How does physical inactivity contribute to heart disease? How does physical inactivity increase the risk of heart and circulatory diseases? Being inactive can lead to fatty material building up in your arteries (the blood vessels that carry blood to your organs). If the arteries that carry blood to your heart get damaged and clogged, it […]
What is the probability that two people in a group will have the same birthday in a non leap year?
What happens after ultimate tensile strength?
What happens after ultimate tensile strength? However, once the tensile strength is exceeded, the test specimen begins to thin down, or neck, at some location along the length. All of the rest of the deformation to failure occurs at this point as the stress is concentrated in this area of reduced cross section. Why does […]
How do you calculate bearings to choose?
How do you calculate bearings to choose? Bearing Rating Life Calculation C = Dynamic Capacity (dN or Lbs) P = Equivalent Bearing Load (N or Lbs) N = Rotating speed in RPM. e = 3.0 for ball bearings, 10/3 for roller bearings. What bearing type will not accept radial loads? Ball Thrust Bearing Ball thrust […]
What are the shoes with toes?
What are the shoes with toes? Toe shoe may refer to: Pointe shoe, used by ballet dancers when dancing on the tips of toes. Vibram FiveFingers, a type of shoe with individual toe pockets. Minimalist shoe, a shoe designed to mimic barefoot conditions, some of which feature individual toe pockets. Peep-toe shoe, a shoe with […]
What amount of chlorine tablets are required for disinfection of 20 liters of water?
What amount of chlorine tablets are required for disinfection of 20 liters of water? Tablet Size: 0.5gm or 500mg (+ – 0.025 gm.) Strength: Available Chlorine: 25 to 45 mg. Treats: 20 liters water (approx.) Treats: 80 liters water (approx.) How much chlorine do I add to 1000 Litres? To dose water in a tank […]
Why did we stop using steam engines?
Why did we stop using steam engines? According to the designers, diesel engines could run faster and work longer than steam locomotives. They used a vast amount of energy to build up steam pressure, which had to be discarded whenever the locomotive stopped or shut down. In every week of operation, a locomotive consumed its […]
How do you calculate water cement ratio and cement content for a design concrete mix?
What are the 3 extensive properties?
What are the 3 extensive properties? Extensive Properties Volume. Mass. Size. Weight. Length. Which of the following is an extensive property of matter? Some examples of intensive properties are color, taste, and melting point. Extensive properties vary according to the amount of matter present. Examples of extensive properties include mass, volume, and length. 1. Is […]
What are the advantages of closed loop system?
What are the advantages of closed loop system? Closed loop control systems are more accurate even in the presence of non-linearities. The sensitivity of the system may be made small to make the system more stable. The closed loop systems are less affected by noise. What is an example of a closed loop system? Two […]