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I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.
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Formal round of interview with the Operations manager
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I appeared for an interview before Jul 2016.
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A pH meter is a scientific instrument used to measure the acidity or alkalinity of a substance. Calibration ensures accurate readings.
pH meter measures the concentration of hydrogen ions in a solution
Calibration involves adjusting the pH meter to known standard solutions
Regular calibration ensures accurate readings over time
HPLC stands for High Performance Liquid Chromatography, which consists of a pump, injector, column, detector, and integrator.
HPLC involves a pump to push the liquid solvent through the system.
It includes an injector to introduce the sample into the mobile phase.
The column separates the components of the sample based on their interactions with the stationary phase.
A detector measures the amount of analyte in the eluent.
...
Buffers commonly used in HPLC include phosphate buffers, acetate buffers, and citrate buffers.
Phosphate buffers are commonly used in HPLC for separating acidic compounds.
Acetate buffers are used for separating basic compounds.
Citrate buffers are used for separating metal ions.
Other common buffers used in HPLC include ammonium acetate and ammonium formate.
HPLC calibration involves adjusting parameters to ensure accurate and reliable results.
Prepare standard solutions of known concentrations
Run the standard solutions through the HPLC system
Compare the results to expected values and adjust parameters as needed
Repeat the process until accurate and consistent results are obtained
posted on 23 Jan 2021
I appeared for an interview before Jan 2020.
I applied via Referral and was interviewed in Aug 2021. There were 5 interview rounds.
I applied via Recruitment Consultant and was interviewed in Dec 2021. There were 4 interview rounds.
SQL query to find managers of employees with single table of employee designation and empid
Use self join to join the table with itself on manager id and employee id
Filter the result to only include employees with managers
Select the manager name and employee name
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Slow performance with large datasets
based on 1 interview
Interview experience
Officer
12
salaries
| ₹1.3 L/yr - ₹3.5 L/yr |
QA Officer
10
salaries
| ₹1.2 L/yr - ₹3 L/yr |
Maintenance Officer
7
salaries
| ₹2.4 L/yr - ₹4.8 L/yr |
Trainee
7
salaries
| ₹0.5 L/yr - ₹2.7 L/yr |
Executive Regulatory Affairs
7
salaries
| ₹2.4 L/yr - ₹4.1 L/yr |
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