Range and Endurance for Aircraft with Power Producing Engines Online Exam Quiz
Range and Endurance for Aircraft with Power Producing Engines GK Quiz. Question and Answers related to Range and Endurance for Aircraft with Power Producing Engines. MCQ (Multiple Choice Questions with answers about Range and Endurance for Aircraft with Power Producing Engines
At steady state flight condition
Options
A : T>D
B : T<D
C : T=D
D : T?D
Specific air range is maximum when the aircraft is flying at minimum drag speed.
Options
A : TRUE
B : FALSE
C : -
D : -
Specific endurance is maximum when the aircraft is flying at minimum drag speed.
Options
A : TRUE
B : FALSE
C : -
D : -
The minimum drag mach number is given by ___
Options
A : \big(\frac{2W}{\rho S}\big)^{\frac{1}{2}}\big(\frac{K}{C_{Dz}}\big)^\frac{1}{4}
B : \big(\frac{2W}{\gamma \rho S}\big)^{\frac{1}{2}}\big(\frac{K}{C_{Dz}}\big)^\frac{1}{4}
C : \big(\frac{2W}{\rho S}\big)^{\frac{1}{2}}\big(\frac{K}{C_{Dz}}\big)^\frac{1}{2}
D : \big(\frac{2W}{\gamma \rho S}\big)^{\frac{1}{2}}\big(\frac{K}{C_{Dz}}\big)^\frac{1}{2}
The minimum drag speed is given by ___
Options
A : \big(\frac{2W}{\rho S}\big)^{\frac{1}{2}}\big(\frac{K}{C_{Dz}}\big)^\frac{1}{4}(2W?S ) 12 (KC Dz ) 14
B : \big(\frac{2W}{\gamma \rho S}\big)^{\frac{1}{2}}\big(\frac{K}{C_{Dz}}\big)^\frac{1}{4}
C : \big(\frac{2W}{\rho S}\big)^{\frac{1}{2}}\big(\frac{K}{C_{Dz}}\big)^\frac{1}{2}
D : \big(\frac{2W}{\gamma \rho S}\big)^{\frac{1}{2}}\big(\frac{K}{C_{Dz}}\big)^\frac{1}{2}
What is the relation between specific air range and specific enurance?
Options
A : SAR=V*SE
B : SAR=\frac{V}{SE}
C : SE=V*SAR
D : SE=\frac{V}{SAR}
What is the value of minimum power speed when minimum drag speed is 300m/s?
Options
A : 173.21 m/s
B : 227.95 m/s
C : 134.16 m/s
D : 200.62 m/s
What is the value of specific air range where the lift to drag ratio is 10, weight is 50000N, efficiency is 85% and specific fuel consumption is 7.43 kg/kW-hr?
Options
A : 3000km
B : 4000 km
C : 1000km
D : 5000km
What is the value of specific endurance where the lift to drag ratio is 10, weight is 50000N, efficiency is 85% , velocity is 250m/s and specific fuel consumption is 7.43 kg/kW-hr?
Options
A : 30hr
B : 57.6hr
C : 10hr
D : 50hr
Which of the following is the correct formula for specific air range?
Options
A : SAR=\frac{\eta}{C}\frac{L}{D}\frac{1}{W}
B : SAR=\frac{1}{PC}
C : SAR=\frac{\eta W}{C}\frac{L}{D}
D : SAR=\frac{1}{C}\frac{L}{D}\frac{1}{W}
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