Tata Power Solar Interview Questions, Process, and Tips

There are several types of bearings used in various applications, including ball bearings, roller bearings, plain bearings, and fluid bearings.

• Ball bearings

• Roller bearings

• Plain bearings

• Fluid bearings

The percentage of carbon in MS (mild steel) typically ranges from 0.05% to 0.25%.

• Percentage of carbon in MS (mild steel) is usually between 0.05% to 0.25%.

• Carbon content affects the strength and hardness of the steel.

• Higher carbon content results in harder but more brittle steel.

• Lower carbon content results in softer but more ductile steel.

Calibration is the process of comparing measurements of an instrument or device to a known standard to ensure accuracy.

• Calibration involves adjusting the instrument or device to align with the standard

• It is important for maintaining accuracy and reliability of measurements

• Calibration is typically done regularly to ensure consistent performance

• Examples include calibrating thermometers, scales, and pressure gauges

A serrated washer is a type of washer with serrations on one side to prevent loosening of the fastener.

• Serrated washers have teeth or ridges on one side to grip the surface and prevent rotation or loosening

• They are commonly used in applications where vibration may cause regular washers to loosen

• Serrated washers are available in various materials such as steel, stainless steel, and nylon

The type of alignment refers to the positioning of components in relation to each other.

• There are different types of alignment such as parallel, perpendicular, angular, and concentric.

• Alignment is crucial for proper functioning and performance of mechanical systems.

• For example, in automotive engineering, wheel alignment is important for vehicle stability and tire wear.

• In manufacturing, alignment of machine parts ensure...read more

IS code 822 is a standard set by the Bureau of Indian Standards for the method of conducting hydrostatic tests on concrete pipes.

• IS code 822 specifies the procedure for conducting hydrostatic tests on concrete pipes to ensure their quality and durability.

• The code outlines the equipment required, test procedure, acceptance criteria, and reporting requirements.

• It is important for field quality engineers to be familiar wi...read more

The torque value of an M20 bolt in dry condition and grade 9.2 is typically around 420 Nm.

• The torque value for a specific bolt can vary based on factors such as lubrication, thread condition, and material composition.

• For an M20 bolt with grade 9.2, the recommended torque value is usually in the range of 400-450 Nm.

• It is important to consult the manufacturer's specifications or a torque chart for the exact value based o

Protection methods for transformers include overcurrent protection, differential protection, and temperature monitoring.

• Overcurrent protection: Uses fuses or circuit breakers to protect against excessive current flow.

• Differential protection: Compares the current entering and leaving the transformer to detect internal faults.

• Temperature monitoring: Uses sensors to monitor the temperature of the transformer and trigger a

The process of module installation involves planning, preparation, installation, testing, and commissioning.

• Plan the layout and placement of modules based on specifications and requirements

• Prepare the site by ensuring proper electrical connections and safety measures

• Install the modules following manufacturer's instructions and industry standards

• Test the modules to ensure they are functioning correctly

• Commission the mod...read more

Transformers testing involves various tests to ensure proper functioning and safety.

• Dielectric strength test to check insulation quality

• Turns ratio test to verify transformer turns ratio

• Winding resistance test to measure resistance of windings

• Insulation resistance test to assess insulation resistance

• Polarity test to confirm correct polarity

• Load test to evaluate performance under load conditions

Solar modules can have faults such as hot spots, shading, soiling, PID, and potential induced degradation.

• Hot spots: localized overheating due to shading, dirt, or manufacturing defects

• Shading: reduced output caused by obstructions like trees or buildings

• Soiling: dirt or debris covering the modules reducing efficiency

• PID (Potential Induced Degradation): voltage stress leading to power loss

• Potential induced degradation:

IV curve testing of solar modules involves measuring the current-voltage characteristics to assess performance.

• IV curve testing helps determine the power output of a solar module under different conditions.

• The test involves varying the voltage across the module while measuring the current flowing through it.

• The resulting IV curve provides valuable information on the module's efficiency and performance.

• By analyzing the ...read more

SAP MM is a module in SAP ERP that deals with procurement and inventory management.

• SAP MM stands for Material Management

• It involves processes such as procurement, inventory management, and invoice verification

• It helps in managing materials, vendors, and procurement processes efficiently

• Example: Creating purchase orders, managing stock levels, and vendor evaluation

To make GRIN, mix ground ginger, rice flour, and icing sugar.

• Mix ground ginger, rice flour, and icing sugar in a bowl.

• Adjust the quantities of each ingredient to achieve the desired taste and consistency.

• Store the GRIN mixture in an airtight container to maintain freshness.

Movement type of GRIN is Goods Receipt for Inbound Delivery

• GRIN is used to record the receipt of goods from a vendor

• It is typically used in warehouse management systems

• GRIN updates the stock quantity in the system

To check a PO, verify the details against the purchase order document.

• Compare the PO number on the document with the one in the system.

• Check the items ordered, quantities, prices, and delivery dates for accuracy.

• Ensure that the terms and conditions of the PO are being met.

• Confirm that the PO has been approved by the appropriate personnel.

• Cross-reference the PO with any related documents, such as invoices or packing sli

Bachelor's degree in Civil Engineering with relevant certifications

• Bachelor's degree in Civil Engineering from an accredited university

• Certifications in QA/QC related to civil engineering

• Knowledge of relevant codes and standards

• Experience in construction projects