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 unit of strain?

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

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

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Q. What is the unit of stress?

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

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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 type of preload called when a bearing experiences a stress due to negative clearance?

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

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Q. When was the first ball bearing patented?

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Q. Ball bearings provide higher rotational speed than roller bearing of same size.

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Q. Ball bearing is preferred over roller bearings when the bearing has to bear huge load.

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Q. Single row deep groove ball bearing can bear more radial load than double row deep groove ball bearing.

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Q. Which type of bearing has a frustum of a cone shaped roller inside it?

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Q. Who invented Conrad style ball bearing?

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Q. Which type of bearing has a frustum shape assembly?

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Q. Which type of bearing has axial length at least 4 times the length of the diameter?

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Q. Slot fill type ball bearings have higher load bearing capacity than Conrad type ball bearing.

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Q. Radial ball bearing is also called as roller bearing.

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Q. Which type of bearing can achieve highest speed?

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