Test 10 Questions ATPL - Airline Transport Pilot license - Performance, no time limit

1 - Two identical turbojet aeroplanes (whose specific fuel consumption is assumed to be constant) are in a holding pattern at the same altitude. The mass of the first one is 95000 kg and its hourly fuel consumption is equal to 3100 kg/h. Since the mass of the second one is 105000 kg, its hourly fuel consumption is:
2 - With zero wind, the angle of attack for maximum range for an aeroplane with turbojet engines is:
3 - The danger associated with low speed and/or high speed buffet
4 - The climb gradient of an aircraft after take-off is 6% in standard atmosphere, no wind, at 0' pressure altitude.Using the following corrections:'± 0.2 % / 1000' field elevation''± 0.1 % / °C from standard temperature' '- 1 % with wing anti-ice''- 0.5% with engine anti-ice'The climb gradient after take-off from an airport situated at 1000', 17°C
5 - A four jet-engine aeroplane (mass = 150 000 kg) is established on climb with all engines operating. The lift-to-drag ratio is 14.Each engine has a thrust of 75 000 Newton. The gradient of climb is: (given: g= 10 m/s 2)
6 - A jet aeroplane is climbing at a constant IAS and maximum climb thrust, how will the climb angle / the pitch angle change?
7 - Which of the following will decrease V1?
8 - Density altitude is the:
9 - The speed V2 is:
10 - The point at which a tangent out of the origin touches the power required curve