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Q. |
## Choose the wrong statement |

A. | the frictional torque transmitted by a shaft fitted with a large number of collars is the same as transmitted by a shaft with one collar |

B. | the frictional force for uniform pressure, in case of a flat pivot bearing, can be assumed to be acting at a distance of two-thirds of the radius of the shaft from the axis of shaft. |

C. | when horse power lost in friction is to be determined, uniform pressure is assumed for safe design of bearing |

D. | the frictional force for uniform pressure, in case of a flat collar pivot bearing, can be assumed to be acting at a distance of half of the sum of internal and external radii of the shaft |

Answer» D. the frictional force for uniform pressure, in case of a flat collar pivot bearing, can be assumed to be acting at a distance of half of the sum of internal and external radii of the shaft |

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