Electrical Engineering MCQ on Induction Motor Part 26 The repulsion start induction run motor is employed because of The repulsion start induction run motor is employed because of Correct answer: 3. High starting torque The motor that has highest starting torque The motor that has highest starting torque Correct answer: 1. Capacitor-start motor The single-phase induction motor … Read more
Electrical Engineering MCQ on Induction Motor Part 27 Starting winding of a single-phase motor of a refrigerator is disconnected from the circuit by using Starting winding of a single-phase motor of a refrigerator is disconnected from the circuit by using Correct answer: 2. Magnetic relay The maximum torque in repulsion motor is developed when The maximum torque … Read more
Electrical Engineering MCQs on Induction Motor Speed torque characteristic of a repulsion induction motor are similar to that of a Correct answer: 1. DC Compound motor
Electrical Engineering MCQs on Induction Motor In order to reverse the direction of rotation of a capacitor start motor while it is running Correct answer: 2. Disconnect motor from the supply till it stops then reconnect it to supply with reversed connection of main or auxiliary winding”
Electrical Engineering MCQs on Induction Motor In split phase motor main winding is of Correct answer: 1. Thick wire placed at the bottom of the slots
Electrical Engineering MCQs on Induction Motor A schrage motor can run on Correct answer: 4. All of these
Electrical Engineering MCQs on Induction Motor The speed of a universal motor is generally reduced by using which of following Correct answer: 4. Gearing
The single-phase induction motors are generally classified into six categories. Split Phase Induction Motors Split phase induction motors are single phase motors that comprise of an auxiliary winding in addition to main winding in stator. The main winding is available during running and is given the name running winding. The major purpose of auxiliary winding … Read more
The magnetic flux density expressed in Tesla is a vector quantity and it is defined as the force acting per unit current per unit length on a wire placed at right angles to the magnetic field. The magnetic flux density is indicated using symbol B. Both magnetic flux density and magnetic field intensities are linked … Read more
On the basis of voltage ratio, transformers are divided into two categories: Step up and step-down transformers. Step up Transformer Step down Transformer Used to increase (step up the voltage) Used to decrease the voltage (step down the voltage) With the increase in voltage, there is a corresponding decrease in current With the decrease in … Read more