Q. When was the first ball bearing patented?

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Q. Which type of bearing has no moving parts inside it?

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Q. What is the type of preload called when a bearing experiences a stress due to negative clearance?

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Q. What is the strain on an object, when a force of 3 Newton is applied on it and it expands the length of the object from 4 cm to 6 cm?

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Q. What is the ratio of stress to strain called?

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Q. What is the unit of stress?

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Q. Pressure and stress are same as both are defined as force per unit area.

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Q. Stress on a body occurs only when compressive force act on it.

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Q. What is the unit of strain?

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Q. What is the strain on a hook of a hanger, when its length expands from 5 cm to 6 cm due to a hanging load?

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Q. What is the value of stress that occurs on an object when a force of 5 Newton is applied perpendicularly to an area of 1meter²?

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Q. What is the strain on a hanging load, when a force of 1 Newton is applied on it and it expands the length of the object from 9 cm to 12 cm?

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Q. Preloads can avoid resonance due to external disturbances.

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Q. Pressure and stress both have same unit (i.e) “Pascal”.

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Q. Sheer stress occurs when a body expands due to external force.

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Q. What is the nature of the stress-strain graph of an elastic body?

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Q. What is the strain on a hanging load, when a force of 5 Newton is applied on it and it expands the length of the object from 8 cm to 12 cm?

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