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Airframe Technology Question Paper

Airframe Technology

Course:

Institution: Kenya Aeronautical College question papers

Exam Year:2016

Instructions:
Answer all 5(FIVE) questions in the space provided.
Use neat well labeled sketches where applicable
All questions carry equal marks.
Time: 3 hours

1. a. Name three types of aircraft hydraulic fluids. (3 mks)

b. With the aid of well labelled sketches explain.
i. the operation of the automatic cut out valve in kick in and kick out modes. (12 mks)
ii. The hydraulic filter. (5 mks)

2. a.With the aid of schematic drawing describe the construction and operation of a combustion heater used in cabin atmosphere and control. (10 mks)

b. Explain the following forms of corrosion.
i. Dissimilar metal corrosion. (2 mks)
ii. Intergranular corrosion. (2 mks)

c. Explain the following four mechanical shaping processes of metals. (4 mks)
i. Casting.
ii. Drawing.
iii. Rolling.
iv. Extrusion.

d.De-code the aluminum alloy materials denoted by the following numbers. (2 mks)
i. 2024
ii. 7075

3. In respect to aircraft composite materials:
a. i.Explain the term ''bonding''
ii.Discuss the steps of a bonding process. (11 mks)

b.State three characteristics of wood best suited for aircraft construction. (3 mks)

c.Describe three methods of determining the grain direction on wood used in aircraft construction. (6 mks)

4. a. State five major reasons why the landing gear is fitted onto an aircraft. (5 mks)

b.With the aid of sketches describe the construction and operation of
i. The air-oleo shock strut. (9 mks)
ii. Discuss the constuction and operation of a shimmy damper. (6 mks)

5. a. Name and explain the functions of primary flight control group. (6 mks)

b. With the aid of well labeled sketches explain the operation of:
i. A gravity fuel system for a single engine airplane. (7 mks)
ii.A light attenuation type smoke detector. (7 mks).