Q. What is the velocity ratio of two gears if the driver gear has angular velocity of 20 m/s and driven gear has angular velocity of 10 m/s?

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Q. What is the angular velocity of driven gear if the driver gear has angular velocity of 30 m/s and velocity ratio of two gears is 3:2?

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Q. Which gear cannot connect two parallel shafts?

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Q. Spur gears can transmit power between perpendicular shafts.

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Q. Which gear can be used to transmit rectilinear motion?

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Q. Which gear train is also called as “Sun and planet gear train”?

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Q. Which gear train contains more than one gear in a single shaft?

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Q. In reverted gear train, the input and output gears should be co-axial.

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Q. Which gear train contains only one gear in a single shaft and the driven gear does not revolve driven gear around it?

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Q. What is the velocity ratio of a gear train if the train value is 2:7?

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Q. What is the velocity ratio of two gears if the driver gear has angular velocity of 15 m/s and driven gear has angular velocity of 10 m/s?

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Q. Reverted gear train is also called as planetary gear train.

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Q. Rack and pinion gear can be termed as linear actuator.

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Q. Who invented Ratchet wrench?

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Q. What is the purpose of pawl, when it is used against a ratchet which is attached to a shaft?

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Q. What is the minimum number of tooth, a ratchet should have?

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Q. Which ratchets are often called as roller drive ratchets?

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Q. The tooth of a ratchet is symmetrical.

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Q. The movement of the ratchet can be locked by pawl if it moves in opposite direction.

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Q. What is the maximum distance, a pawl can travel during the backward motion of a ratchet?

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