Electrotherm Maintenance Engineer Interview Questions and Answers

Numericals related questions

Regarding alternators and generators

Q1. Family inquiry or other
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Q2. Education baground
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Q1. Experience based Questions
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Q2. Plc and vfd or electrical system
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Q1. Which direction motor run
Ans. 
The direction a motor runs depends on the type of motor and the wiring configuration.
• The direction of rotation can be determined by the motor's design and the direction of the current flow.

• Some motors can run in both clockwise and counterclockwise directions depending on the wiring.

• Reversing the polarity of the power supply can change the direction of rotation in some motors.
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Q2. How made delta connection in motor terminal box
Ans. 
Delta connection in motor terminal box is made by connecting the three motor terminals in a triangular configuration.
• Connect the three motor terminals labeled U, V, and W in a triangular configuration.

• Ensure proper insulation and secure connections to prevent short circuits.

• Use appropriate tools and follow manufacturer's guidelines for wiring.

• Double check the connections before powering up the motor to avoid damage.

• Con...read more
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Q1. Elevator related
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Q2. Regarding servicing of VFDs
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Q1. Identification of error
Ans. 
By conducting thorough system analysis, testing, and utilizing diagnostic tools.
• Conduct thorough system analysis to understand the system's functionality and potential issues.

• Perform testing to identify any abnormalities or malfunctions in the system or equipment.

• Utilize diagnostic tools such as multimeters, oscilloscopes, and software programs to pinpoint errors.

• Review error logs and system documentation for clues on ...read more
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Q2. Repairing
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Q1. Have a job for me
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Q2. Have job for me in this year
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Q1. What kind of for me
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Q2. Where is your head office
Ans. 
Our head office is located in downtown New York City.
• Head office is in downtown New York City

• Easily accessible by public transportation

• Close to major landmarks and attractions
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Q1. About your self
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Q2. About family background
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Q3. About your project
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Q1. About yourself, family background.
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Q2. Past experience, current job clarification
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Q1. About Boilers / heat pump and check points ?
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Q2. If gas pressure is low what are the possibility and what is the corrective actions taken by you ?
Ans. 
Low gas pressure can lead to various issues like inefficient operation or equipment failure. Corrective actions include checking for leaks, adjusting regulators, and ensuring proper ventilation.
• Check for leaks in the gas system

• Adjust regulators to increase gas pressure

• Ensure proper ventilation for gas combustion

• Inspect gas supply lines for blockages or restrictions

• Verify that gas appliances are functioning properly
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Q1. Total experience and current total ctc ?
Ans. 
I have 5 years of experience in the field and my current total CTC is $60,000.
• 5 years of experience in service engineering

• Current total CTC is $60,000

• Experience includes troubleshooting, maintenance, and repair of equipment
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