Laser Power & Infra Deputy Manager Interview Questions and Answers

Q1. Explain the power plant cycle
Ans. 
Power plant cycle is a series of processes that convert fuel into electricity.
• Fuel is burned to produce heat

• Heat is used to boil water and create steam

• Steam turns a turbine which generates electricity

• Excess heat is released into the environment

• Water is cooled and recycled in the system
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Q2. Explain the various casting methods
Ans. 
Casting methods are processes used to create metal objects by pouring molten metal into a mold.
• Sand casting: uses sand molds to create the shape of the object

• Investment casting: uses wax patterns that are melted away to create the mold

• Die casting: uses metal molds to create complex shapes with high accuracy

• Permanent mold casting: uses reusable molds made of metal

• Centrifugal casting: rotates the mold to distribute the m
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Q3. What is batch production?
Ans. 
Batch production is a manufacturing process where products are made in groups or batches, rather than individually.
• Products are produced in specified quantities at a time

• Each batch goes through the whole production process together

• Common in industries like food processing, pharmaceuticals, and automotive manufacturing
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Q4. What are the steam properties in the supercritical stage?
Ans. 
Supercritical stage of steam refers to a state where it exhibits properties of both liquid and gas.
• Occurs at temperatures and pressures above the critical point

• Density and viscosity are similar to liquids, while diffusivity and compressibility are similar to gases

• No distinct boundary between liquid and gas phases

• Used in power plants for more efficient energy generation
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Q1. About VFD drives basics of VFD need to be strong
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Q2. Basics of power electronics need to be strong
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Q3. Should be ready to travel
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Q1. Technical questions on your experience
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Q1. Technical questions
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Q1. Salary discussion
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Q1. Solar module manufacturing process
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Q2. Module test pricess
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Q1. Salary justification
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Q2. Why do u want to join
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Q1. About experience and most of the about skills
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Q1. Tell me about yourself and skills
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Q1. Tell me about yourself and some technical questions
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Q2. Why you want to join
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Q1. Salary discussion
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Q2. Can you early Joining dates?
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Q1. What is normality test in six sigma
Ans. 
Normality test in Six Sigma is used to check if data follows a normal distribution, which is important for statistical analysis.
• Normality tests help ensure that the data meets the assumptions of the statistical tests being used in Six Sigma.

• Common normality tests include Shapiro-Wilk test, Kolmogorov-Smirnov test, and Anderson-Darling test.

• If data is not normally distributed, transformations or non-parametric tests may
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Q1. What is hypothesis test
Ans. 
Hypothesis testing is a statistical method used to make inferences about a population based on sample data.
• Hypothesis testing involves formulating a null hypothesis and an alternative hypothesis.

• The null hypothesis is assumed to be true until there is enough evidence to reject it.

• A significance level is chosen to determine the threshold for rejecting the null hypothesis.

• Common hypothesis tests include t-tests, chi-squa...read more
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Q1. Plant related questions like daily activities operation planning.
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Q1. Notice period, current salary & expectation.
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