Apotex Research Electronics Maintenance Engineer Interview Questions and Answers

Electrical and electronics engineering

Q1. What is an induction motor
Ans. 
An induction motor is an AC electric motor in which power is supplied to the rotor by electromagnetic induction.
• An induction motor is commonly used in various applications such as industrial machinery, appliances, and electric vehicles.

• It operates on the principle of electromagnetic induction, where a rotating magnetic field is created by the stator winding.

• The rotating magnetic field induces currents in the rotor, whi...read more
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Q2. What is an DOL starter?
Ans. 
A DOL starter is a Direct-On-Line starter used to start and stop motors without any speed control.
• DOL starter is the simplest and most economical method of starting a motor.

• It directly connects the motor to the power supply without any intermediate devices.

• It is commonly used for small motors with low starting current requirements.

• DOL starters are not suitable for large motors as they can cause high starting currents a...read more
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Q3. It is Direct on load starter which can run with contactor and relay starter with push button NO and NC and can start with 3phase or single phase induction motor
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Q4. What is an automatic generator?
Ans. 
An automatic generator is a backup power source that starts automatically when the main power supply fails.
• It is designed to provide uninterrupted power supply during power outages.

• It can be used in homes, hospitals, data centers, and other critical facilities.

• It is equipped with sensors that detect power failures and automatically start the generator.

• It can be fueled by diesel, natural gas, or propane.

• It requires regu
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Q5. Automatic generator can start with controller and automatic circuit breaker which can start the generator when the power cut off the generator start with automatically ko
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