SHEET METAL STRUCTURES
2-1 D01
A well designed rivet joint will subject the rivets to
A compressive loads. B tension loads. C shear loads.
2-1. Answer C. JSAT 2-51 (AC65-15A)
Rivets hold pieces of aircraft skin together, and in a properly designed riveted joint, the rivets support shear loads only.
2-2 D01
A main difference between Lockbolt/ Huckbolt tension and shear fasteners (other than their application) is in the
A method of installation.
B number of locking collar grooves.
C shape of the head.
2-3 D01
Alloy 2117 rivets are heat treated
A to a temperature of 910 to 930 蚌 and quenched in cold water.
B by the manufacturer and do not require heat treatment before being driven.
C by the manufacturer but require reheat treatment before being driven.
2-4 D01
The general rule for finding the proper rivet diameter is
A three times the thickness of the thickest sheet.
B two times the rivet length.
C three times the thickness of the materials to be joined.
2-5 D01
The shop head of a rivet should be
A one and one-half times the diameter of the rivet shank.
B one and one-half times the diameter of the manufactured head of the rivet.
C one-half times the diameter of the rivet shank.
2-6 D01
One of the main advantages of Hi-Lok type fasteners over earlier generations is that
A the squeezed on collar installation provides a more secure, tighter fit.
B they can be removed and reused again.
C they can be installed with ordinary hand tools.
2-2. Answer B. JSAT 2-45
Huckbolts and Lockbolts are manufactured to the same Federal Standard. In each case, the tension-type has 4 to 5 locking grooves and the shear-type has 2.
2-3. Answer B. JSAT 2-38 (AC65-9A)
The 2117-T rivet, known as the field rivet, is used more than any other for riveting aluminum alloy structures. The field rivet is in wide demand because it is ready for use as received, and