Test 3 - EM42

What is the concept of LEAK in the hydraulic system? Select one: A leak is a quantity of fluid on the surface of a component that is sufficient to become a ddrop. A leak is a quantity of fluid on the surface of a component that is not sufficient to become a ddrop. A leakage is a quantity of fluid on the surface of a component that is sufficient to become a ddrop.

What causes to the air data probes become heated when the aircraft is parked in maintenance with the engine shutdown? Select one: Probe heat computer, EIU or LGCIU circuit breakers pulled cause the probes heating switched ON. Probe heat computer, EIU or CFDIU circuit breakers pulled cause the probes heating switched ON. Probe heat computer, EIU or LGCIU circuit breakers pulled cause the probes heating switched OFF.

What indicates a number 2 on a pipe label identification? Select one: Blue hydraulic system. Green hydraulic system. Yellow hydraulic system.

What is displayed in the cockpit if the flight crew oxygen pressure drops below the minimum operating source? Select one: REGUL LO PR is shown amber on the AIR COND page. REGUL LO PR is shown amber on the DOOR/OXY page. REGUL LO PR is shown amber on the ventilation panel pushbutton.

What indicates a number 1 on a pipe label identification? Select one: Blue hydraulic system. Green hydraulic system. Yellow hydraulic system.

How long is used the wing anti-ice on ground? Select one: 30 seconds for test functions after select the pushbutton ON. 30 seconds for test functions after select the pushbutton in AUTO. 30 minutes for test functions after select the pushbutton ON.

What is the normal source of pressure for the green hydraulic system? Select one: On the green system the normal source of pressure is the electrical pump (E-pump) and as an auxiliary source the EDP. On the green system the normal source of pressure is the EDP and the PTU as an auxiliary source. On the green system the normal source of pressure is PTU and as an auxiliary source the EDP.

Which precautions must be taken when using rain repellent? Select one: If the fluid gets on the aircraft structure, wash in the next maintenance visit with soap and water. If the fluid gets on the aircraft structure, wash immediately with soap and water. If the fluid gets on the aircraft structure, wash immediately with any approved solvent.

On the passengers oxygen system, how is reseted the electrical circuit after system operation? Select one: The MASTER WARNING p/bsw must be pressed. The MASK MANUAL ON p/bsw must be pressed. The OXYGEN TMR RESET p/bsw must be pressed.

What is the fail-safe condition of the PTU solenoid valves? Select one: Safe life open. Fail safe closed. Fail safe open.

Which is the purpose of the pressure relief valve, installed on each reservoir? Select one: Relieves pressure to the accumulator in the event of a system overpessure. The threshold of the pressure relief valve is 77 PSI (5.3 bar). Relieves pressure to the atmosphere in the event of a system overpessure. The threshold of the pressure relief valve is 77 PSI (5.3 bar). Relieves pressure to the accumulator in the event of a system overpessure. The threshold of the pressure relief valve is 77 bar (5.3 PSI).

What is the function of the interlock mechanism in the Ram Air Turbine? Select one: The interlock mechanism will only permit RAT stowage if the blades are properly aligned, it also prevents rotation when stowed. The interlock mechanism will only permit RAT deployment if the blades are properly aligned, it also prevents rotation when stowed. The interlock mechanism will only permit RAT stowage if the blades are properly aligned, it also permit rotation when stowed.

When the PTU runs automatically? Select one: When the differential pressure between the green and yellow circuitrs is greater than 500 PSI (34.5 bar). When the differential pressure between the green and blue circuitrs is greater than 500 PSI (34.5 bar). When the differential pressure between the green and yellow circuitrs is lower than 500 PSI (34.5 bar).

The Engine Interface Unit (EIU) energizes the: Select one: Oil low pressure and flight relays. Oil low pressure and ground relays. High oil low pressure and ground relays.

What is the normal source of pressure for the blue hydraulic system? Select one: On the blue system the normal source of pressure is the Ram Air Turbine (RAT) and the electrical pump (E-pump) as an auxiliary source. On the blue system the normal source of pressure is the electrical pump (E-pump) and as an auxiliary source the PTU. On the blue system the normal source of pressure is the electrical pump (E-pump) and as an auxiliary source the Ram Air Turbine (RAT).

What statement about windshield heating is correct? Select one: The windshield heating operates at high power on ground and at low power in flight. The windshield heating operates at mid power on ground and at high power in flight. The windshield heating operates at low power on ground and at high power in flight.

What components become inoperative if the cargo doors are operated? Select one: The PTU is inhibited, yellow leak measurement valve closes and a signal is sent to the SFCC 1 to prevent flap movement. The PTU is inhibited, yellow leak measurement valve closes and a signal is sent to the SFCC 2 to prevent flap movement. The PTU is inhibited, green leak measurement valve opens and a signal is sent to the SFCC 2 to prevent flap movement.

What message is displayed in the cokcpit if least one of the engine anti-ice protection is selected ON? Select one: The message ENG A. ICE appears in green on the UPPER ECAM MEMO display. The message ENG A. ICE appears in amber on the UPPER ECAM MEMO display. The message ENG A. ICE appears in green on the UPPER ECAM STS display.

