Fast Fourier Transform Interview Questions and Answers: 1. Why FFT is needed? Ans. The direct evaluation of DFT using the formula requires N2 complex multiplications and N(N - 1) complex additions. Thus for reasonably large…
Discrete Fourier Transform Interview Questions and Answers: 1. What is zero padding? What are its uses? Ans. Let the sequence x(n) has a length L. If we want to find the N-point DFT (N >…
Z Transform Interview Questions and Answers: 1. Define the z-transform. Ans. The z-transform of a discrete-time signal x(n) is defined as where z is a complex variable. In polar form z can be expressed as…
Discrete Time Signals and Linear Systems Interview Questions and Answers: 1. What do you understand by the terms: signal and signal processing? Ans. Signal: A signal is defined as any physical quantity that varies with…
Elements of Rigid Body Dynamics Interview Questions and Answers: 1. What are the common types of plane motion of rigid bodies? Ans. Translation Rotation General plane motion 2. Define Translation. Ans. It is the motion…
Dynamics of Particles Interview Questions and Answers: 1. Define Dynamics. Ans. It is the branch of science which analyze the characteristics of particles/bodies in motion. 2. Define Kinematics. Ans. It is the study of motion…
Friction Interview Questions and Answers: 1. Define the term 'Friction'. Ans. If two bodies are in contact with one another. The force exerted between them at their point of contact to prevent one body from…
Properties of Surfaces and Solids Interview Questions and Answers: 1. Differentiate between Lamina and Body. Ans. The lamina has only area but no mass. The body has volume and mass. 2. Define Centroid. Ans. The…
Equilibrium of Rigid Bodies Interview Questions and Answers: 1. Define Rigid body Ans. If the distance between any two particle of a body remains constant, it is called as rigid body. 2. Define Free body…
Statics of Particles Interview Questions and Answers: 1. Define Force. Ans. Force is an external energy which is applied on the body to change the state of rest or state of uniform motion. 2. Define…