Electric Motor Repairer related Frequently Asked Q Interview Preparation Guide

I have the ability to make precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, or assemble very small objects, quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects, tell when something is wrong or is likely to go wrong. It does not involve solving the problem, only recognizing there is a problem, keep your hand and arm steady while moving your arm or while holding your arm and hand in one position, arrange things or actions in a certain order or pattern according to a specific rule or set of rules (e.g., patterns of numbers, letters, words, pictures, mathematical operations).

The motor which work or act on the applied input pulse in it, is called as stepper motor. This stepper motor is under the category of synchronous motor, which often does not fully depend of complete cycle. It likes to works in either direction related to steps. for this purpose it mainly used in automation parts.

Series motor cannot be started without load because of high starting torque. Series motor are used in Trains, Crane etc.

The function of commutator is to facilitate the collection of current from armature conductors. It converts the alternating current induce in the armature conductors into unidirectional current in the external load circuit.

The Feedback in Control System in one in which the output is sampled and proportional signal is fed back to the input for automatic correction of the error ( any change in desired output) for futher processing to get back the desired output.

If actual thrust is less than commanded thrust during takeoff with airspeed between 65kts and V1-6kts. FCOM 1 70.20.16

The different methods of starting an induction motor:

☛ DOL:direct online starter
☛ Star delta starter
☛ Auto transformer starter
☛ Resistance starter
☛ Series reactor starter

Repairing machines or systems using the needed tools, Determining causes of operating errors and deciding what to do about it, Conducting tests and inspections of products, services, or processes to evaluate quality or performance, Identifying complex problems and reviewing related information to develop and evaluate options and implement solutions, Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.

Synchronous machines have capability to work on different power factor (or say different imaginary power varying the field EMF. Hence syn. generators r used for the production of electricity.

The purpose of brushes is simply to lead current from the rotating loop or winding to the external stationary load.