How do you size a disconnect? How to Calculate the Electrical Disconnect Switch Size Examine the appliance manufacturer nameplate on the appliance. Determine the horsepower rating of the appliance. Convert from volt-amps, watts or kilowatts to horsepower. Divide watts or volt-amps by 745.7 to obtain horsepower. Select a disconnect switch with the same or greater […]
Which fuel produces the most energy per gram?
What happens if you breathe in volcanic ash?
What happens if you breathe in volcanic ash? Inhalation of volcanic ash can be very detrimental to human health, due to the harmful aerosols and poisonous gases the ash is made up of. Health effects inlcude respiratory problems, eye problems, and skin irritiation. One long-term effect of volcanic ash is silicosis. How dangerous is ash […]
Which layer is closest to space?
Which layer is closest to space? Layers of Earth’s Atmosphere exosphere—contains few particles that move into and from space. exobase—the lower boundary of the exosphere. thermosphere—temperature increases with height. The International Space Station orbits Earth in this layer. mesopause—the boundary between the mesosphere and the thermosphere; the coldest place on Earth. What layer are satellites? […]
What are the limitations of capture-recapture?
What are the limitations of capture-recapture? Mark / Recapture Techniques These techniques have a number of limitations: The animal usually needs to be captured to be marked, which may injure it, or alter its behaviour pattern. The mark used may harm the animal – for example a dot of a particular paint may turn out […]
How do you find acceleration without time?
How do you find acceleration without time? If the acceleration is constant, it is possible to find acceleration without time if we have the initial and final velocity of the object as well as the amount of displacement. The formula v2=u2+2as where v is the final velocity, u is the initial velocity, a is the […]
Does copper contain electricity?
Does copper contain electricity? Copper has the best electrical conductivity of any metal, except silver. A good electrical conductivity is the same as a small electrical resistance….Good Electrical Conductivity. Device Use Dynamos Bicycles, power stations Is copper negative or positive? Know that the copper wire is usually positive on a speaker wire. On a standard […]
What is the blue wire in a light fixture?
Are greenhouse gases good or bad?
Are greenhouse gases good or bad? The greenhouse effect is a good thing. It warms the planet to its comfortable average of 59 degrees Fahrenheit (15 degrees Celsius) and keeps life on earth, well, livable. Without it the world would be a frozen, uninhabitable place, more like Mars. Why is greenhouse gas bad? Greenhouse gases […]
What are the 3 real primary colors?
What are the 3 real primary colors? Color Basics Three Primary Colors (Ps): Red, Yellow, Blue. Three Secondary Colors (S’): Orange, Green, Violet. Six Tertiary Colors (Ts): Red-Orange, Yellow-Orange, Yellow-Green, Blue-Green, Blue-Violet, Red-Violet, which are formed by mixing a primary with a secondary. Does Google have a new logo? Google is replacing its iconic Gmail […]