Aircraft Covering

Question 1

When and how is finishing tape applied on a fabric-covered aircraft?

Answer 1

Doped on after the first or second coat of dope

Question 2

Moisture, mildew, chemicals and acids have no effect …

Answer 2

glass fabric

Question 3

Finishing tape (surface tape) is used for what purpose?

Answer 3

To provide additional wear resistance over the edges of fabric covering forming structures

Question 4

When dope-proofing the parts of the aircraft structure that come in contact with dope fabric, which of the following provided an acceptable protective coating?

Answer 4

Aluminium foil and cellulose tape

Question 5

When testing the strength of a Grade A cotton fabric covering an aircraft that requires only intermediate grade, the minimum acceptable strength the fabric must have is…

Answer 5

70% of the original strength for the intermediate fabric

Question 6

The determining factor(s) for the selection of the correct weight of the textile to be used in covering any type of aircraft is the

Answer 6

speed of the aircraft and the maximum wing loading

Question 7

How many fabric thickness will be found in a French-fell seam

Answer 7

4

Question 8

Fungicide and mildewcide additives are important for fabric covered aircraft, such as

Answer 8

cotton and linen

Question 9

Fabric rejuvenator

Answer 9

restores the condition of dope coatings

Question 10

The strength classification of the fabrics used in aircrafts is based on

Answer 10

tensile strength

Question 11

Machine-sewn seams in aircraft coverings fabrics may be of which of the following types?

Answer 11

Folded-fell, French-fell or Plain lapped

Question 12

The best method of repair for a fabric-covered surface which has a L-shaped tear, each leg approximately 14 inches long, is to

Answer 12

sew with a baseball stitch from the centre of the tear out toward the extremity of each leg and then dope a patch