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Aircraft Performance
Aircraft Performance Multiple Choice
Quiz 1
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Q.1
Which of the following is the correct performance equation for power-producing engines?
a) ηV=PD
b) ηD=PV
c) ηP=VD
d) V=ηPD
Q.2
What is the unit of specific fuel consumption?
a) kg/kW-sec
b) kg/W-hr
c) kg/hr
d) kg/kW-hr
Q.3
What is the value of specific fuel consumption where the fuel heating is 42,800kJ/kg and power produced iskW-hr?
a) 0.135 kg/kW-hr
b) 7.43 kg/W-hr
c) 1.546 kg/kW-hr
d) 7.43 kg/kW-hr
Q.4
Specific air range is maximum when the aircraft is flying at minimum drag speed.
a) True
b) False
Q.5
Specific endurance is maximum when the aircraft is flying at minimum drag speed.
a) True
b) False
Q.6
What is the value of specific air range where the lift to drag ratio isweight is 50000N, efficiency isand specific fuel consumption is 7.kg/kW-hr?
a) 3000km
b) 4000 km
c) 1000km
d) 5000km
Q.7
What is the value of specific endurance where the lift to drag ratio isweight is 50000N, efficiency is, velocity is 250m/s and specific fuel consumption is 7.kg/kW-hr?
a) 30hr
b) 57.6hr
c) 10hr
d) 50hr
0 h : 0 m : 1 s
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