The sum of all forces acting on a body in static equilibrium is: a) Equal to zero b) Equal to the weight of the body c) Equal to the velocity of the body d) Equal to the acceleration of the body Answer: a) Equal to zero The moment of a force about a point is … Read more
In mechanics, a force is defined as: a) A push or pull on an object b) The mass of an object c) The speed of an object d) The distance an object moves Answer: a) A push or pull on an object Newton’s First Law of Motion states that an object at rest will stay … Read more
The unit of electric charge is the: a) Volt b) Ohm c) Ampere d) Coulomb Answer: d) Coulomb The magnetic field around a current-carrying wire forms: a) A straight line b) A circular path c) A rectangular path d) An elliptical path Answer: b) A circular path Faraday’s Law of Electromagnetic Induction states that: a) … Read more
The first law of thermodynamics is essentially a statement of the conservation of: a) Energy b) Momentum c) Mass d) Force Answer: a) Energy The second law of thermodynamics introduces the concept of: a) Entropy b) Enthalpy c) Internal energy d) Heat capacity Answer: a) Entropy In a closed system, the change in internal energy … Read more
Newton’s first law of motion states that an object at rest will stay at rest unless acted on by: a) A balanced force b) An unbalanced force c) Gravity d) Friction Answer: b) An unbalanced force The SI unit of force is: a) Joule b) Watt c) Newton d) Pascal Answer: c) Newton The center … Read more
1. What is the lift force on an aircraft primarily generated by? a) Engine thrust b) Wing shape and airflow c) Aircraft weight d) Rudder deflection Answer: b) Wing shape and airflow 2. In a steady level flight, the lift generated by the aircraft is equal to: a) The drag force b) The thrust c) … Read more
In linear algebra, a matrix is called singular if: a) It has a non-zero determinant b) It has a zero determinant c) It is square d) It is invertible Answer: b) It has a zero determinant The solution set of a homogeneous system of linear equations is: a) Always empty b) Always contains the zero … Read more
Which type of differential equation is commonly used to model the motion of an aircraft? a) Ordinary Differential Equations (ODEs) b) Partial Differential Equations (PDEs) c) Linear Differential Equations d) Nonlinear Differential Equations Answer: a) Ordinary Differential Equations (ODEs) In aerodynamics, which differential equation describes the conservation of mass? a) Navier-Stokes equation b) Continuity equation … Read more
1. In aerodynamics, which equation is primarily used to relate pressure, velocity, and density of a fluid? a) Bernoulli’s equation b) Navier-Stokes equation c) Euler’s equation d) Reynolds equation Answer: a) Bernoulli’s equation 2. What is the solution to the differential equation dydx=3×2\frac{dy}{dx} = 3x^2dxdy=3×2 with the initial condition y(0)=2y(0) = 2y(0)=2? a) y=x3+2y = … Read more
1. What is the primary function of an aircraft’s ailerons? a) Increase lift b) Control pitch c) Control roll d) Control yaw Answer: c) Control roll 2. Which of the following is the SI unit of thrust? a) Newton b) Pascal c) Joule d) Watt Answer: a) Newton 3. The Mach number is defined as … Read more