Mesothelioma Navy Mesothelioma Navy Technology Applications 3

Question 1

What technical characteristic of amosite asbestos made it particularly preferred for Navy high-temperature pipe insulation compared to chrysotile?

Accepted Answer

Higher melting point and superior heat resistance

Answer

Amosite (brown asbestos) withstands higher continuous operating temperatures than chrysotile, making it the preferred choice for insulating high-pressure steam pipes aboard Navy vessels.

Question 2

Navy electricians who worked with which specific technology were exposed to asbestos in wiring and switchboard components?

Accepted Answer

Arc chutes and electrical panel boards containing asbestos arc barriers

Answer

Electrical switchboards and panel boards contained asbestos arc chutes — barriers designed to extinguish electrical arcs — exposing electricians during installation and maintenance.

Question 3

How did Navy ship decommissioning and scrapping operations in the post-World War II era create a second wave of asbestos exposure risk?

Accepted Answer

Scrapping workers were exposed to asbestos released from cutting torch operations on insulated components

Answer

Cutting torches used to dismantle decommissioned vessels vaporized and released asbestos fibers from insulation, creating acute exposure hazards for shipbreaking workers.

Question 4

Which Navy occupational specialty had direct daily contact with asbestos-containing thermal insulation as a core part of their job duties?

Accepted Answer

Machinist's mate working in engineering spaces

Answer

Machinist's mates operating in engine rooms, boiler rooms, and fire rooms worked continuously alongside and often directly with asbestos-insulated pipes, valves, and machinery.

Question 5

What was the significance of the MIL-I-24244 military specification in the history of Navy asbestos exposure?

Accepted Answer

It was the procurement standard requiring asbestos insulation in shipboard thermal applications

Answer

Military specification MIL-I-24244 and similar procurement standards required asbestos-containing insulation materials in Navy construction, ensuring systemic use across the fleet.

Mesothelioma Navy Practice Test

Mesothelioma Navy Practice Test

Mesothelioma Navy Mesothelioma Navy Technology Applications 3