How long is a freight train allowed to be? According to data that two Class I railroads provided to us, their average train length increased over the 10-year period of 2008 through 2017 by about 1,500 feet for one railroad (from about 6,000 to 7,500 feet, or up to about 1.4 miles) and about 1,200 […]
Do inductors go bad?
Do inductors go bad? Inductor Failures Inductors often fail open due to corrosion or bad internal solder joints or the inductors fail shorted due to electrical overstress, bad magnet wire insulation, or potting issues. Some images of common inductor failures are shown below. How do you know if an inductor is bad? The inductor should […]
Can dog whistles damage human ears?
Can dog whistles damage human ears? Some sounds (such as gunfire or standing next to a helicopter) are so loud (120-160 dB), that any brief exposure to them without wearing earmuffs or earplugs can damage hearing. (This means that the dog whistles are at a very high frequency but that they do not move the […]
What are 5 precautions you can practice to be safe at home?
What are 5 precautions you can practice to be safe at home? Educate yourself with these safety tips about choking hazards, and take measures to keep your family safe. Inspect toys. Regularly inspect toys for any loose parts. Keep choking hazards out of reach. Be sure to keep small, hard foods like nuts or candies […]
What is CP CV called?
What is CP CV called? The Cp/Cv ratio is also called the heat capacity ratio. (i.e.) Heat Capacity ratio = Cp/Cv = Heat capacity at constant pressure/ Heat capacity at constant volume. How do you calculate CP in thermodynamics? cp = cv + R The specific heat constants for constant pressure and constant volume processes […]
What are the 5 phases of the moon?
What is called water runoff?
What is called water runoff? Runoff, in hydrology, quantity of water discharged in surface streams. Runoff also includes groundwater that is discharged into a stream; streamflow that is composed entirely of groundwater is termed base flow, or fair-weather runoff, and it occurs where a stream channel intersects the water table. How do you fix a […]
Is AlCl3 a Lewis acid or base?
Is 30 minutes of cardio a day enough to lose weight?
Is 30 minutes of cardio a day enough to lose weight? A new study shows 30 minutes of exercise a day works just as well as an hour in helping overweight adults lose weight. Can you burn fat without cardio? That’s right – you can cut without doing traditional cardio. There’s no denying that sprints […]
What is a balanced force in basketball?
What is a balanced force in basketball? One balanced force in basketball is standing and shooting a freethrow,because you aren’t moving and no outside force is acting on you. But, an unbalanced force is running down the court and jump-stopping, because your momentum is trying to keep moving forward, but you are trying to stop. […]