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The back work ratio formula is used in engineering to measure the efficiency of a turbine or compressor. It is calculated by dividing the actual work output by the work input. A high back work ratio indicates that a significant portion of the work input is being used to overcome losses, while a low ratio indicates better efficiency. This formula helps engineers optimize the performance of turbines and compressors in various applications, such as power generation and HVAC systems.

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The ability of a material to bounce back after being disturbed?

The ability of a material to bounce back after being disturbed is known as resilience. It is a measure of the material's ability to absorb energy when deformed and return to its original shape once the deforming force is removed. Resilience is important in various applications, such as in engineering materials and sports equipment.


What is the significance of the keyword "kx wt" in the context of physics or engineering?

In physics and engineering, the keyword "kx wt" represents the equation for the displacement of a harmonic oscillator. It is significant because it helps to describe the motion of systems like springs and pendulums, showing how they oscillate back and forth.


How do you derive PVI formula?

The present value interest factor (PVIF) is derived using the formula: PVIF = 1 / (1 + r)^n. This formula calculates the value of $1 received in the future discounted back to its present value using the interest rate (r) and number of periods (n).


How is formula of sonar is derived?

The formula for sonar is derived using the principle of echolocation. It calculates the distance to a target by measuring the time it takes for sound waves to travel to the target and back. The formula typically involves the speed of sound in water, the time delay of the reflected sound wave, and the depth of the water.


When you Push a spring back and forth it creates an?

When you push a spring back and forth, it creates mechanical energy by storing and releasing potential energy. This oscillating motion is what allows springs to be used in various applications like shock absorption and energy storage systems.

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Are students who appear for compartments eligible for engineering in the same year of compartment?

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