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ISMT Electrical Maintenance Department Interview Questions and Answers

Updated 5 Jan 2022

ISMT Electrical Maintenance Department Interview Experiences

1 interview found

Interview Questionnaire 

4 Questions

  • Q1. What is the DC and AC motor
  • Ans. 

    DC motors use direct current to generate rotational motion, while AC motors use alternating current.

    • DC motors have a commutator and brushes to switch the current direction, while AC motors do not.

    • AC motors are more commonly used in household appliances, while DC motors are used in electric vehicles and industrial machinery.

    • Examples of DC motors include brushed and brushless motors, while examples of AC motors include i

  • Answered by AI
  • Q2. Types of current
  • Ans. 

    There are two types of current - AC and DC.

    • AC stands for Alternating Current and changes direction periodically.

    • DC stands for Direct Current and flows in one direction only.

    • AC is used for power transmission over long distances while DC is used for electronic devices.

    • Examples of AC sources include power grids and generators while batteries are a common source of DC.

    • AC voltage can be stepped up or down using transformers...

  • Answered by AI
  • Q3. Introduce to yourself
  • Q4. Name of subjects in your college
  • Ans. 

    I studied various subjects related to electrical engineering in my college.

    • Electrical Machines

    • Power Electronics

    • Control Systems

    • Electrical Measurements and Instrumentation

    • Electromagnetic Theory

    • Digital Electronics

    • Microprocessors and Microcontrollers

    • Power Systems

    • Renewable Energy Sources

    • Electrical Circuit Analysis

  • Answered by AI

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Draw Control diagram of A Motor Which We Can Start From Remote location & Local panel. use Star delta starter.
  • Ans. 

    Control diagram of a motor with remote and local start using star delta starter.

    • Use a star delta starter for reduced voltage starting

    • Include a remote start/stop switch in the control circuit

    • Use a contactor to switch between star and delta connections

    • Include overload protection in the circuit

    • Use a control transformer to step down voltage for control circuit

    • Include a pilot light to indicate motor status

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - while You are experienced person on Your Field, Then Its also Necessary to Have Good Interview Practice Or Experience for passout the Interview. It is Beacuse to Some time Interview ask Very simple Question With Difficult manner and at that time how you react is Important.

I applied via Company Website and was interviewed in Jul 2021. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. EOt Crane brief discription. In sense of electrical.
  • Ans. 

    EOt crane is an electric overhead traveling crane used for lifting and moving heavy loads in industrial settings.

    • EOt stands for Electric Overhead Traveling

    • It is operated by an electrical control system

    • It consists of a bridge, hoist, trolley, and electrical components

    • It is commonly used in factories, warehouses, and construction sites

    • It can lift and move heavy loads up to several tons

    • It requires regular maintenance and

  • Answered by AI
  • Q2. Proper knowledge of induction furnace pannel troling detailed, card function, module discription.
  • Q3. Transformer work, fault, solution.

Interview Preparation Tips

Interview preparation tips for other job seekers - Work like a practicaly and remind of logic and function.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. (1) tell your self, (2) Passt company work, (3) what is VFD and it's diagram, (4) Electrical maintenance related questions
  • Q2. Motor related questions
  • Q3. MCC and PCC panel
Round 3 - HR 

(1 Question)

  • Q1. (1) Salary discussion, (2) Experience related questions

Interview Questionnaire 

6 Questions

  • Q1. 1.what is composite error and ratio error in current transformer?
  • Ans. 

    Composite error and ratio error are two types of errors in current transformers.

    • Composite error is the combination of ratio error and phase angle error in a current transformer.

    • Ratio error is the difference between the actual turns ratio and the specified turns ratio of a current transformer.

    • Phase angle error is the angular difference between the primary and secondary currents of a current transformer.

    • Composite error a...

  • Answered by AI
  • Q2. 2.Draw ckt diagram of a.c drive.
  • Ans. 

    An AC drive circuit diagram controls the speed of an AC motor by varying the frequency and voltage of the power supplied to it.

    • An AC drive consists of a rectifier, DC link, inverter, and control circuitry.

    • The rectifier converts AC power to DC power, which is stored in the DC link.

    • The inverter converts the DC power back to AC power with variable frequency and voltage.

    • The control circuitry adjusts the frequency and volta...

  • Answered by AI
  • Q3. 3.Draw single line diagram of distribution system with proper secification.
  • Ans. 

    A single line diagram of a distribution system is required with proper specifications.

    • The diagram should show the flow of power from the source to the load

    • It should include all components such as transformers, switchgear, and cables

    • The specifications should include voltage levels, power ratings, and protection devices

    • The diagram should follow standard symbols and conventions

    • Example: A 11 kV distribution system with a 5

  • Answered by AI
  • Q4. 4.Why do the dewpoint test in transformer?
  • Ans. 

    Dewpoint test is done in transformer to check the moisture content in the insulation oil.

    • Moisture in insulation oil can cause breakdown of transformer insulation

    • Dewpoint test helps to determine the moisture content in the oil

    • It is a preventive maintenance measure to avoid transformer failure

    • The test involves cooling a mirror until dew forms on it, and measuring the temperature at which dew forms

  • Answered by AI
  • Q5. 5.What is the difference between power transformer and distribution transformer?
  • Ans. 

    Power transformers are used in transmission systems to step up or down voltage, while distribution transformers are used in distribution systems to step down voltage.

    • Power transformers are used in high voltage transmission systems to step up or down voltage for long distance transmission.

    • Distribution transformers are used in low voltage distribution systems to step down voltage for local distribution.

    • Power transformers...

  • Answered by AI
  • Q6. 6.How to work Buchholz relay in transformer.
  • Ans. 

    Buchholz relay is used to protect transformers from faults by detecting gas and oil flow abnormalities.

    • Buchholz relay is installed in the pipe connecting the transformer tank and conservator tank.

    • It operates based on the principle that faults in the transformer generate gases and cause oil flow disturbances.

    • When gas or oil flow abnormalities occur, the relay trips and sends a signal to the control panel to isolate the ...

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: My resume was shortlisted from naukri.com.

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jan 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - HR 

(4 Questions)

  • Q1. Want to move or not, how motivated you're, why you want to work here?
  • Q2. Warning that job is out of comfort how you will manage?
  • Q3. What makes you searching for another job, your current job is not good, salary,work profile, culture or what?
  • Q4. Do you love challenges in life, if yes then explain an instance in your life that says you do?

Interview Preparation Tips

Interview preparation tips for other job seekers - Work upon your skills and be confident about your deeds.

I applied via Company Website and was interviewed in Feb 2022. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Current , Resistance, Transformer

Interview Preparation Tips

Interview preparation tips for other job seekers - Electrical , Technical Engineering

I applied via Naukri.com and was interviewed before Oct 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Responsibility,projects handeled work life balance timing for job completion
  • Q2. What qas your role in organisation

Interview Preparation Tips

Interview preparation tips for other job seekers - please be formal add experince from last profile worked
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Basic about Converter

Interview Preparation Tips

Interview preparation tips for other job seekers - Just Learn on daily basis about what you are doing and you need not require separate time for interview preparation.
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Technical past experience
  • Q2. Past experience
Round 2 - One-on-one 

(2 Questions)

  • Q1. Past experience
  • Q2. No matter where u were , u will be hired for labour position

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't go here if you want to grow in life

ISMT Interview FAQs

What are the top questions asked in ISMT Electrical Maintenance Department interview?

Some of the top questions asked at the ISMT Electrical Maintenance Department interview -

  1. What is the DC and AC mo...read more
  2. Name of subjects in your colle...read more
  3. Types of curr...read more

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