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Question

Which of the following devices is used to hoist national flag ?


A

Lever

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B

Screw

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C

Wedge

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D

Pulley

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Solution

The correct option is D

Pulley


Flag pole pulleys have a rope or cable to which flags are attached. The rope or cable wraps around a wheel at the top of the pole, making flag raising and lowering easier. So pulley is used to hoist national flag.


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