum breaking strength and safe load
Mapping Scales - Lengths and Areas
Convert from mapping scales to length and areas
Metric Bolts - Head and Wrench Sizes
ANSI/SO, DIN and JIS
Metric Reinforcing Bar (re-bar)
Reinforcing bar - European metric dimensions
Miles Traveled per Gallon
Miles per gallon fuel chart
Numerical Constants
Some numerical constants
Nylon Rope - Strength
Nylon rope 3-strand and 8-strand. minimum breaking strength and safe load
Oils - Lubrication and Temperature Limits
Temperature limits lubricating oils
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 U.S. 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
Poissons ratio
When a material is stretched in one direction it tends to get thinner in the other two directions
Polyester Polyolefin Rope - Strength
Polyester Polyolefin dual fiber rope 3-strand - minimum breaking strength and safe load
Polyester Rope - Strength
Polyester rope 3-strand and 8-strand. minimum breaking strength and safe load
Polypropylene Fiber Rope - Strength
Polypropylene fiber rope 3-strand and 8 strand - minimum breaking strength and safe load
Roman Numerals
Roman numerals are combinations of seven letters
Roofing Materials - Weight
Weight calculator - roofing materials
Safety Signals - recommended Colors
American National Standards Institutes schedule of safety colors marking physical hazards
Sandpaper
Sandpaper - grit sizes
Scale of Objects
Scale of objects in a broader perspective
Shipping Measure
Vessel and cargo capacity
Sisal Rope - Strength
Sisal rope 3-strand, minimum breaking strength and safe load
Slope - Degree, Gradient and Grade Converter
Converting slopes between degrees, gradients and grades
Softwood Lumber Grading
Rough Lumber, Surfaced Lumber (dressed), Worked Lumber, Shop and Factory Lumber and Yard Lumber
Softwood Lumber Sizes
Commercial softwood lumber dimension chart - nominal and actual sizes
Soil and Rock Bulking Factors
Soil or rock expansion after mining
Speed and Velocity Converter
Converting between speed and velocity units - m/s, km/h, knots, mph and ft/s
Speed/Time Graph
Speed plotted against time
Sprinkler Protection Area
Maximum fire sprinkler protection area
Stairs Calculator
Calculate unit rise and run
Standard Gauges
Standard gages for wire and sheet - American, Birmingham, Washburn, Music, Stubs ..
Steel Plates - Size & Weight
Steel plates size & weight - thickness range 3/16 - 10 inches
Stockpile Volume
Volume in stockpiles - cubic feet, yard, meter and decimeter
Stress in Bolts
Calculating the stressed area in UN and UNR bolts
Surface Roughness and Mechanical Processes
Different mechanical production methods and surface roughness
Tempering Colors Steel
Tempering process of hardening steel
The Greek Alphabet
The Greek alphabet is essential when expressing formulas and technical language
Thickness of Concrete Slabs
Recommended thickness of concrete slabs
Threads - Metric ISO 724
M Thread (metric ISO 724 thread) Standard in Europe
Troy Weight
Weighing gold and silver
U.S. Imperial Reinforcing Bar (re-bar)
Reinforcing bar - U.S. imperial dimensions
US Bolts - Head and Wrench Sizes
Hex Bolt, Lag Bolt, Square Bolt and Heavy Hex Bolt
US Machine Screws
Machine Screw Diameters
US and Metric Fasteners - Thread Sizes
Printable fastener tools series
UTM to Latitude and Longitude Converter
Online UTM to Latitude Longitude converter
Vehicle Miles Traveled
Speed (miles per hour), time (hours) and distance traveled (miles)
Vehicle km Traveled
Speed (km per hour), time (hours) and distance traveled (km)
Volume of Cylinder Tanks
Volume of cylindrical tanks - gallons per foot of dept or length
Wire Rope - Strength
Wire rope 6-strand x 19 wire (6 x 19) - weight - minimum breaking strength and safe load
Wood Moisture and Compressive Strength
Red Spruce, Longleaf Pine and Douglas Fir - moisture content and compressive strength
Wood Screws
Shank diameters - pilot holes
Wood Screws - Holes
Pilot holes, shank clearance holes and countersink diameter - hard wood and soft wood
pH Definition
An introduction to pH
