Statistical Digital Signal Processing Interview Questions and Answers: 1. What is an ergodic process? Ans. A stationary random process {Xn} is said to be ergodic, with probability 1, if all…
Starting of Electric Drives: The most important processes associated with controlled electric drives are (i) starting, (ii) speed control (iii) braking, (iv) reversal of direction of rotation. All these are…
Types of Electric Drives: The various types of electric drives used in industry may be divided into three types, namely Group Drive, Individual Drive and Multi-motor drives. 1. Group Drive:…
Nature of Electric Supply: The nature of electric supply available may be 3-phase ac, single-phase ac or dc. In case three-phase ac supply is available, polyphase induction motor, squirrel cage…
Different Types of Traction System: The various types of traction system commonly used are described below. 1. Direct Steam Engine Drive. The steam engine drive used to be widely employed…
What is a Photometer and Photometry? - Working Principle and Types: The candle power of a source in any given direction is measured by comparison with a standard or substandard…
Difference Between Resistance and Arc Welding: The Difference between resistance and arc welding is given in table below Particulars Resistance Welding Arc Welding Supply Usually ac only. AC or dc.…
Factors Affecting Air Conditioning System: In this modern age everybody is trying to improve his surroundings in order to make living conditions more comfortable. Air conditioning is one of the…