Which is better heat pump or electric furnace? Heat pumps have a cheaper monthly heating cost than electric furnaces. Heat pumps transfer heat from outdoor air, so they use less energy (up to 50% less electricity) than electric furnaces, which heat air directly. However, electric furnaces are better than heat pumps in one way… What […]
Is Controlled burning good?
Is Controlled burning good? A controlled burn is a wildfire that people set intentionally for a specific purpose. Well-thought out and well-managed controlled burns can be incredibly beneficial for forest management—in part because they can help stop an out-of-control wildfire. What is controlled burning method? Controlled burning, also known as prescribed burning, involves setting planned […]
How does the population affect water availability?
How does the population affect water availability? The rise in population leads to higher demand for water for domestic, industrial, agricultural and municipal needs and also evacuation for waste materials. The most water scarce areas are typically those with few water resources, high population, and even higher population growth rates. What are the main sources […]
Under what condition concave lens form a real image?
Under what condition concave lens form a real image? Real images can be produced by concave mirrors and converging lenses, only if the object is placed further away from the mirror/lens than the focal point, and this real image is inverted. What does a concave lens do to an image? A lens refracts light and […]
What does 4 mean in the formula 4na2so3?
What does 4 mean in the formula 4na2so3? Answer: The ‘4’ in front of sodium sulfate formula indicates that there are four molecules of sodium sulfate. What does the 4 mean in the formula 4na2so3 there are four atoms of sodium there are four atoms of sodium sulfite There are four molecules of sodium sulfite […]
Is driving long distance bad for the car?
Is driving long distance bad for the car? Depreciation Costs: A long road trip can inflict costly damage on your car, even if you don’t notice it right away. Every mile results in a certain amount of wear and tear to the engine, the tires and other moving parts. ItStillRuns offers an easy way to […]
Is a cookie sheet an insulator?
Is a cookie sheet an insulator? It stops the flow of energy from moving through the material. Many objects that are meant for holding hot objects (soup containers, handles of pots and pans) are made out of heat insulators so that the heat will not transfer through the area it touches. For example, Ted is […]
How do I know if my carburetor is rich or lean?
How do I know if my carburetor is rich or lean? Typical symptoms of a rich mixture are: Poor fuel economy. Sluggish acceleration. Choke not needed from cold starts. Sooty or black spark plugs. Sooty or black muffler end pipes. Strong smell of gasoline when the machine is at idle. Uneven running (will often slow […]