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Module 6 - Materials and Hardware

20 Practice questions, Multiple Choice.

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Question 1 of 20

A Hardy Spicer coupling has what type of bearings?

A

Plain bearings

B

Ball Bearings

C

Needle Bearings

Question 2 of 20

Which of the following metals is an aluminium silicon alloy used mainly for casting?

A

Aldrey

B

Alclad

C

Alpax

Question 3 of 20

To correctly tension cables it can help to

A

have control surface locks in to support weight and adjust turnbuckles equally

B

take up initial slack by additional pulleys

C

use a cable run with turnbuckles at least every eight feet

Question 4 of 20

Honeycomb for repair can be removed with

A

a drill

B

locally manufactured concave knife

C

a router

Question 5 of 20

Aircraft skin is joggled to

A

conform to the "Area rule"

B

provide smooth airflow at faying surfaces

C

make a frame lighter but stronger

Question 6 of 20

Dzuz Fasteners provide

A

for easy hammering into position

B

a close tolerance fit

C

quick release fasteners at inspection panels

Question 7 of 20

The pot life of a cold cured resin

A

increases with increase of temperature

B

is not reliant upon temperature fluctuations

C

decreases with an increase in temperature

Question 8 of 20

British turnbuckles are checked for safety by

A

attempting to pass a hardened pin probe through the inspection hole

B

attempting to pass locking wire through the hole

C

looking through the hole and checking for threads showing

Question 9 of 20

A full list of decals would be found in

A

EASA Part 42

B

Maintenance Manual

C

Aircraft logbook

Question 10 of 20

A Skydrol hydraulic seal would be made of

A

butyl rubber, Ethelene propylene or Teflon Phosphate Ester based

B

natural rubber vegetable based

C

synthetic rubber mineral based

Question 11 of 20

The British system of heat treatment codes is

A

a series of numbers

B

a series of letters

C

numbers and letters

Question 12 of 20

What colour is used to identify a primary structure on a diagram or drawing?

A

Yellow

B

Green

C

Red

Question 13 of 20

If you are unable to identify a structure classification as either primary or secondary what action should you take?

A

Grade as secondary

B

Upgrade as primary

C

Paint it red and stamp it as tertiary

Question 14 of 20

What is meant by the term Pitch Ratio?

A

The distance between two holes

B

The distance between the hole and the edge of the material

C

The area of contact between the two sheets of metal when joining by rivets

Question 15 of 20

What is meant by the term Major Repair?

A

Repairs which can be made without dismantling for access and do not require the use of specialist tools

B

Repairs which can be made whilst the aircraft is en-route

C

Repairs which require the use of special jigs, supports or jury structure and some dismantling

Question 16 of 20

The length of solid rivets is in graduations of

A

1/8 inch

B

1/4 inch

C

1/16 inch

Question 17 of 20

What would be the diameter and length of a solid rivet if the following markings are given, AS 162-408?

A

1⁄2 inch dia, 1 inch length

B

1⁄4 inch dia, 1⁄2 inch length

C

1/8 inch dia, 1⁄2 inch length

Question 18 of 20

What would the marking .5 indicate after the normal part number of a solid rivet?

A

Indicates close tolerance rivet

B

The diameter of the rivet is half an inch

C

The rivet length in graduations of 1/8 inch

Question 19 of 20

What is the pressure range for the Avdel Riveter type F?

A

20 to 60 psi

B

60 to 80 psi

C

40 to 60 psi

Question 20 of 20

What is the length of the operation stroke of the Avdel Riveter type F?

A

7/8 inch

B

1 inch

C

1⁄2 inch

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