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An aircraft with a mass of 5000 kg takes off from sea level with a forward speed of 50 m/s and starts to climb with a climb angle of 15 degree. What is the rate of climb and excess thrust available at the start of the climb?

An aircraft with a mass of 5000 kg takes off from sea level with a forward speed of 50 m/s …

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Kisan Kumar Asked on 11th October 2019 in Flight mechanics.

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An aircraft is performing a coordinated turn maneuver at a bank angle of 30 degree and forward speed of 100 m/s. Assume g=9.81 m/s^2 . What is the load factor and turn radius respectively?

An aircraft is performing a coordinated turn maneuver at a bank angle of \(30\) degree and forward speed of \(100\; …

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Kisan Kumar Asked on 11th October 2019 in Flight mechanics.

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A low speed wind tunnel has a contraction ratio of 14:1 and the cross-sectional area of the test section is 1m^2. The static pressure difference between the settling chamber and the test section is 40 cm of water column. Assume g=9.81m/s2,ρ_air=1.2kg/m3 and ρ_water=1000kg/m3. What is the speed of air in the test section?

A low speed wind tunnel has a contraction ratio of \(14:1\) and the cross-sectional area of the test section is …

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Kisan Kumar Asked on 10th October 2019 in Aerodynamics.

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A rocket engine is tested on a test bed under the ideal condition of fully expended jet. The exhaust velocity is \(2\; km/s\) through a nozzle of area \(2.5\;m^{2}\). The mass flow rate is \(200 \;kg/s\). What is the specific impulse of the propellant and the thrust developed?

A rocket engine is tested on a test bed under the ideal condition of fully expended jet. The exhaust velocity …

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Kisan Kumar Asked on 11th October 2019 in Rocket and Space propulsion.

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Find the total temperatures at the exit of the air intake and the compressor respectively.

A jet engine is operating at a Mach number of \(0.8\) at an altitude of \(10 \;km\).The efficiency of the …

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Kisan Kumar Asked on 10th October 2019 in Propulsion.

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A turbojet powered aircraft is flying at Mach number 0.8 at an altitude of10 km. What is the thrust of the engine?

A turbojet powered aircraft is flying at Mach number \(0.8 \) at an altitude of \(10\; km\). The inlet and …

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Kisan Kumar Asked on 10th October 2019 in Propulsion.

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What should be the location of center of gravity for an airplane to be statically stable?

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Kisan Kumar Asked on 10th October 2019 in Flight mechanics.

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In an unpowered glide of an aircraft having weight w, lift L and drag D, how will the equilibrium glide angle will be defined ?

In an unpowered glide of an aircraft having weight w, lift L and drag D, how will the equilibrium glide …

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Kisan Kumar Asked on 9th October 2019 in Flight mechanics.

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Consider a single degree of freedom spring-mass system of spring stiffness \(k_{1}\) and mass m which has a natural frequency of 10 rad/s. What will be the spring stiffness \(k_{2} \)?

Consider a single degree of freedom spring-mass system of spring stiffness \(k_{1}\) and mass m which has a natural frequency …

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Kisan Kumar Asked on 9th October 2019 in Control system.

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Consider a single degree of freedom spring-mass-damper system with mass, damping and stiffness of m , c and k respectively. What is the logarithmic decrement of this system?

Consider a single degree of freedom spring-mass-damper system with mass, damping and stiffness of m , c and k respectively. …

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Kisan Kumar Asked on 9th October 2019 in Control system.

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