1) Adhesives containing phenol-formaldehyde, to cure, requires Report

room temperature

low temperature

high temperature

2) Two parts of the adhesive process are Report

wetting and gripping

spreading and setting

wetting and setting

3) Types of adhesive joints are Report

mechanical and cemented

cemented and specific

mechanical and specific

4) What material would be used where a high temperature application is required, e.g. a firewall? Report

Aramid (Kevlar) fibres

Carbon/graphite fibres

Ceramic fibres

5) Over extended honeycomb can bend in which direction?. Report

Across the ribbon

Along the ribbon

In all directions

6) Fibre weave strength is greatest in the direction of the Report

weft

warp

bias

7) What is Alumina? Report

An alloy of aluminium

Aluminium ore

A ceramic oxide of aluminium

8) Which of these core materials will be used in the making of a composite material flat panel?. Report

Hexagonal core

Rectangular core

Flexible core

9) Which of the following could best be manufactured from Perspex panel? Report

A passenger window

A radome

A cockpit windscreen

10) Kevlar and Nomex are types of Report

glass fibre composite

advanced composite

aluminium alloy

11) Strength of fibreglass is Report

along the fibre

across the fibre

either direction

12) A composite flap panel has structural damage. What NDT method will you use to detect? Report

High voltage x-ray

Low voltage x-ray

Coin tap test

13) Sound is best absorbed by a material which is Report

dense

hard

soft and porous

14) The maximum tensile strength of fibre reinforced plastic is achieved using Report

fibres uniformly distributed at 45 degrees to each other

unidirectional fibres

chopped strand mat

15) Polyester resin and glass fibre cloth, becomes Report

PTFE

PVC

GRP

16) A thermoplastic can be Report

heated and formed only once

is not affected by even low temperatures

can be reheated and reformed more than once

17) An impact adhesive is part of the Report

thermoplastic group

thermoset group

Anaerobic resin group

18) Sandwich panels made of metal honeycomb construction are used on modern aircraft because this type of construction Report

may be repaired by gluing replacement skin to the inner core material with thermoplastic resin

is lighter than single sheet skin of the same strength and is more corrosion resistant

has a high strength to weight ratio

19) A category of plastic material that is capable of softening or flowing when reheated is described as a Report

thermoset

thermoplastic

thermocure

20) The classification of high tensile strength fibreglass used in aircraft structures is Report

G-glass

E-glass

S-glass

EASA Questions Module 6: Materials Set 4: Composite

Set 1: Materials - Ferrous

Set 2: Materials - Ferrous

Set 3: Materials - Non-Ferrous

Set 4: Composite & Non-Metal

Set 5: Wooden Structures

Set 6: Fabric Covering

Set 7: Corrosion

Set 8: Screw Threads

Set 9: Bolts, studs & screws

Set 10: Locking devices

Set 11: Rivets

Set 12: Pipes and Unions

Set 13: Bearings

Set 14: Transmissions

Set 15: Control Cables

Set 16: Electrical Cables