What causes to the air data probes become heated when the aircraft is parked in maintenance with engines shutdown? a. Probe heat computer, ElU or LGCIU circuit breakers pulled cause the probes heating switched ON. b. Probe heat computer, ElU or CFDIU circuit breaker pulled cause the probes heating switched ON. c. 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? a. Blue hydraulic system. b. Green hydraulic system c. Yellow hydraulic system. What is displayed in the cockpit if the flight crew oxygen pressure drops below the minimum operating pressure? a. REGUL LO PR is shown amber on the AIR COND page. b. REGUL LO PR is shown amber on the DOOR/OXY page. c. REGUL LO PR is shown amber on the ventilation panel
pushbutton. What indicates a number 1 on a pipe label identification? a. Blue hydraulic system. b. Green hydraulic system c. Yellow hydraulic system. How long is used the wing anti-ice on ground? a. 30 seconds for test functions after select the pushbutton ON. b. 30 seconds for test functions after select the pushbutton in
AUTO. c. 30 min. for test functions after select the pushbutton ON. What is the concept of LEAK in the hydraulic system? a. A leak is a quantity of fluid on the surface of a component that is sufficient to become a drop. b. A leak is a quantity of fluid on the surface of a component that is not sufficient to become a drop. c. A leakage is a quantity of fluid on a component that is sufficient to become a drop. What is the normal source of pressure for the green hydraulic system? a. On the green system the normal source of pressure is the electrical pump (E-Pump) and as an auxiliary source the EDP. b. On the green system the normal source of pressure is the EDP and the PTU as an auxiliary source. c. On the green system the normal source of pressure is PTU and as an auxiliary source the EDP. On the passengers oxygen system, how is reseted the electrical circuit after system operation? a. The MASTER WARNING P/B SW MUST BE PRESSED. b. The MASK MANUAL ON P/B SW MUST BE PRESSED. c. The OXYGEN TMR RESET P/B SW MUST BE PRESSED. What is the failsafe condition of the PTU solenoid valves? a. Safe life open. b. Fail safe closed. c. Fail safe open. What is the function of the interlock mechanism in the Ram Air Turbine? a. The interlock mechanism will only permit RAT stowage if the blades are properly aligned, it also prevents rotation when stowed. b. The interlock mechanism will only permit RAT deployment if the blades are properly aligned, it also prevents rotation when stowed. c. The interlock mechanism will only permit RAT stowage if the blades are properly aligned, it also permit rotation when stowed. When the PTU will runs automatically? a. When the differential pressure between the green and yellow circuits is greater than 500 psi (34.5 bar) b. When the differential pressure between the green and blue circuits is greater than 500 psi (34.5 bar) c. When the differential pressure between the green and yellow circuits is lower than 500 psi (34.5 bar). The Engine Interface Unit (EIU) energizes the: a. Oil low-pressure and flight relays b. Oil low-pressure and ground relays c. High oil low-pressure and ground relays. What is the normal source of pressure for the blue hydraulic system? a. 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. b. On the blue system the normal source of pressure is the electrical pump (E-Pump) and as a auxiliary source the PTU. c. On the blue system the normal source of pressure is the electrical pump (E-Pump) and as a auxiliary source the Ram Air Turbine (RAT). What statement about windshield heating is correct? a. The windshield heating operates at high power on ground and at low power in flight. b. The windshield heating operates at mid power on ground and at high power in flight. c. The windshield heating operates at low power on ground and at high power in flight. What message is displayed in the cockpit if least one of the engine anti-ice protection is selected ON? a. The message ENG A.ICE appears in green on the UPPER ECAM MEMO display. b. The message ENG A.ICE appears in amber on the UPPER ECAM MEMO display c. The message ENG A.ICE appears in green on the UPPER ECAM STS display. All the reservoirs are pressurized to? a. 77 psi to prevent pump depressurization b. 50 psi to prevent pump cavitation. c. 50 psi to prevent high pressure demands. Where is installed the altitude pressure switch? a. Avionics compartment. b. Fwd cargo compartment c. Overhead panel. What type of indicator is located on all hydraulic accumulators? a. Air pressure accumulator. b. Oil pressure accumulator. c. Nitrogen pressure accumulator. On the flight crew oxygen system the oxygen flow is indicated by? a. The blinker showing red and an OXY ON flag which appears on the left door when closed. b. The blinker showing green and an OXY ON flag which appears on the left door when closed. c. The blinker showing yellow and an OXY ON flag which appears
on the left door when closed. What statement about PIPE ROUTING is correct? a. There are no hydraulic pipes in the passenger cabin or flight compartment. b. There are hydraulic pipes in the passenger cabin or flight compartment. c. There are no hydraulic pipes in the cargo compartments cabin or flight compartment. What is the purpose of the air pressure switch in the Yellow system? a. 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). b. 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). c. 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). How long is the time delay to de-energi.e the oxygen container solenoid
of the passengers? a. 15 to 25 minutes. b. 30 seconds. c. 6 seconds.
