Part-66 Module 11 practice test

Question 1

What is the fail-safe design philosophy?

Accepted Answer

Redundant load paths so one failed member does not cause collapse

Answer

The structure is designed so that it never needs inspection

Answer

Parts are replaced after a fixed life, regardless of condition

Question 2

What is a wing box?

Accepted Answer

The box formed by the front and rear spars and skins

Answer

A box used for storing tools inside the wing

Answer

The landing gear bay between the wing roots

Question 3

What is the main source of air for air conditioning on most jet transports?

Accepted Answer

Engine bleed air or APU bleed air

Answer

Ram air from scoops only

Answer

Oxygen from storage bottles

Question 4

Which instruments are connected to the pitot-static system?

Accepted Answer

Airspeed indicator, altimeter and VSI (or the ADC)

Answer

Compass, attitude indicator and turn coordinator

Answer

Fuel quantity, oil pressure and EGT gauges

Question 5

What is the standard AC power supply on most transport aircraft?

Accepted Answer

115 V, 400 Hz, three-phase

Answer

230 V, 50 Hz, single-phase

Answer

28 V DC only

Question 6

What must be considered when installing or modifying passenger seats?

Accepted Answer

Approved design, correct track locks, exit access, placards

Answer

Only the seat colour and fabric pattern

Answer

Seats can be fitted anywhere if they are bolted down

Question 7

Which type of detector is commonly used in cargo compartments?

Accepted Answer

Smoke detectors

Answer

Continuous loop thermal detectors only

Answer

Flame detectors on the outside of the fuselage

Question 8

Which flight control surfaces provide roll control?

Accepted Answer

Ailerons, often assisted by roll spoilers

Answer

Elevators, moving in opposite directions

Answer

Rudder, assisted by the yaw damper

Question 9

What is an integral fuel tank?

Accepted Answer

A tank formed by the sealed structure of the wing itself

Answer

A separate metal tank fitted inside the wing box

Answer

A rubber bag tank fitted between the spars

Question 10

What precaution applies when handling phosphate ester hydraulic fluid?

Accepted Answer

Wear goggles and gloves; it irritates eyes and skin

Answer

No precautions are needed with phosphate ester fluid

Answer

It must be heated before handling to reduce viscosity

Question 11

How are wing leading edges commonly protected against ice on jet transports?

Accepted Answer

Hot bleed air inside the leading edge

Answer

Inflatable rubber boots along the leading edge

Answer

Fluid sprayed from the flight deck system

Question 12

What is the purpose of the oleo-pneumatic shock strut?

Accepted Answer

Nitrogen absorbs impact; oil through an orifice damps rebound

Answer

To retract the landing gear using oil pressure in the strut

Answer

To steer the aircraft using nitrogen pressure in the strut

Question 13

What colour is the right wingtip navigation light?

Accepted Answer

Green

Answer

Red

Answer

White

Question 14

What is a chemical oxygen generator?

Accepted Answer

A canister where sodium chlorate reacts to give oxygen

Answer

A bottle of compressed gaseous oxygen with a regulator

Answer

A liquid oxygen tank kept cold by insulation

Question 15

What is the isolation valve in a pneumatic manifold for?

Accepted Answer

To separate or join left and right manifolds

Answer

To shut off fuel to the engine in a fire

Answer

To control hydraulic flow between systems

Question 16

How is potable water usually supplied to galleys and lavatories?

Accepted Answer

From a tank pressurised by bleed air or a compressor

Answer

Only by gravity from tanks in the wings

Answer

By the hydraulic system through a reducer

Question 17

What is BITE?

Accepted Answer

Built-in test equipment that detects and records faults

Answer

A special tool used for cutting and stripping wires

Answer

A cabin service item used by the crew

Question 18

What is integrated modular avionics (IMA)?

Accepted Answer

Many avionics functions as software on shared modules

Answer

A single large cockpit display showing all data

Answer

A mechanical control system with electric backup

Question 19

What is the cabin interphone used for?

Accepted Answer

Calls between flight deck and cabin crew stations

Answer

Communication with air traffic control

Answer

Passenger entertainment audio channels

Question 20

What is an electronic flight bag (EFB)?

Accepted Answer

A device showing manuals, charts and performance data

Answer

A bag used for storing the crew's tools

Answer

A flight data recorder for the crew