test12

A main difference between Lockbolt/Huckbolt tension and shear fasteners (other than their application) is in the? A. Number of locking collar grooves. B. Shape of the head. C. method of installation

A. Number of locking collar grooves.

Most rivets used in aircraft construction have? A. dimples B. smooth heads without markings C. raised dot

A. dimples

Rivet pitch is the distance between the? A. centers of rivets in adjacent rows B. centers of adjacent rivets in the same row C heads of rivets in the same row

B. centers of adjacent rivets in the same row

A well-designed rivet joint will subject the rivets to? A. compressive loads B. shear loads C. Tension loads

B. shear loads

The dimensions of an MS20430AD-4-8 rivet are? A.1/8 inch in diameter and 1/4 inch long B.1/8 inch in diameter and 1/2 inch long C.4/16 inch In diameter and 8/32 inch long

B.1/8 inch in diameter and 1/2 inch long

Repairs or splices involving stringers on the lower surface of stressed skin metal wings are usually? A. not permitted. B. permitted only if the damage does not exceed 6 inches in any direction. C. permitted but are normally more critical in reference to strength in tension than similar repairs to the upper surface.

C. permitted but are normally more critical in reference to strength in tension than similar repairs to the upper surface.

One of the main advantages of HI-LOK type fasteners over earlier generations is that? A. they can be removed and reused again. B. the squeezed on collar installation provided a more secure, tighter fit. C. they can be installed with ordinary hand tools.

C. they can be installed with ordinary hand tools.