CMQ-C Qiuz 3 Exam 30 Questions with Verified Answers,100% CORRECT
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CMQ-C Qiuz 3 Exam 30 Questions with Verified Answers Euler angles are defined as - CORRECT ANSWER the angular rotation angles used to describe the motion of the A/C and orientation In steady-sta ... te flight conditions, two vector quantities are zero. These are: - CORRECT ANSWER v(dot) and w(dot) Give two examples of steady-state flight conditions: - CORRECT ANSWER level turn and cruise flight To completely describe the motion of the aircraft, following equations are required: - CORRECT ANSWER Three force, moment and kinematic equations If an aircraft is symmetrical about the XZ plane, then the following products of inertia is (are) zero: - CORRECT ANSWER Ixy and Iyz Tranformatoin matrix is used to find a relationship between the velocities in the - CORRECT ANSWER Earth and body- fixed axis systems The sign of derivative Clp is - CORRECT ANSWER negative The side force due to yaw rate is in the positve direction. True or False? - CORRECT ANSWER True The main contribution to the derivative Clr comes from - CORRECT ANSWER wing The positive sideslip causes a side force in the vertical tail in the __________ direction - CORRECT ANSWER opposite The derivative Cnr is called - CORRECT ANSWER Yaw damping derivative The main contribution to the derivative Cmq comes from - CORRECT ANSWER Horizontal tail Two methods used to linearize airplane equations of motion are - CORRECT ANSWER Taylor Series Expansion and Direct substitution The derivatives with respect to rate of change of angle of attack (alpha dot) result because - CORRECT ANSWER there is a lag in the flow field development The aircraft wing opposes the rolling motion because in the down-going wing, ______________ increases which increases the ______ resulting in the rolling motion in the ____________ direction. - CORRECT ANSWER angle of attack; lift; opposite Linearized equations can only be used for ____________ from equilibrium flight conditions. - CORRECT ANSWER small perturbation theory The sign of derivative Cnr is negative because - CORRECT ANSWER the yaw rate produces a positive moment Assuming small angles, what is the relation between pitch Euler angle and pitch rate? - CORRECT ANSWER theta dot = q What is the nature of the longitudinal flight dynamic modes? - CORRECT ANSWER second order If, for an aircraft, time to double is specified, the airplane is - CORRECT ANSWER unstable [Show More]
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