All the reservoirs are pressurized to? Select one: 77 PSI to prevent pump depressurization. 50 PSI to prevent pump cavotation. 50 PSI to prevent high pressure demands.

Where is installed the altitude pressure switch? Selec one: Avionics compartment. FWD cargo compartment. Overhead panel.

What type of indicator is located on all hydraulic accumulators? Select one: Air pressure accumulator. Oil pressure accumulator. Nitrogen pressure accumulator.

On the flight crew oxygen system the oxygen flow indicated by? Select one: The blinker showing red and an OXY ON flag which appears on the left door when closed. The blinker showing green and an OXY ON flag which appears on the left door when closed. The blinker showing yellow and an OXY ON flag which appears on the left door when closed.

What statement about PIPE ROUTING is correct? Select one: There are no hydraulic pipes in the passenger cabin or flight compartment. There are hydraulic pipes in the passenger cabin or flight compartment. There are no hydraulic pipes in the cargo compartemnts cabin or flight compartment.

What is the purpose of the air pressure switch in the yellow system? Select one: The air pressure switch monitors the accumulator air pressure for EFIS indications the threshold of the air pressure switch is 1450 PSI (99.5 bar). The air pressure switch monitors the reservoir air pressure for ECAM indications the threshold of the air pressure switch is 22 PSI (1.52 bar). The air pressure switch monitors the reservoir air pressure for ECAM indications the threshold of the air pressure switch is 1450 PSI (99.5 bar).

During a preflight inspection, what indicates that the crew portable oxygen system has been open? Select one: The starter has been activated for the lanyard. The serviceable indicator is broken. The oxygen bottle is empty.

How long is the time delay to de-energize the oxygen container solenoid of the passengers? Select one: 15 to 25 minutes. 30 seconds. 6 seconds.

What happens in the cabin after a failure of a drain mast heater? Select one: The indication appears on the FAP, the LAV will not be usable and has to be dispatched closed and locked with the water connection open. The indication appears on the System Display, the LAV related will not be usable and has to be dispatched closed and locked with the water connection closed. The indication appears on the FAP, the LAV will not be usable and has to be dispatched closed and locked with the water connection closed.

Which indicators are located on all hydraulic reservoirs? Select one: Fluid and nitrogen over pressure. Air pressure and fluid quantity. Nitrogen and fluid pressure.

Which component maintains the operation of essential system by cutting off hydraulic power to heavy load users in the event of low hydraulic pressure? Select one: Leak measurement valve. Priority valves. Safety valves.

What is the purpose of the cabin PBE? Select one: The PBE gives breathing means and hands protection only in case emission of smoke and noxious gases. The PBE gives breathing means and eyes protection in case of a fire and emission of smoke and noxious gases. The PBE gives breathing means and ears protection only in case of a fire and emission of smoke and noxious gases.

When operates the clogging indicator of the HP filter in the green system? Select one: The clogging indicator operates when the differential pressure is higher than 87 ± 8.7 PSI (6 ± 0.6 bar). The clogging indicator operates when the differential pressure is lower than 87 ± 8.7 PSI (6 ± 0.6 bar). The clogging indicator operates when the differential pressure is higher than 82 ± 8.7 PSI (6 ± 0.6 bar).

How is the Wing Anti-Ice (WAI) controlled? Select one: Single pushbutton switch on the anti ice panel. Single pushbutton switch on the anti ice center pedestal. The double wing pushbutton switch on the anti ice panel.

What is the purpose of the air pressure switch in the blue system? Select one: The air pressure switch monitors the reservoir air pressure for ECAM indications the threshold of the air pressure switch is 22 PSI (1.52 bar). The air pressure switch monitors the accumulator air pressure for EFIS indications the threshold of the air pressure switch is 1450 PSI (99.5 bar). The air pressure switch monitors the reservoir air pressure for ECAM indications the threshold of the air pressure switch is 1450 PSI (99.5 bar).

Which computer stores failure data for the WAI system? Select one: AEVC. ACSC. WHC.

What color is displayed in the overboard indicator before of an overpessure on the flight crew oxygen system? Select one: The disc is displayed green. The disc is displayed yellow. The disc is displayed red.

What color is displayed in the overboard indicator after of an overpessure on the flight crew oxygen system? Select one: The disc is displayed red. The disc is displayed green. The disc is displayed yellow.

In order to provide reliable information for air data system, the air data probes are heated? Select one: AUTOMATICALLY when at least one engine is running. AUTOMATICALLY when both engines is running. AUTOMATICALLY when the engines are shutdown.

When the PTU is inhibited? Select one: On ground, for cargo door operation and during the second engine, if parking brake is set on or nose wheel steering is disconnected for towing. On ground, for cargo door operation and during the first engine, if parking brake is set off or nose wheel steering is disconnected for towing. On ground, for cargo door operation and during the first engine, if parking brake is set on or nose wheel steering is disconnected for towing.

The chemical generator offer oxygen to the PBE for about? Select one: 25 minutes. 20 minutes. 23 minutes.