Which statement about pneumatic chipping tools is TRUE?

A The chipping mechanism is made of non-sparking material that is safe to use near explosive atmospheres.

B The equipment must be grounded to prevent shock hazard.

C The needles of the needle-type chipping gun must be replaced when they have been blunted more than ½ of their diameter.

D The equipment shall be secured to the hose by a quick-disconnect coupling to prevent the tool from becoming accidentally disconnected.

AI Explanation

The correct answer is D) The equipment shall be secured to the hose by a quick-disconnect coupling to prevent the tool from becoming accidentally disconnected. This is correct because quick-disconnect couplings are required on pneumatic chipping tools to ensure the tool does not become inadvertently separated from the air supply hose during operation. This safety feature helps prevent the tool from becoming a projectile and causing injury. The other answer choices are incorrect because: A) non-sparking material is not specifically required, B) grounding is not a universal requirement, and C) the blunting tolerance for the needle-type chipping gun needles is not specified in the regulations.

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Question 2197 Deck General

Which statement about pneumatic chipping tools is TRUE?

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