Airframe Mechanic Certification Safety Procedures & Regulatory Compliance 4

Question 1

What is the minimum color specification for safety wire used on aircraft engine hardware?

Accepted Answer

Monel or stainless steel wire of the diameter specified in the applicable maintenance manual

Answer

Safety wire must be made of Monel or stainless steel of the diameter specified in the applicable maintenance manual or standard practice for the application.

Question 2

Under OSHA regulations applicable to aircraft maintenance facilities, what is the permissible exposure limit (PEL) for a substance that would require a mechanic to wear a respirator?

Accepted Answer

Concentrations exceeding the PEL established in 29 CFR 1910.1000

Answer

OSHA's permissible exposure limits in 29 CFR 1910.1000 establish the maximum allowable concentrations of airborne contaminants, and respiratory protection is required when those limits are exceeded.

Question 3

A repair station certificate under 14 CFR Part 145 requires which of the following to be maintained at all times?

Accepted Answer

Housing, equipment, and personnel appropriate for the ratings held

Answer

A Part 145 repair station must continuously maintain appropriate housing, equipment, materials, and qualified personnel necessary for the ratings shown on its certificate.

Question 4

When performing a ground run-up to check engine performance after maintenance, what minimum safety precaution is required for personnel near the aircraft?

Accepted Answer

A fire guard must be posted and personnel must stay clear of prop and exhaust danger zones

Answer

During engine ground run-up, a fire guard must be posted and all personnel must remain clear of propeller arc, exhaust, and intake danger zones.

Question 5

Which regulation requires aircraft operators to comply with Airworthiness Directives?

Accepted Answer

14 CFR 39.7

Answer

14 CFR 39.7 states that no person may operate a product to which an Airworthiness Directive applies except in accordance with the requirements of that AD.

Airframe Mechanic Certification Practice Test

Airframe Mechanic Certification Practice Test

Airframe Mechanic Certification Safety Procedures & Regulatory Compliance 4