3272-11 sys (1.19)

In a fly-by-wire control system, the follow-up transducer is fitted to. the control system computer. the hydraulic actuator. the pilot's input.

The down position of the speed brake lever is detented to. lock the speed brakes down during flight. allow the ground speed brakes to be used on touchdown. prevent inadvertent operation.

Asymmetric flap operation is prevented to keep to a minimum the tendancy of. pitch changes. yawing. rolling.

High thrust stall warning is activated when the thrust of opposite engine reads. greater than 50%. greater than 75%. greater than 90%.

A differential aileron control is one which gives. a larger aileron up travel than down. equal aileron travel in each direction, but variable for stick movement. the down-going aileron more travel than the up-going one.

When the control column is moved back and the hand-wheel turned to the left the elevators move down and the left aileron moves down. the elevators move up and the left aileron moves down. the elevators move down and the left aileron moves down. the left aileron moves up and the elevators move up.

A series type yaw damper. moves the rudder and the ailerons to damp out Dutch roll. moves the rudder only. moves the rudder pedals and the rudder.

A stick shaker. vibrates the elevators to cause buffeting of the airframe. is a linear actuator attached to the base of the control column. is an eccentric flywheel driven by an electric motor and mounted on the control column.

If the control column is moved forward and to the left. left aileron moves down, right aileron up, elevator down. left aileron moves up, right aileron moves down, elevator up. left aileron moves up, right aileron down, elevator down.

On an aircraft fitted with spoilers for lateral control, roll to the right is caused by. left spoiler extending, right spoiler remaining retracted. both spoilers extending. right spoiler extending, left spoiler remaining retracted.

When an aileron trim control in the cockpit is moved to counteract a tendency to fly left wing low, an aileron trim tab fitted to the port aileron will. move up and this will cause the left aileron to move down and the right aileron to move up. move up and cause the left aileron to move down and the right aileron to move down to a lesser degree. move up and cause the left aileron to move down but the right aileron will remain neutral.

You have adjusted the elevator trim tab to correct for nose heavy. What was the direction of travel of the trim tab?. The port elevator tab has moved up and starboard moved down. The elevator trim tab has moved down. The elevator trim tab has moved up.

Pulleys in a flight control system are made from. brass. Tufnol or aluminium alloy. stainless steel.

A tension regulator in the flight control cable system of a large all metal aircraft is used primarily to. increase cable tension in cold weather. decrease cable tension in cold weather. retain a set tension.

An interrupter arm incorporated in a flying control locking mechanism. dampens the rudder movement. locks the ailerons and elevators. restricts movement of the throttles.

The yaw damper must be designed to allow the rudder to control in response to the aircraft's. dutch roll frequency. roll frequency. pitch Frequency.

The alpha vane signal can be fed to __________ when the aircraft is close to stall. fast/slow switch. throttle lever. flap position.

Moving the elevator trim wheel fully aft, then the. aircraft tends to roll to the right. aircraft tends to go nose up. aircraft tends to go nose down.

Ground spoilers are used to. decrease wing loading on landing. increase wing loading on take-off. prevent FOD ingestion into the engines on landing and taxiing.

The outboard ailerons on some aircraft. are isolated to prevent aileron reversal. are isolated to improve sensitivity. are isolated at slow speeds.

The effect of the rudder on an aircraft can be increased by. decreasing the velocity of the aircraft. increasing the altitude of the aircraft. increasing the distance of the control surfaces from the aircraft's centre of gravity.

Fuel tanks are numbered. aft to fwd. right to left. fwd to aft.

The fuel surge tank. acts as a separate fuel supply tank. reduces wing bending moment. acts as a vent in the main tank.

A fuel crossfeed valve is normally powered by. AC. DC. Battery.

When refuelling, as the fuel level increases. capacitance increases. capacitive reactance increases. capacitance decreases.

A fuel crossfeed valve is usually in. its last position. the closed position. the open position.

Sliding couplings in fuel systems are used on. low pressure systems. high pressure systems. air or vapour systems.

Fuel surge is prevented by. having baffles within the tank and supports on the outside to resist fuel surge. incorporation of an additional surge tank. having separate compartments within the tank.

