Читайте также:
|
|
Complete the sentences with the best options.
1. There are some movable parts on the ______ of the wing.
a) leading edge b) trailing edge c) centre-section
2. The ______ structural members of the wing are spars, stringers and beams.
a) transverse b) covering c) longitudinal
3. The _______ the wing produce bending, shear and torsion.
a) weight of b) aerodynamic loads on c) structure of
4. Every pound of wing structural weight replaces a pound of _____.
a) payload b) power c) lifting force
5. The distance between wing tips is called the _____.
a) chord b) beam c) span
Match the terms with their definitions.
1. In this type of construction the skin a. span
of the aircraft carries structural loads.
2. This component of the airplane b. skin
produces lifting force for flying.
3. They are the longitudinal members c. stressed skin
of the wing structure.
4. The distance between the d. chord
wing tips.
5. It covers the wing structure. e. wing
6. It is a transverse element of f. spar, stringer and beam
the wing structure.
7. Distance from the leading to g. rib
the trailing edge of the wing.
Read the text again and decide if these statements are true or false.
1. There are two main functions of the wing – to produce lift and to house
many vital parts of the aircraft.
2. Movable parts of the wing are located on the leading edge.
3. Span - it is a distance between the wing tips.
4. Light weight is of no importance in an airplane structure.
5. Ribs are longitudinal members of the wing structure.
6. Spars, stringers and beams are spanwise stiffeners of the wing structure.
7. Skin is the covering of the wing structure and it can carry structural loads.
5. These are the answers. What are the questions?
1. – the wings.
2. – a wing root, an intermediate section and the wing tip.
3. – on the trailing edge.
4. – chord.
5. – longitudinal and transverse elements.
Vocabulary Focus
Match the synonyms.
A B
Wing Rear edge
Front edge Bay
Shape Engine
Covering Airfoil
Section Form
Trailing edge Skin
Power plant Leading edge
Match the antonyms.
A B
Leading Secondary
Take off Fixed
Primary Weaken
Root Trailing
Different Landing
Reinforce Tip
Transverse Similar
Movable Longitudinal
Give the English equivalents to the words in the brackets.
1. Rib is a (поперечный) element of a wing structure.
2. The main longitudinal structural members of the wing structure are –
(лонжероны, стрингеры и балки).
3. A typical construction of the wing must resist (изгибу, сдвигу и кручению).
4. (Топливные баки), control mechanisms and very often (двигатели) and landing gear (отсеки) are arranged in the wing structure.
Дата добавления: 2015-11-14; просмотров: 61 | Нарушение авторских прав
<== предыдущая страница | | | следующая страница ==> |
Choose the best alternative to fill the gaps in these sentences. | | | Divide the text into logical parts. Think of the subtitle to each part. |