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Gupta Power Infrastructure Electrical Engineer Interview Questions and Answers
Gupta Power Infrastructure Electrical Engineer Interview Experiences
1 interview found
I applied via Referral and was interviewed before Apr 2020. There was 1 interview round.
Interview Questionnaire
7 Questions
- Q1. Power factor improvement numerical
- Ans.
Power factor improvement involves reducing reactive power and increasing active power to improve efficiency.
Power factor is the ratio of active power to apparent power
Improving power factor reduces energy costs and improves system efficiency
Methods for improving power factor include capacitor banks, synchronous motors, and static VAR compensators
- Q2. Transformers EMF equation
- Q3. 3 pH induction motor slip ring and squeal cage motor difference
- Ans.
3-phase induction motor slip ring and squirrel cage motor differ in rotor construction and starting torque.
Slip ring motor has external resistors and brushes to control rotor current and torque, while squirrel cage motor has a simple rotor with copper bars.
Slip ring motor has high starting torque and is used in heavy load applications like cranes and elevators, while squirrel cage motor has low starting torque and is u...
- Q4. Shunt motor
- Q5. Cable layout
- Q6. Auto transformers
- Q7. Starting principal and speed control method of slip ring and squeal cage motor
- Ans.
Slip ring motors use external resistors for starting and speed control, while squirrel cage motors rely on the number of poles and frequency for speed control.
Slip ring motors have external resistors that are gradually removed to increase speed
Squirrel cage motors rely on the number of poles and frequency for speed control
Slip ring motors are used in applications where high starting torque is required
Squirrel cage moto...
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Electrical Engineer Interview Questions & Answers
Real Ispat & Power
Anonymous
posted on 25 Oct 2024
(2 Questions)
- Q1. Induction motor
- Q2. Fire tube turbine
Electrical Engineer Interview Questions & Answers
Premier Energies
Parvind kumar Singh
posted on 20 Jan 2025
(1 Question)
- Q1. About your self
Selected
I applied via Walk-in and was interviewed before Feb 2023. There was 1 interview round.
(1 Question)
- Q1. Power converters
Interview Preparation Tips
I was interviewed in Apr 2022.
(1 Question)
- Q1. Solar energy recarding interview discussion
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Oct 2022. There were 4 interview rounds.
Written exam with technical and non technical
(1 Question)
- Q1. Technical questions
(1 Question)
- Q1. Expected CTC, facility
Interview Preparation Tips
Diploma Electrical Engineer Interview Questions & Answers
Bajaj Energy
Anonymous
posted on 23 Apr 2024
Selected
I applied via Campus Placement
(5 Questions)
- Q1. Technical questions
- Q2. AC motor speed control method
- Ans.
AC motor speed can be controlled using methods like voltage control, frequency control, and pole changing.
Voltage control: Adjusting the voltage supplied to the motor to change its speed.
Frequency control: Changing the frequency of the AC power supplied to the motor to control its speed.
Pole changing: Altering the number of poles in the motor to adjust its speed.
Using variable frequency drives (VFDs) for precise speed
- Q3. Starter connections
- Q4. Circuit breaker
- Q5. Power plant and distribution
Electrical Maintenance Engineer Interview Questions & Answers
Sterlite Power
umesh kumar
posted on 12 Mar 2024
(2 Questions)
- Q1. How many types of high circuit breaker in high line
- Ans.
There are three main types of high circuit breakers in high line: air circuit breakers, oil circuit breakers, and SF6 circuit breakers.
Air circuit breakers use air as the arc extinguishing medium.
Oil circuit breakers use oil as the arc extinguishing medium.
SF6 circuit breakers use sulfur hexafluoride gas as the arc extinguishing medium.
- Q2. How to find current in three phase.
- Ans.
To find current in three phase, use the formula: Current = Power / (sqrt(3) * Voltage * Power Factor)
Calculate the total power in the three phase system
Determine the line-to-line voltage
Find the power factor of the system
Use the formula: Current = Power / (sqrt(3) * Voltage * Power Factor)
Electrical Technician Interview Questions & Answers
Doosan Power Systems
Laisitti Duryodhan
posted on 2 Nov 2020
Interview Questionnaire
1 Question
- Q1. How to moter testing
- Ans.
Motor testing involves various methods to check the performance and health of an electric motor.
Check the motor windings for continuity and resistance
Measure the voltage and current to determine power consumption
Inspect the bearings and lubrication for wear and tear
Perform a load test to evaluate the motor's ability to handle its rated load
Use specialized equipment like megohmmeters and oscilloscopes for more detailed
Manager – Electrical Interview Questions & Answers
SAEL Industries Limited
Anonymous
posted on 7 Jul 2020
I applied via Naukri.com and was interviewed before Jul 2019. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Related Testing, operations & maintenance and Protection of Alternator transformer, Motor , switchyard
- Q2. Energy saving project, manpower handling.
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Gupta Power Infrastructure Electrical Engineer Reviews and Ratings
based on 7 reviews
Rating in categories
|
Electrical Site Engineer
61
salaries
|  ₹1.6 L/yr - ₹4.1 L/yr |
|
Site Engineer
47
salaries
| ₹1.5 L/yr - ₹3.8 L/yr |
|
Assistant Project Manager
40
salaries
| ₹3 L/yr - ₹7.2 L/yr |
|
Project Manager
37
salaries
| ₹4.4 L/yr - ₹9.5 L/yr |
|
Assistant Manager
33
salaries
| ₹4 L/yr - ₹7.5 L/yr |
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