HLL Lifecare Interview Questions and Answers

SQL in MYSQL is a query language used to interact with databases to retrieve, insert, update, and delete data.

• SQL stands for Structured Query Language

• It is used to communicate with databases like MYSQL to perform various operations

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE

• Example: SELECT * FROM table_name WHERE condition;

Motor works on the principle of electromagnetic induction to convert electrical energy into mechanical energy.

• Motor consists of a coil of wire (armature) that carries an electric current.

• When current flows through the coil, it creates a magnetic field around it.

• This magnetic field interacts with the magnetic field of the permanent magnets in the motor, causing the armature to rotate.

• The rotating armature then driv...read more

Calibration of pipette is the process of adjusting the pipette to ensure accurate and precise volume measurements.

• Calibration involves checking the accuracy of the pipette by comparing the volume it delivers to a known standard.

• Adjustments are made to the pipette if necessary to ensure accurate and precise measurements.

• Calibration should be done regularly to maintain the accuracy of the pipette.

• Examples of calibra...read more

The temperature of a BRT machine in normal work condition varies depending on the type of machine and the material being processed.

• The temperature can range from 100°C to 400°C depending on the machine and material.

• The temperature is usually controlled by the operator or a computerized system.

• The temperature may need to be adjusted based on the desired outcome of the process.

• The temperature can affect the quality ...read more

Laboratory test techniques involve various methods used to analyze samples in a laboratory setting.

• Common laboratory test techniques include microscopy, chromatography, spectrophotometry, and immunoassays.

• Microscopy involves using microscopes to examine samples at a microscopic level.

• Chromatography separates components of a mixture based on their different interactions with a stationary phase and a mobile phase.

• Sp...read more

Internal billing reporting refers to the process of tracking and analyzing financial transactions within a company.

• Internal billing reports help companies identify areas of financial inefficiency and make informed decisions about budgeting and spending.

• These reports may include information on revenue, expenses, and profit margins for different departments or projects.

• Examples of internal billing reports include ba...read more