Mahindra & Mahindra Electrical Technician Interview Questions and Answers

Q1. Define capacitor, how to work capacitor, define transistor and working principle, veriable frequency drive working principle
Ans. 
A capacitor is an electronic component that stores and releases electrical energy. A transistor is a semiconductor device that amplifies or switches electronic signals. A variable frequency drive is an electronic device that controls the speed of an electric motor.
• A capacitor is used to store and release electrical energy.

• It consists of two conductive plates separated by an insulating material called a dielectric.

• When ...read more
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Q1. How to change ac to dc current in dc motor,and how to work commutator,how many types dc machine and some explained in detail
Ans. 
To change AC to DC current in a DC motor, a rectifier is used. The commutator in a DC motor helps in converting the current direction.
• AC to DC conversion in a DC motor is achieved using a rectifier.

• The rectifier converts the alternating current (AC) into direct current (DC) by using diodes.

• The commutator in a DC motor is a rotary electrical switch that helps in reversing the direction of current flow in the armature wi...read more
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Q1. Why you are want to join Tata motors.
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Q2. What is the primary tools for an electrician.
Ans. 
The primary tools for an electrician include pliers, wire strippers, screwdrivers, voltage testers, and power drills.
• Pliers are used to grip and twist wires and other components.

• Wire strippers are used to remove insulation from wires.

• Screwdrivers are used to tighten or loosen screws.

• Voltage testers are used to check if a circuit is live or not.

• Power drills are used to drill holes and drive screws.
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Q1. Share details of your previous job.
Ans. 
I worked as an electrician at XYZ company for 3 years.
• Installed and maintained electrical systems in commercial and residential buildings

• Troubleshot and repaired electrical issues

• Collaborated with team members to complete projects on time and within budget

• Ensured compliance with safety regulations and codes

• Provided excellent customer service and communication
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