GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Flywheel is an important part of a steam engine because it -
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gives strength to the engine
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decreases the moment of inertia
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accelerates the speed of the engine
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helps the engine in keeping the speed uniform
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Explanation:
Detailed explanation-1: -Flywheels have a significant moment of inertia and thus resist changes in rotational speed, enabling the engine to run at a constant, uniform motion.
Detailed explanation-2: -Simply, it stores the momentum from combustion to keep the crankshaft turning in between the engine’s power strokes. The flywheel stores energy when torque is applied by the energy source, and it releases stored energy when the energy source is not applying torque.
Detailed explanation-3: -Common uses of a flywheel include smoothing a power output in reciprocating engines, energy storage, delivering energy at higher rates than the source, controlling the orientation of a mechanical system using gyroscope and reaction wheel, etc.
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