How do you calculate the amount of heat lost? To calculate the amount of heat released in a chemical reaction, use the equation Q = mc ΔT, where Q is the heat energy transferred (in joules), m is the mass of the liquid being heated (in kilograms), c is the specific heat capacity of the […]
Can the COP of a refrigerator be greater than 1?
Can the COP of a refrigerator be greater than 1? COP of refriegeration is always greater than one. The coefficient of performance (COP) of refrigeration is always more than 1. COP is the ratio of heat extracted from the refrigerator to the work done on the refrigerant. It is also called by the name Theoretical […]
What is a screen scheme?
What is a screen scheme? A ‘screen scheme’ allows you to choose which screen will be shown to a Jira user when they perform a particular issue operation. There are three issue operations for which you can choose a screen: Create issue — the screen that is shown when an issue is being created. What […]
What is on the outside of a welding rod?
What is on the outside of a welding rod? Coatings. Most welding rods are manufactured with a protective outer coating. According to Welding Tips & Tricks, 6011 welding rods are manufactured with an outer coating made of high cellulose sodium, compared to low hydrogen iron powder for 7018 welding rods. What do you call the […]
Can polymers be natural and synthetic?
Can polymers be natural and synthetic? Examples of synthetic polymers include nylon, polyethylene, polyester, Teflon, and epoxy. Natural polymers occur in nature and can be extracted. Examples of naturally occurring polymers are silk, wool, DNA, cellulose and proteins. Is plastic a natural or an artificial polymer? Plastics are a group of materials, either synthetic or […]
Does TCP cause cancer?
Does TCP cause cancer? Effects of exposure Humans can be exposed to TCP by inhaling its fumes or through skin contact and ingestion. TCP is recognized in California as a human carcinogen, and extensive animal studies have shown that it causes cancer. What is trichloropropane used for? It is a colorless, heavy liquid with a […]
What is the formula for calculating the minimum number of teeth on the wheel?
Why testing can only detect the presence of errors NOT their absence?
Why testing can only detect the presence of errors NOT their absence? 1 Answer. Testing can detect only the presence of errors, not their absence because the main goal of the testing is: to observe the behavior of the particular software and to check whether it meet its requirement expectation or not. Testing is a […]
What is the best design for a CO2 dragster?
What is the best design for a CO2 dragster? Sphere – A very good aerodynamic shape because of it symmetrical shape. Which allows air to flow over it’s surface with very little disruption to the air stream. A combination of basic shapes will yield the best results. What makes a CO2 car fast? Aerodynamics, thrust-to-weight […]
What kind of metal are metal roofs made of?
What kind of metal are metal roofs made of? Five of the most common materials used in metal roofing are Galvalume®, aluminum, zinc, copper, and stainless steel. Are metal roofs aluminum or steel? Commercial and residential metal roofing is primarily made of steel or aluminum. There are two types of metallic coatings used: galvanized, which […]