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Aero 315 – 90 Exam Questions & Answers on Aerodynamics, Bernoulli, NACA Airfoils | Aerospace Engineering Course 2026

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This document contains 90 expert-verified exam questions and answers for Aero 315 GR 1 (2026), covering foundational and advanced topics in aerodynamics and aircraft design. The material includes the Engineering Method, historical development of aircraft, compressible and incompressible flow, continuity equation, Bernoulli’s equation, Mach number, Reynolds number, boundary layer theory, lift and drag, induced drag, pressure gradients, airfoil theory, and wind tunnel similarity principles. The question-and-answer format provides detailed numerical applications involving density calculations, manometer equations, dynamic pressure, calibrated and true airspeed conversions (KIAS, KCAS, KEAS, KTAS), Reynolds number matching in water tunnels, lift coefficient calculations using Cl = L/(qS), and NACA 4-digit airfoil decoding. It also addresses aerodynamic performance comparisons between 2-D airfoils and finite 3-D wings, aspect ratio analysis, wingtip vortices, stall behavior, and induced drag effects. The content aligns with standard undergraduate Aerospace Engineering and Aeronautical Engineering curricula, particularly courses focused on Aerodynamics I, Fluid Mechanics for Aerospace Applications, and Aircraft Performance. It is directly linked to commonly used aerodynamics textbooks such as “Fundamentals of Aerodynamics” by John D. Anderson Jr., especially sections addressing Bernoulli’s equation, boundary layers, similarity parameters, and airfoil performance charts. This document is particularly useful for students enrolled in Aerospace Engineering, Aeronautical Engineering, Mechanical Engineering (aerodynamics focus), and Air Force or military aviation academic programs. It is also relevant for cadets preparing for aerodynamics examinations, flight test theory modules, or wind tunnel laboratory assessments. Keywords: engineering method, aircraft design principles, Bernoulli equation assumptions, continuity equation, compressible flow, incompressible flow, Mach number calculation, Reynolds number similarity, boundary layer transition, laminar vs turbulent flow, pressure drag, induced drag, adverse pressure gradient, NACA 4 digit airfoil, lift coefficient calculation, wind tunnel testing, aspect ratio analysis, wingtip vortices, airspeed conversions, aerodynamic performance

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Institution
Aero 315
Course
Aero 315

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Aero 315 GR 1 Prep 2026 Expert
Verified | Ace the Test



Reason for designing new aircraft - 🧠 ANSWER ✔✔response to a need

from customer (i.e. changes in doctrine, politics, existing systems old, and

need of new technology)


Steps of Engineering Method - 🧠 ANSWER ✔✔Define the problem




Collect data

, Synthesize one or more design concepts




Select best alternatives




Make decision on choice

Describe how EM used in framing and resolving ill-defined problems - 🧠

ANSWER ✔✔Define - problems for which only partial information is

available and more than one solution can be acceptable;




EM helps by assembling and reviewing info you know, creating and

analyzing possible solutions to get info you don't know, and repeat cycle

until success

Identify major figures in history of aircraft design and contributions - 🧠

ANSWER ✔✔Chinese first to fly

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Aero 315
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Aero 315

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Uploaded on
February 23, 2026
Number of pages
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Written in
2025/2026
Type
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Questions & answers

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