Conceptual Sketch Sizing - Fuel-Fraction Estimation-2 Online Exam Quiz

Conceptual Sketch Sizing - Fuel-Fraction Estimation-2 GK Quiz. Question and Answers related to Conceptual Sketch Sizing - Fuel-Fraction Estimation-2. MCQ (Multiple Choice Questions with answers about Conceptual Sketch Sizing - Fuel-Fraction Estimation-2

A fighter jet is flying with wing span of 90ft. If mean aerodynamic chord MAC is at 30ft from tip chord then, to design such wing which type of planform should I use?

Options

A : Delta

B : Rectangular

C : Square

D : Triangle

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A jet aircraft is cruising at 12000ft. What will be the cruise leg (mission phase 'n') weight fraction?

Options

A : Wn/Wn-1 = e^{\left(-\frac{R*C}{V*\frac{L}{D}}\right)}

B : Wn/Wn+1 = e^{\left(-\frac{R*C}{V*\frac{L}{D}}\right)}

C : Wn/Wn-2 = e^{\left(-\frac{R*C}{V*\frac{L}{D}}\right)}

D : Wn/Wn-1 = e^{\left(-\frac{R*C}{V*\frac{L}{D}}\right)}

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A prop-driven aircraft is cruising with 90% propeller efficiency. If, range of aircraft is 7*106 ft, C=1.38*10-7 s-1 and L/D = 14 then what will be the fuel weight fraction for the cruise?

Options

A : 0.9216

B : 0.9261

C : 0.9289

D : 0.9365

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An Aircraft has gross weight of 10000lb. At the end of the mission segment it has weight fraction as 0.985. Determine fuel consumed for this mission.

Options

A : 150lb

B : 150kg

C : 60kg

D : 60lb

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An unstable A/C configuration is a typical wing-aft tail body. IF MAC is 4m then, what would be the approximated location of the CG?

Options

A : 2m

B : 5m

C : 6m

D : 7m

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As a designer, our task is to design wing layout such that the location of MAC from root chord or centre line is at 8ft. Find the appropriate value of the wingspan if wing is rectangular.

Options

A : 32ft

B : 50ft

C : 28m

D : 32m

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Choose appropriate option for cruise mission leg weight fraction.

Options

A : Breguet endurance formula

B : Breguet range formula

C : Cruise invert method

D : Breguet approximation

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Fuel consumption during cruise is affected by wetted area.

Options

A : TRUE

B : FALSE

C : -

D : -

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How will you determine climb mission weight fraction?

Options

A : Climb Endurance

B : Loiter

C : Always constant

D : Cruise Speed

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If all the other factors remain unchanged and only aerodynamic efficiency of the aircraft is doubled then, what will be the cruise segment fuel weight fraction?

Options

A : Will increase

B : Will decrease

C : Will remain same

D : Will be independent of aerodynamic efficiency

View Answer

Aerodynamic Coefficients more Online Exam Quiz

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Conceptual Design Process

Conceptual Sketch Sizing - Empty-Weight Estimation

Conceptual Sketch Sizing - Fuel-Fraction Estimation-1

Conceptual Sketch Sizing - Takeoff-Weight Buildup

Conceptual Sketch Sizing - Takeoff-Weight Calculation

Configuration Layout - Aerodynamic Considerations-1

Configuration Layout - Aerodynamic Considerations-2

Configuration Layout - Conic Fuselage Development