FAA (03)

If the positive field lead between a generator and a generator control panel breaks and is shorted while the engine is running, a voltmeter connected to generator output would indicate. residual voltage. zero voltage. normal voltage.

When inspecting a fuel system, you should check all valves located downstream of boost pumps with the pumps. operating. at idle. dormant.

What is the minimum bend radius for an electrical wire bundle?. Ten times the outside diameter of the bundle. Five times the outside diameter of the bundle. Three times the outside diameter of the bundle.

The acute angle formed by the chord line of a wing and the relative wind is known as the. angle of attack. longitudinal dihedral angle. angle of incidence.

A radar altimeter determines altitude by. transmitting a signal and receiving back a reflected signal. receiving signals transmitted from ground radar stations. means of transponder interrogation.

Which of the following would give the first positive indication that a change-over from one fuel tank to another is needed?. Fuel pressure warning. Fuel pressure gauge. Fuel quantity indicator.

What is required when operating two aircraft AC generators in parallel?. Frequency and voltage must both be equal. ( O AL REVERSO : V and F ). Amperes and frequency must both be equal. Amperes and voltage must both be equal.

The main system pressure relief valve in a simple hydraulic system equipped with a power control valve should be adjusted. with the power control valve held in the CLOSED position. while one or more actuating units are in operation. with the power control valve in the OPEN position.

When fuel quantity is measured in pounds instead of gallons, the measurement will be more accurate because fuel volume. varies with temperature change. increases when temperature decreases. varies with changes in atmospheric pressure.

The general rule for finding the proper rivet diameter is. three times the thickness of the thickest sheet. three times the thickness of the materials to be joined. two times the rivet length.

Unless otherwise specified, the radius of a bend is the. inside radius of the metal being formed. inside radius plus one-half the thickness of the metal being formed. radius of the neutral axis plus one-half the thickness of the metal being formed.

A certain switch is described as a single-pole, double-throw (SPDT) switch. The throw of a switch indicates the number of. circuits each pole can complete through the switch. terminals at which current can enter or leave the switch. places at which the operating device (toggle, plunger, etc.) will come to rest and at the same time open or close a circuit.

The voltage output of an alternator may be regulated by controlling the. voltage output of the dc exciter. speed of the alternator. resistance in the rotor windings.

De mas. Si. No. No.

Unloading valves are used with many engine-driven hydraulic pumps to. relieve the pump pressure. dampen out pressure surges. relieve system pressure.

A piece of sheet metal is bent to a certain radius. The curvature of the bend is referred to as the. bend radius. bend allowance. neutral line.

Annealing of aluminum. removes stresses caused by forming. increases the tensile strength. makes the material brittle.

When an unpressurized aircraft's static pressure system is leak checked to comply with the requirements of 14 CFR 91.411, what aircraft instrument may be used in lieu of a pitot-static system tester?. Altimeter. Airspeed indicator. Vertical speed indicator.

What is the main purpose of a servo in an autopilot system?. Move the control surface as commanded. Correct for displacement of the aircraft about its axis. Change mechanical energy to electrical energy.

What type of packings should be used in hydraulic components to be installed in a system containing Skydrol?. Packing materials made for ester-base fluids. AN packings made of natural rubber. AN packings made of neoprene.

In an operating vapor-cycle cooling system, if the two lines connected to the expansion valve are essentially the same temperature, what does this indicate?. The expansion valve is not metering freon properly. The system is functioning normally. The compressor is pumping too much refrigerant.

What is the operating principle of the sensing device used in an autopilot system?. The relative motion between a gyro and its supporting system. The reaction of the force 90° away from the applied force in the direction of gyro rotation. The rate of change of motion between the gyro gimbal rings and the aircraft.

Microbial growth is produced by various forms of microorganisms that live and multiply in the water interfaces of jet fuels. Which of the following could result if microbial growth exists in a jet fuel tank and is not corrected?. Interference with fuel flow, interference with fuel quantity indicators, and electrolytic corrosive action in a metal tank. Interference with fuel quantity indicators, engine seizure, or a lower grade rating of the fuel. Lower grade rating of the fuel or electrolytic corrosive action in a rubber tank.

How can it be determined if a transformer winding has some of its turns shorted together?. The transformer will get hot in normal operation. Measure the input voltage with an ohmmeter. The output voltage will be high.

Which of the following are characteristics of a chemical or solid-state oxygen system?. A volume storage capacity about three times that of compressed oxygen and system generators that are inert below 400°F, even under severe impact. An adjustable oxygen release rate and a volume storage capacity about three times that of compressed oxygen. System generators are inert below 400°F, even under severe impact, and a distribution and regulating system similar to gaseous oxygen systems.

What is the minimum edge distance allowed for aluminum alloy single lap sheet splices containing a single row of rivets as compared to a joint with multiple rows, all rivets being equal in diameter?. The minimum edge distance for the single row is equal to that for the multiple row. The minimum edge distance for the single row is greater than that for the multiple row. The minimum edge distance for the single row is less than that for the multiple row.

Which of the following may be used for the repair of fuel leaks on most integral fuel tanks?. Riveting and resealing. Welding and resealing. Brazing and resealing.

When comparing the machining techniques for stainless steel sheet material to those for aluminum alloy sheet, it is normally considered good practice to drill the stainless steel at a. lower speed with more pressure applied to the drill. higher speed with less pressure applied to the drill. lower speed with less pressure applied to the drill.

Why is it necessary to use flux in all silver soldering operations?. To chemically clean the base metal of oxide film. To prevent overheating of the base metal. To increase heat conductivity.

A fuel jettison system is required under certain conditions if the maximum takeoff weight exceeds the maximum landing weight. What regulations cover the requirements of fuel jettisoning?. 14 CFR Parts 23 and 25 and CAM 4b. 14 CFR Parts 21 and 43 and CAM 4. 14 CFR Parts 43 and 91.

How is the cabin pressure of an aircraft maintained in flight?. By controlling the rate of the air flowing out of the cabin. By controlling the rate of the air flowing into the cabin. By inflating the door seals and recirculating the conditioned cabin air.

Which of the following connects vacuum to the deicer boots when the system is not in operation, to hold the boots tightly against the leading edges in flight?. Distributor valve. Vacuum relief valve. Ejector.

The length of a rivet to be used to join a sheet of .032-inch and .064-inch aluminum alloy should be equal to. one and one-half times the rivet diameter plus .096 inch. two times the rivet diameter plus .064 inch. three times the rivet diameter plus .096 inch.

To be eligible for recharging, a DOT 3HT oxygen cylinder must have been hydrostatically tested every three years and be retired from service after. 24 years or 4,380 filling cycles. 24 years or 1,850 filling cycles. 10 years or 5,000 filling cycles.

What component might possibly be damaged if liquid refrigerant is introduced into the low side of a vapor-cycle cooling system when the pressure is too high or the outside air temperature is too low?. Compressor. Condenser. Evaporator.