easa modules questions

 Impact driver A manual impact driver is a tool that delivers a strong, sudden rotational force and forward thrust when struck on the back with a hammer. It is often used by mechanics to loosen larger screws and nuts that are corrosively "frozen" or over-torqued.  manual impact driver is a tool that delivers a strong, sudden rotational force and forward thrust when struck on the back with a hammer. It is often used by mechanics to loosen larger screws and nuts that are corrosively "frozen" or over-torqued.

  A  caliper i s a device that is used to  measure distance between two opposite sides of an object.  Types Many types of calipers permit reading out a measurement on a ruled scale, a dial, or a digital display.  But a caliper can be as simple as compass  with inward or outward-facing points.  <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle"      style="display:block; text-align:center;"      data-ad-layout="in-article"      data-ad-format="fluid"      data-ad-client="ca-pub-3594006331358944"      data-ad-slot="7745808678"></ins> <script>      (adsbygoogle = window.adsbygoogle || []).push({}); </script> The tips of the caliper are adjusted to fit across the points to be measured and then the caliper is then removed and the distance read by measuring between the tips with a measuring tool, such as ruler