What is the R value of 1 inch of air space? Insulation R-Value Material R value(ft^2 °F h/Btu Cellulose fiber(1 in. thick) 3.70 Flat glass (0.125 in thick) 0.89 Insulating glass(0.25 in space) 1.54 Air space (3.5 in. thick) 1.01 Does air space have an R-value? Air gaps have a thermal resistance to heat flow […]
How can we improve assembly process?
How can we improve assembly process? Here are five ways manufacturers can use collected data to improve their production process. Detect tightening inconsistencies. Understand operator performance over time. Prevent quality holds caused by improperly secured fasteners. Identify areas of waste to improve throughput. Support line re-balancing activities. What is the assembly process? An assembly line […]
What does elasticity greater than 1 mean?
What does elasticity greater than 1 mean? elastic demand What does a positive elasticity mean? A positive cross elasticity of demand means that the demand for good A will increase as the price of good B goes up. This means that goods A and B are good substitutes, so that if B gets more expensive, […]
Does electromagnetic field affect humans?
Does electromagnetic field affect humans? Electromagnetic fields, similar to those found in overhead power lines, can have a biological effect on human cells, an effect that could contribute to the complex cellular process that leads to cancer, research at Michigan State University shows. What are the side effects of EMF? Symptoms of EMF exposure sleep […]
What is the main cause of greenhouse gases?
What is the main cause of greenhouse gases? The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation. Greenhouse gas emissions from transportation primarily come from burning fossil fuel for our cars, trucks, ships, trains, and planes. What country has the […]
What are the similarities and differences of igneous sedimentary and metamorphic?
What are the similarities and differences of igneous sedimentary and metamorphic? Differences. Metamorphic Rock – Forms when pressure, temperature, or chemical processes change existing rock. Igneous Rock – forms when magma or lava cools and hardens to become solid. Sedimentary Rock – Form when minerals that form from solutions or sediment from older rocks get […]
Where should you not use a TENS unit?
How many people can a farmer support?
How many people can a farmer support? Fast forward through 80 years of agricultural and bioscience innovation, and in the 2010s, one farmer produces enough food to feed 155 people [sources: USDA, Sullivan]. Do hard workers live longer? Myth: Working too hard will put you in an early grave. Hard workers actually have a 20% […]
What is the meaning of non-zero number?
What is the meaning of non-zero number? A quantity which does not equal zero is said to be nonzero. A real nonzero number must be either positive or negative, and a complex nonzero number can have either real or imaginary part nonzero. What does a non-zero digit mean? A nonzero digit is a numerical digit […]
What is the perimeter formula?
What is the perimeter formula? Perimeter, Area, and Volume Table 1 . Perimeter Formulas Shape Formula Variables Square P=4s s is the length of the side of the square. Rectangle P=2L+2W L and W are the lengths of the rectangle’s sides (length and width). Triangle a+b+c a,b , and c are the side lengths. How […]