What are the effects of heat transfer? The basic effect of heat transfer is that the particles of one substance collide with the particles of another substance. The more energetic substance will typically lose internal energy (i.e. “cool down”) while the less energetic substance will gain internal energy (i.e. “heat up”). Can a window AC […]
What is the equation for SNR signal to noise ratio?
Who plays more fortnite or Apex?
Who plays more fortnite or Apex? Apex Legends simply cannot compete with that. The most recent landmark announced from EA came in October 2019, when it revealed that 70 million people had downloaded Apex. It only managed to secure more PS4 downloads than Fortnite in 2019 because so many people had already downloaded Fortnite before […]
What is a second order system?
What is a second order system? 3.6. 8 Second-Order System The second-order system is the lowest-order system capable of an oscillatory response to a step input. If both roots are real-valued, the second-order system behaves like a chain of two first-order systems, and the step response has two exponential components. What is the time constant […]
Can entropy be created or destroyed?
Can entropy be created or destroyed? Entropy is not a conserved quantity. It can be created. In every irreversible cyclic process it gets created. However, entropy cannot be destroyed. Is it true that matter can neither be created nor destroyed? The Law of Conservation of Mass The same amount of matter exists before and after […]
What is a major distinction between the filter theory and the late selection theory?
What is a major distinction between the filter theory and the late selection theory? What is a major distinction between the filter theory and the late-selection theory? Filter theory assumes a limited channel capacity, while late selection assumes that any capacity limits must come later in processing. When Stevens and Coupe presented congruent or incongruent […]
Does increasing compression ratio increase power?
Does increasing compression ratio increase power? This occurs because internal combustion engines are heat engines, and higher compression ratios permit the same combustion temperature to be reached with less fuel, while giving a longer expansion cycle, creating more mechanical power output and lowering the exhaust temperature. How does compression ratio affect power? The generally accepted […]
What is rake angle how it affects the formation of chips?
What is rake angle how it affects the formation of chips? Make the tool more sharp and pointed. This reduces the strength of the tool, as the small included angle in the tip may cause it to chip away. Reduce cutting forces and power requirements. Helps in the formation of continuous chips in ductile materials. […]
How does Reynolds number effect the flow of fluid?
How does Reynolds number effect the flow of fluid? laminar flow occurs at low Reynolds numbers, where viscous forces are dominant, and is characterized by smooth, constant fluid motion; turbulent flow occurs at high Reynolds numbers and is dominated by inertial forces, which tend to produce chaotic eddies, vortices and other flow instabilities. What does […]
What does it mean when we say that a lever operates at a mechanical disadvantage?
What does it mean when we say that a lever operates at a mechanical disadvantage? Regardless of type, all levers follow the same basic principle: effort farther than load from fulcrum = mechanical advantage; effort nearer than load to fulcrum = mechanical disadvantage. What are the levers that operate at a mechanical disadvantage called? A&P […]