Cohance Lifesciences Senior Executive Interview Questions and Answers

My self yerravally Rakesh Goud.
My graduation bsc biotechnology in osmania university my inter Geetanjali junior college.qnd SCC ZPHS in nemtoor

My self yerravally Rakesh Goud.im came from Telangana district and my education background i studied at osmania university bsc biotechnology and intermediate Geethanjali junior college and my ssc ZPHS nemtoor current working in Sanofi Healthcare Pvt Ltd india

Q1. How can calculate HVAC efficiency
Ans. 
HVAC efficiency can be calculated by dividing the useful output by the total input.
• Calculate the useful output of the HVAC system, such as the amount of heating or cooling provided to the space.

• Determine the total input of the HVAC system, including the energy consumed by the system.

• Divide the useful output by the total input to get the efficiency percentage.

• Efficiency (%) = (Useful Output / Total Input) * 100

• For examp...read more
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Q2. What is filter integrity test and how to do.
Ans. 
Filter integrity test is a method to ensure the filter is functioning properly by testing its ability to retain particles of a certain size.
• Filter integrity test is performed to verify the effectiveness of a filter in retaining particles of a specific size.

• Common methods include bubble point test, diffusion test, pressure hold test, and water intrusion test.

• The test results are compared against established acceptance c...read more
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Q3. Area classification as per USFDA guidelines and ISO guidelines
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Q4. How can perform PAO test. And concentration ratio
Ans. 
Performing PAO test involves measuring the concentration ratio of a substance in a solution.
• Prepare a known concentration of the substance to be tested

• Measure the absorbance of the solution at a specific wavelength using a spectrophotometer

• Plot a standard curve using known concentrations of the substance

• Calculate the concentration of the unknown sample using the standard curve

• Concentration ratio can be calculated by di...read more
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Q5. Class ISO 7 partical count
Ans. 
ISO 7 particle count refers to the cleanliness level of air in a controlled environment.
• ISO 7 classifies air cleanliness based on the number of particles per cubic meter.

• Lower particle counts indicate cleaner air and higher particle counts indicate more contamination.

• ISO 7 is commonly used in cleanrooms and controlled environments to maintain quality standards.

• Example: ISO 7 particle count may be 10,000 particles per c
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Q6. What is DX coil
Ans. 
DX coil is a type of coil used in air conditioning systems to transfer heat between the indoor and outdoor units.
• DX coil stands for Direct Expansion coil

• It is a key component in air conditioning systems

• DX coils are used to transfer heat between the refrigerant and the air being circulated in the system

• They are commonly found in split air conditioning systems
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Q1. Technical features and design and development
Ans. 
Technical features and design and development are crucial for successful product development.
• Technical features should be aligned with the product's purpose and target audience.

• Design and development should be user-centered and iterative.

• Collaboration between technical and design teams is essential for seamless integration.

• Regular testing and feedback loops ensure continuous improvement.

• Examples: Apple's iPhone design ...read more
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Q2. Biography and future plans and desired position
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Q1. Requirements and growth plan
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Q1. Subject for your work
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Q1. Package and stability
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Q1. Related to QMS elements
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Q2. CAPA Change control deviation
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Q1. What media is used for the analysis of Total Aerobic Microbial Count (TAMC) in water?
Ans. 
Membrane filtration method is commonly used for the analysis of Total Aerobic Microbial Count (TAMC) in water.
• Membrane filtration method is commonly used for TAMC analysis in water

• Other methods include pour plate method and spread plate method

• Membrane filters are used to trap and grow bacteria colonies for counting

• Results are expressed as colony forming units per milliliter (CFU/mL)
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Q2. What is the limit water BET
Ans. 
The limit of water BET refers to the maximum amount of water that can be adsorbed onto a material's surface using the BET method.
• The limit of water BET is typically around 40-50% relative humidity.

• It is important to consider the specific surface area and pore size distribution of the material when determining the water BET limit.

• For example, materials with larger surface areas and smaller pore sizes may have higher wat...read more
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