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I applied via Naukri.com and was interviewed before Jun 2020. There were 2 interview rounds.
I was interviewed before Jan 2024.
Star delta starter is a type of reduced voltage starter used in induction motors to reduce starting current.
Consists of two contactors - one for star connection and one for delta connection
Initially motor is started in star connection to reduce starting current
After a set time, motor is switched to delta connection for full speed operation
Used in applications where high starting current can damage equipment
To use a third party device in a PLC, you need to establish communication protocols and configure the PLC to send and receive data from the device.
Identify the communication protocol supported by the third party device (e.g. Modbus, Profibus)
Configure the PLC to communicate with the third party device using the identified protocol
Map the data points between the PLC and the third party device to ensure seamless data exc...
The eddy current formula calculates the magnitude of induced currents in a conductor due to a changing magnetic field.
The formula is given by: I = π * D * f * B * σ
Where I is the eddy current (A)
D is the diameter of the coil (m)
f is the frequency of the magnetic field (Hz)
B is the magnetic field strength (T)
σ is the conductivity of the material (S/m)
To improve the power factor of a 130 kW load with a power factor of 0.7, capacitors can be used. The required rating of the capacitor depends on the desired power factor improvement.
Install capacitors in parallel with the load to improve power factor
Calculate the required capacitance using the formula: C = (P * tan(acos(pf))) / (V^2)
Choose capacitors with the appropriate voltage and capacitance rating for the load
Ensur...
I have a strong background in maintenance engineering and a proven track record of improving efficiency and reducing downtime.
Extensive experience in troubleshooting and repairing mechanical and electrical systems
Proven ability to implement preventive maintenance programs to increase equipment reliability
Strong communication skills to work effectively with cross-functional teams
Certified in relevant maintenance enginee
I applied via Naukri.com and was interviewed before Jun 2021. There were 3 interview rounds.
Questions related to maintenance engineering including eddy current, 5S TPM, electromagnetic induction, RPM measurement, DC motor, shift handover, major breakdown, and star delta starter.
Eddy current is a current induced in a conductor due to a changing magnetic field
5S TPM is a methodology for workplace organization and standardization
Electromagnetic induction is the production of an electromotive force across a condu...
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I applied via Naukri.com and was interviewed in May 2021. There were 3 interview rounds.
posted on 17 Jun 2024
I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.
I applied via Walk-in and was interviewed before Dec 2021. There were 3 interview rounds.
GD&T symbols are used to specify the geometric requirements of a part or assembly.
GD&T stands for Geometric Dimensioning and Tolerancing
Symbols include: flatness, circularity, perpendicularity, concentricity, position, and more
Each symbol has a specific meaning and is used to communicate precise engineering requirements
GD&T is used in industries such as aerospace, automotive, and manufacturing
Example: A position symbol...
Cp, Cpk, Pp, and Ppk are statistical process control indices used to measure process capability and performance.
Cp and Cpk measure how well a process meets its specifications, with Cpk being more accurate for non-centered processes.
Pp and Ppk measure how well a process performs relative to its natural variation, with Ppk being more accurate for non-centered processes.
All four indices are calculated using the process me...
Casting should be thorough
Aluminium die Casting
I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.
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