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I applied via Approached by Company and was interviewed in Oct 2023. There were 2 interview rounds.
Yes, I am familiar with Digital Multimeter. It is used to measure voltage, current, and resistance in electronic components.
Set the multimeter to the appropriate setting for the component you are testing (voltage, current, or resistance)
Connect the red probe to the positive terminal and the black probe to the negative terminal of the component
Read the measurement displayed on the multimeter screen
For HV diode: Set the ...
Proximity sensors are devices that detect the presence or absence of an object using electromagnetic fields, light, or sound.
Proximity sensors can be categorized into inductive, capacitive, ultrasonic, and photoelectric sensors.
Inductive sensors detect metal objects using electromagnetic fields.
Capacitive sensors detect non-metal objects by measuring changes in capacitance.
Ultrasonic sensors use sound waves to detect o...
I applied via Recruitment Consulltant and was interviewed in Aug 2023. There were 3 interview rounds.
Standard applicable refers to the set of rules, regulations, or guidelines that must be followed in a particular context.
Standards applicable can vary based on industry, organization, or project requirements.
They ensure consistency, quality, and compliance with regulations.
Examples include ISO 9001 for quality management, HIPAA for healthcare data privacy, and PCI DSS for payment card security.
Developing an IoT solution involves integrating sensors, connectivity, and data analytics to enable remote monitoring and control of devices.
Identify the specific use case and requirements for the IoT product
Select appropriate sensors and connectivity options based on the use case
Develop a secure and scalable cloud infrastructure for data storage and processing
Implement data analytics algorithms to derive insights from...
I applied via Referral and was interviewed in Oct 2023. There were 3 interview rounds.
To test an energy meter on a test bench, you can use a standard reference meter, apply known loads, and compare readings.
Use a standard reference meter to measure the accuracy of the energy meter being tested.
Apply known loads to the energy meter and observe the readings to ensure they are accurate.
Compare the readings of the energy meter with the standard reference meter to verify its accuracy.
Check for any discrepanc...
I applied via Company Website and was interviewed in Oct 2023. There were 2 interview rounds.
Productivity can be calculated by dividing output by input.
Calculate productivity by dividing output by input
Output can be units produced, services provided, etc.
Input can be labor hours, capital invested, etc.
Productivity = Output / Input
Cycle time is calculated by dividing the total production time by the quantity of products produced.
Calculate the total production time, including setup, processing, and downtime.
Determine the quantity of products produced during that time period.
Divide the total production time by the quantity of products produced to get the cycle time.
Cycle Time = Total Production Time / Quantity of Products Produced
Racemosa Energy interview questions for popular designations
I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 2 interview rounds.
I applied via Referral and was interviewed in May 2023. There was 1 interview round.
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I was interviewed in Jan 2025.
I was interviewed in Jan 2025.
The exam consists of seven sections, and the cutoff score is quite high; it is essential to complete the exam thoroughly.
I was interviewed in Jan 2025.
I was interviewed in Jan 2025.
Case and decode are conditional expressions in PL/SQL used for data manipulation.
CASE is used for conditional logic in SQL statements, while DECODE is used for conditional logic in SELECT statements.
CASE is more flexible and can handle multiple conditions, while DECODE is limited to one condition.
CASE can be used in both SQL and PL/SQL, while DECODE is specific to SQL.
Example of CASE: SELECT CASE WHEN condition1 THEN r...
Primary key uniquely identifies each record in a table, while foreign key establishes a link between two tables.
Primary key ensures uniqueness and cannot have null values
Foreign key establishes a relationship between tables based on the primary key of another table
Example of primary key: EmployeeID in an Employee table
Example of foreign key: DepartmentID in an Employee table linking to DepartmentID in a Department tabl
Rank assigns unique ranks to each distinct row, while Dense Rank assigns consecutive ranks without gaps.
Rank may have gaps in the ranking sequence, while Dense Rank does not.
Rank assigns the same rank to rows with the same values, while Dense Rank assigns different ranks.
Rank function is non-consecutive, while Dense Rank function is consecutive.
Procedures are used to perform an action, while functions return a value.
Procedures do not return a value, while functions do.
Functions can be called from SQL queries, while procedures cannot.
Functions must return a value, while procedures do not necessarily have to.
No, a package body cannot be used without a package specification.
A package body must always be associated with a package specification.
The package specification defines the public interface of the package, while the package body contains the implementation details.
Attempting to use a package body without a corresponding package specification will result in compilation errors.
Use a SQL query with GROUP BY and HAVING clause to find duplicate values in a database.
Use GROUP BY clause to group the values that are duplicated.
