ATA 70

Question 1

Can you reuse gaskets and preformed packing seals (A, B1, B2)
a. No
b. Yes, B1 CRS decision
c. Yes, Forman decision

Question 2

How can you bend an originally bent tube? (A, B1, B2)
a. In any direction
b. In reverse direction
c. In the same direction

Question 3

Bend radius and tube diameter ratio must be (B1)
a. ≥ 1
b. ≥ 2
c. ≥ 3

Question 4

During a clamp installation, you must ensure (B1)
a. The tube touches the teflon liner
b. The clamp strap touches the teflon liner
c. There is no interference beween the mating surfaces of the clamp strap

Question 5

A clampshell-type clamp has these parts: (B1)
a. 2 clampshells and a cushion
b. 2 clampshells and a clamp
c. 2 clamps and a clampshell

Question 6

Which of the following damages are allowed for E, C and W metal seals? (B1)
a. Out of roundness, distortion, cracks
b. Discoloration, dents
c. None of the above

Question 7

During removal and installation of Tri-wing fasteners, the recess number on fastener
(B1)
a. Should be the same as the recess number on the driver
b. Should be one size smaller than the recess number on the driver
c. Should be two sizes bigger than the recess number on the driver

Question 8

Number of twists of lockwire per inch are (A, B1, B2)
a. 7-9
b. 12-15
c. 9-12

Question 9

Maximum length of lockwire between points that are in tension is (A, B1, B2)
a. 3 in
b. 6 in
c. 7 in

Question 10

You are allowed to lockwire maximum (A, B1, B2)
a. 4 parts in a series
b. 3 parts in a series
c. 5 parts in a series