When carrying out an insulation check on a fuel probe, what is the Maximum voltage to use. 500 V. 30 V. 250 V.

A fuel cross-feed valve is lubricated. by air. by the fuel. by internal cooling.

Fuel cross feed valves are operated by the . 115 V AC. battery. 28 V DC bus.

Fuel systems that are interconnected must have. separate venting for each tank. no airspace. air spaces interconnected.

As fuel level increases, system capacitance. no change. increases. decreases.

When refuelling. it is important to fill the expansion space in the tank. it is important not to fill the expansion space in the tank. the fuel nozzle will automatically cut off the supply when the tank is full.

When using Biopor microbial fuel growth treatment. it is added to the fuel and burnt. it is applied dry and left. it is applied wet and flushed out.

Microbial growth is. red dots. brown black slime. green sludge.

Bladder type fuel tanks are secured by. press type rivets. contact adhesive. bolts.

A zero fuel test on a fuel quantity indicating system is carried out with. tanks completely empty. tanks empty apart from unusable fuel. tanks completely full.

After a tank bag has been replaced, a fuel flow test should be carried out at. tank outlet. engine inlet. tank shut-off valve point.

In biologically contaminated fuel, corrosion takes place. the top of the tank. the bottom 2 inches of the tank. below the fungal colonies.

If an aircraft has ability to transfer fuel in flight, provision must be made to. shut off fuel before structural damage. stop engine from using tank during transfer. provide overflow facility to dump fuel.

In a fuel system with interconnected vents. the expansion space must be 2% of the tank capacity. the expansion space must be 10% of the tank capacity. an expansion space is not required.

Fuel tanks interconnected must have. vents to allow overfueling. protection against overfill for tanks and fuel system. tank where fuel is fed from both tanks to engine inlet.

When a FADEC system loses air data input it goes to. hard reversion. soft reversion. mechanical reversion.

Pressure refuelling is carried out at. 20 PSI. 40 PSI. 15 PSI.

Cross feed valves permit fuel transfer from. left tank to right tank. tank to tank. any tank to any engine.

What is fitted to the fuel jettison pipe to prevent vapour ignition?. A nozzle. A corona device. An anti-corona device.

What happens to the capacitance in a fuel contents gauge as fuel is used?. Depends on altitude. Decreases. Increases.

When an aircraft is put into storage for medium / long periods, the fuel tanks should. be full. have some fuel left in to prevent sealant from deteriorating/drying out. be empty.

Integral fuel booster pumps. require no cooling. require ram air cooling. lets the fuel do the cooling.

The purpose of a scavenge system within a fuel system is. to ensure that all available fuel can be used. to ensure that any water in the fuel is constantly dispersed thus reducing microbiological contamination. to ensure that all unused fuel is returned to the tanks efficiently.

In a light fixed wing aircraft, the fuel warning light indicates. ice blockage, filter popped or pump fail. the tank does not pressurise. pump failure.

How is fuel supplied to a turbine engine?. By suction from the engine driven fuel pump. By a fuel boost pump. By a gravity feed pump.

A fuel tank suction valve will open when. the engine driven pump fails. the booster pump fails. both the engine driven and booster pump fail.

To prevent water condensation in a fuel tank. the tank should be filled as full as possible. the tank should be filled with the minimum fuel possible. the filler cap should be left open.

At the lowest point of each vent line you would normally find a. self draining non-return valve. NACA duct. float valve.

To protect the centre tank fuselage area from a vapour build up. ram air is circulated around the tank. cabin air is bled around the tank. a shroud vent and overboard drain is fitted.

When a fuel jettison valve is in transit, the magnetic indicator would show. amber and cross line. green and in line. amber and in line.

When considering the basic categories of fuel tank construction, which of the following is most prone to leaks?. Rigid. Flexible. Integral.

On removal of a fuel tank booster pump, fuel is observed running out of the boost pump canister, this could be caused by. fuel leaking past the inlet screens. fuel draining out of the pressure switch bleed. the pressure outlet check valve is not correctly seated.

Crossfeed valves are normally fitted with. two 28V DC motors. two single phase AC motors. two three-phase AC motors.