Use HAVING clause to filter out the groups that have more than one occurrence.
Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1;
Group by and having clause are used together to filter groups based on specified conditions.
Group by clause is used to group rows that have the same values into summary rows.
Having clause is used to filter groups based on specified conditions.
Example: SELECT department, AVG(salary) FROM employees GROUP BY department HAVING AVG(salary) > 5000;
Substr function extracts a substring from a string, while Instr function returns the position of a substring within a string.
Substr function syntax: SUBSTR(string, start_position, length)
Example: SUBSTR('Hello World', 7, 5) will return 'World'
Instr function syntax: INSTR(string, substring)
Example: INSTR('Hello World', 'World') will return 7
Writing a SQL query with a subquery involves nesting one query inside another to retrieve specific data.
Start by writing the main query that will retrieve the primary data
Identify the criteria for the subquery to filter the results
Enclose the subquery within parentheses and use it in the WHERE or FROM clause of the main query
Ensure that the subquery returns a single value or a single column result
Char is fixed length, varchar is variable length with max 4000 bytes, varchar2 is variable length with max 32767 bytes.
Char is fixed length and always right-padded with spaces, while varchar and varchar2 are variable length.
Varchar can store up to 4000 bytes of data, while varchar2 can store up to 32767 bytes.
Char is less efficient in terms of storage compared to varchar and varchar2.
No, it is not possible to combine two tables with differing data and columns without utilizing joins.
Joins are necessary to combine tables based on a common column or key.
Different data and columns require a join to match and merge the data properly.
Examples of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
Yes, it is possible to update data in a view using INSTEAD OF triggers.
Views are virtual tables that display data from one or more tables.
By using INSTEAD OF triggers, you can update data in a view by specifying the logic to handle the update operation.
The trigger intercepts the update operation on the view and executes the specified logic to update the underlying tables.
For example, you can create an INSTEAD OF trigge...
TCS is a global IT services company known for its innovative solutions and commitment to employee growth.
TCS has a strong reputation in the IT industry for delivering high-quality services.
TCS offers opportunities for professional growth and development through training programs and career advancement.
TCS has a diverse and inclusive work culture that values teamwork and collaboration.
A dynamic cursor in database management allows for the execution of different SQL queries at runtime.
Dynamic cursors are used when the SQL query to be executed is not known until runtime.
They allow for flexibility in querying the database based on user input or other conditions.
Dynamic cursors can be used to handle varying result sets or conditions in a more efficient manner.
Example: Using a dynamic cursor to search fo...
Yes, I have performed performance tuning by identifying bottlenecks and optimizing queries.
Identified slow queries using tools like SQL Trace, Explain Plan, and AWR reports.
Optimized queries by adding indexes, rewriting SQL statements, and reducing unnecessary data retrieval.
Tuned PL/SQL code by using bulk processing, minimizing context switches, and optimizing loops.
Utilized database features like partitioning and mat
A package in PL/SQL is a collection of related procedures, functions, variables, and other constructs.
A package consists of two parts: package specification and package body.
The package specification defines the public interface of the package, including declarations of variables, constants, cursors, procedures, and functions.
The package body contains the actual implementation of the procedures and functions declared i...
I am excited about the opportunity to work with a global leader like TCS and contribute to innovative projects.
TCS is a renowned global company with a strong reputation in the IT industry
I am impressed by TCS's commitment to innovation and cutting-edge technology
I believe TCS offers great opportunities for professional growth and development
I am excited about the chance to work on diverse and challenging projects at TC
I prefer to discuss my salary expectations based on the responsibilities and requirements of the position.
Focus on discussing salary expectations based on the job responsibilities and requirements.
Avoid disclosing specific current salary package.
Emphasize the importance of fair compensation based on market rates and skills.
Provide examples of successful projects or achievements that demonstrate your value.
Discuss oppor...
I am looking for a competitive salary package based on my experience and skills.
I am open to discussing salary based on the responsibilities and requirements of the role.
I have researched the average salary range for Plsql Developers in this location.
I am looking for a package that includes benefits such as healthcare, retirement plans, and professional development opportunities.
Yes, I am comfortable with shift work and have experience working various shifts.
I have previous experience working different shifts in my current/previous roles.
I am flexible with my schedule and can easily adapt to changing shift patterns.
I understand the importance of shift work in ensuring 24/7 coverage for critical systems.
Yes, I am open to any location for the Plsql Developer position.
I am willing to relocate for the right opportunity
I am open to working in different cities or countries
I am flexible with travel requirements for the job
The duration of Racemosa Energy interview process can vary, but typically it takes about less than 2 weeks to complete.
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