Avocados are high in fat. But it's monounsaturated fat, which is a good fat that helps lower bad cholesterol, as long as you eat them in moderation. Avocados have a lot of calories. The recommended serving size is smaller than youâd expect: 1/5 of a medium avocado (or 1 ounce) is 50 calories.
Why do transformers hum? Transformer noise is caused by a phenomenon which causes a piece of magnetic sheet steel to extend itself when magnetized. When the magnetization is taken away, it goes back to its original condition. This phenomenon is scientifically referred to as magnetostriction.
Belt noise: it is annoying and is usually a sign that something is not working properly under the hood of your vehicle. While the belt is often blamed for belt noise, the belt is rarely the actual cause. The No. 1 cause of belt noise is misalignment within the belt drive system. And there are two distinctively different types of belt noise, âChirpâ and âSquealâ. Each has its own unique characteristics, causes and solutions.