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I applied via Naukri.com and was interviewed before Jun 2020. There were 2 interview rounds.
I appeared for an interview 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 Referral and was interviewed before Sep 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 3 interview rounds.
SAP is an enterprise resource planning software used for managing business operations and customer relations.
SAP stands for Systems, Applications, and Products in Data Processing
It is used by companies to manage their business operations such as finance, sales, procurement, and inventory management
SAP also offers customer relationship management (CRM) software to manage interactions with customers
It is widely used in i...
I use various Tcodes depending on the task at hand.
For material master data maintenance, I use MM01, MM02, and MM03.
For purchase order creation and maintenance, I use ME21N and ME22N.
For inventory management, I use MIGO and MB51.
For production planning, I use MD61 and MD04.
For quality management, I use QA32 and QE51.
For sales and distribution, I use VA01, VA02, and VA03.
To punch production in SAP, follow these steps:
Create a production order in SAP
Release the production order
Confirm the production order
Perform goods receipt for the production order
Perform goods issue for the production order
I applied via Recruitment Consultant and was interviewed in Feb 2021. There were 3 interview rounds.
I applied via Referral and was interviewed before Oct 2021. There were 3 interview rounds.
Siemens plc models include S7-1200, S7-1500, S7-300, S7-400, and LOGO!
S7-1200
S7-1500
S7-300
S7-400
LOGO!
SPC stands for Statistical Process Control, a method used to monitor and control processes to ensure they are operating efficiently and within specifications.
SPC involves collecting and analyzing data to identify variations in a process
It helps in detecting and correcting issues before they result in defects
Common tools used in SPC include control charts, histograms, and Pareto charts
To configure a dp dp coupler, set the parameters for communication protocol, baud rate, address, and data format.
Set the communication protocol to match the devices being connected.
Configure the baud rate to ensure proper data transmission speed.
Assign a unique address to the dp dp coupler for identification.
Choose the appropriate data format for the connected devices.
Test the configuration to ensure proper communicati
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