To replace a water drain valve seal. the seal of the valve is replaceable without draining the tanks. the seal is not replaceable, the whole drain assembly must be replaced. the tank must be de-fuelled.

A shroud vent and overload drain would normally be found on. fuel tank vent pipes. fuel jettison system. the APU fuel feed.

To shut-off the LP fuel supply to the engine for the purpose of engine removal you would. close the cross bleed valve. close the HP fuel lock. pull the fire handle.

A leak from a fuel tank which manifests as fuel dripping from the tank is classified as a. stain. seep. run.

Calcium Chromate tablets can be fitted in integral tanks. Before installation the linen bag should be wetted with. Water. Methylated Spirit. Kerosene.

A check valve is fitted to a fuel jettison system to. prevent the centre from being defuelled. prevent the dumping of the outer tanks. automatically stop the fuel jettison operation after a period o.

The advantages of integral fuel tanks are that they. are easier to design and construct and use the maximum volume of fuel. are cheaper to manufacture, more durable and easier to maintain. use the maximum volume for fuel and have the minimum amount of weight.

On Large transport aircraft fuel is delivered to each engine using. a separate system for each engine. the same system for each engine. a parallel system.

In a constant volume hydraulic EDP, the short shaft which engages with the engine gearbox would have. 2 female splined portions separated by a waisted section. an inner female splined portion and an outer male splined portion. 2 male spline portions seperated by a waisted section designed to shear should the pump seize.

What is the unit which transforms hydraulic pressure into linear motion?. A hydraulic pump. An actuating cylinder. An accumulator.

What is the unit which transforms hydraulic pressure into rotary motion?. A hydraulic motor. A hydraulic pump. An actuating cylinder.

Which device allows the free flow of fluid in one direction and no fluid flow in the other direction?. Shutoff valve. Metering piston. Check valve.

A purpose of a 'cut-out' in a hydraulic system. is to prevent creep in jack operated services which have several selected positions. is to relieve the pump of load when the operation of services is complete and the accumulator charged with fluid. is to limit loss of fluid in the event of pipe fracture.

Hydraulic pressure can be restored by. compressing the air charge in an accumulator. the use of a pressure/heat exchanger. compressing the fluid in a reservoir.

An hydraulic accumulator has low air/nitrogen pressure. What will be the indications?. Full pressure indicated. Zero pressure indicated. The cut-out valve chatters.

To enable a hydraulic system to operate two components with different pressures, a. pressure reducing valve is used. pressure regulating valve is used. pressure relief valve is used.

Restrictor valves are fitted in hydraulic systems to. control rate of system operation. limit the maximum pressure. restrict the rate of pressure build-up.

What type of valve prevents pressure from building up until a demand is placed in an open- center hydraulic system?. An unloading valve. A bypass valve. A selector valve.

In an open-centre hydraulic system, system pressure is provided. only when the selector valve is set to ON. only when the selector valve is set to OFF. continuously.

In an open-centre hydraulic system, selector valves are positioned. in parallel. either in series or in parallel depending on the system design. in series.

What is the colour of the band on a hydraulic seal?. White. Green. Yellow.

A maintainer valve in a hydraulic system will. maintain a high pressure to all systems. allow continued pressure to essential systems during times of reduced supply. dampen pressure inputs.

Where is the temperature overheat switch located in a hydraulic pump?. In the suction line. In the pressure line. In the case drain.

What happens if a component has an internal hydraulic leak?. Increase in fluid pressure. Increase in fluid temperature. Fluid loss.

What happens to hydraulic fluid when it is overheated?. Increase alkalinity. Increase acidity. Increase viscosity.

How is the hydraulic pump depressurising solenoid actuated?. Energised both open and closed depending on cockpit selection. Energised Closed for fail-safe. Energised Open.

How do you prevent hydraulic fluid frothing?. By pressurising. Vent Reservoir to atmosphere. Pass over a tray.

Accumulators as fitted to aircraft hydraulic systems. are only ever used in an emergency. store fluid under pressure. provide additional fluid if leaks occur.

A Skydrol hydraulic fluid seal would be made of. natural rubber. synthetic rubber. butyl rubber, ethylene propylene or Teflon.