Degania Medical Devices
10+ Rhydburg Pharmaceuticals Interview Questions and Answers
Q1. 1. Difference between cp, cpk and pp, Ppk ?
Cp, Cpk, Pp, and Ppk are statistical process capability indices used to measure the ability of a process to produce products within specification limits.
Cp and Cpk are used for short-term process capability analysis, while Pp and Ppk are used for long-term process capability analysis.
Cp measures the potential capability of a process to meet specifications, while Cpk measures the actual capability of a process to meet specifications considering the process mean and variation.
P...read more
Q2. 9. What is PFMEA, it's types, and priority for taking action on RPN ?
PFMEA is a risk assessment tool used in industrial engineering to identify and prioritize potential failures.
PFMEA stands for Process Failure Mode and Effects Analysis
It is used to identify potential failures in a process and prioritize them based on their severity, occurrence, and detectability
There are three types of PFMEA: Design FMEA, Process FMEA, and System FMEA
RPN (Risk Priority Number) is calculated by multiplying the severity, occurrence, and detectability scores for...read more
Q3. 10. What is Lean, 8 wastes, DMAIC tools and difference ?
Lean is a methodology to eliminate waste and improve efficiency. 8 wastes are non-value adding activities. DMAIC is a problem-solving tool.
Lean is a systematic approach to identify and eliminate waste in processes
8 wastes are defects, overproduction, waiting, non-utilized talent, transportation, inventory, motion, and extra processing
DMAIC is a problem-solving tool used in Six Sigma methodology
DMAIC stands for Define, Measure, Analyze, Improve, and Control
The difference betwe...read more
Q4. 5. What are the control charts and their application ?
Control charts are statistical tools used to monitor and control a process over time.
They help identify if a process is stable or unstable.
They can be used to detect and correct problems in a process.
Common types include X-bar and R charts, p charts, and c charts.
They are widely used in manufacturing, healthcare, and other industries.
Example: A hospital might use a control chart to monitor the number of patient falls per month.
Example: A factory might use a control chart to m...read more
Q5. 2. What is Hypothesis testing and its types ?
Hypothesis testing is a statistical method to test a hypothesis about a population parameter.
It involves formulating a null hypothesis and an alternative hypothesis.
The null hypothesis assumes that there is no significant difference between the sample and population.
The alternative hypothesis assumes that there is a significant difference between the sample and population.
Types of hypothesis testing include one-tailed and two-tailed tests, and parametric and non-parametric te...read more
Q6. 7. What is Line Balancing, it's steps and methods ?
Line balancing is the process of evenly distributing work among production lines to optimize efficiency.
Identify tasks and their sequence
Determine cycle time for each task
Calculate the minimum number of workstations needed
Assign tasks to workstations
Evaluate and adjust as necessary
Methods include longest task time, shortest task time, and ranked positional weight
Example: A car assembly line where each workstation has a specific task such as installing the engine or attaching ...read more
Q7. 4. What is MSA and types and their application ?
MSA stands for Measurement System Analysis. It is used to evaluate the measurement system's ability to provide accurate and reliable data.
MSA is used to identify and quantify the sources of variation in a measurement system.
It helps in determining the accuracy, precision, and stability of the measurement system.
There are two types of MSA: Attribute Agreement Analysis and Variable Gauge R&R Analysis.
Attribute Agreement Analysis is used for qualitative data while Variable Gauge...read more
Q8. 6. What is regression and correlation ?
Regression and correlation are statistical methods used to analyze the relationship between two variables.
Regression is used to predict the value of one variable based on the value of another variable.
Correlation measures the strength and direction of the relationship between two variables.
Regression and correlation are often used in industrial engineering to analyze data and make predictions.
Examples of regression and correlation include analyzing the relationship between pr...read more
Q9. 8. What is PFD and their symbols ?
PFD stands for Process Flow Diagram, which is a graphical representation of a process.
PFDs are used to show the flow of materials, energy, and information through a process.
They use symbols to represent equipment, valves, instruments, and other components.
PFDs are often used in chemical and process engineering to design and optimize processes.
Some common symbols used in PFDs include pumps, tanks, heat exchangers, and control valves.
Q10. 3. Types of DOE and sample size calculation ?
DOE types include screening, factorial, response surface, and mixture designs. Sample size calculation depends on the type of DOE.
Screening designs are used to identify the most important factors affecting a response.
Factorial designs are used to study the effects of multiple factors and their interactions.
Response surface designs are used to optimize a response by finding the best combination of factors.
Mixture designs are used when the factors are proportions of different c...read more
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