Vaidik Eduservices Interview Questions and Answers

Q1. What is a simple supported Beam?
Ans. 
A simple supported beam is a beam that is supported at both ends and is free to rotate and undergo vertical movement.
• Supported at both ends

• Free to rotate

• Free to undergo vertical movement
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Q2. Difference between consolidation and compaction of soils?
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Consolidation is the gradual settlement of soil due to expulsion of water, while compaction is the process of increasing soil density by reducing air voids.
• Consolidation is a time-dependent process, while compaction is typically achieved in a short period of time.

• Consolidation occurs due to the expulsion of water from soil voids under load, while compaction involves applying external force to reduce air voids.

• Consolida...read more
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Q3. What is point of contraflaxure ?
Ans. 
Point of contraflexure is the point in a beam where the bending moment changes sign.
• Point of contraflexure is where the bending moment is zero.

• It is the point where the bending moment changes from positive to negative or vice versa.

• It is typically located between two points of maximum bending moment.

• In a simply supported beam with a uniformly distributed load, the point of contraflexure is at the center of the beam.
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Q4. Define determinate and non determinate structures
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Determinate structures have fixed dimensions and can be analyzed using equations, while non-determinate structures have redundant members and require additional analysis methods.
• Determinate structures have a fixed number of unknown forces that can be solved using equilibrium equations.

• Non-determinate structures have more unknown forces than equilibrium equations, requiring additional analysis methods like virtual work ...read more
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Q5. What do you understand by the role subject matter expert?
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Subject Matter Expert is an individual with deep knowledge and expertise in a specific technical area.
• Subject Matter Experts have in-depth knowledge and expertise in a specific technical area.

• They are often consulted for their expertise and guidance on complex technical issues.

• Subject Matter Experts stay updated with the latest trends and developments in their field.

• They may be responsible for training and mentoring ot...read more
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Q1. What is distillation
Ans. 
Distillation is a separation process that utilizes differences in boiling points to separate components in a liquid mixture.
• Used in the production of alcoholic beverages, e.g., whiskey and vodka.

• Commonly applied in petroleum refining to separate crude oil into gasoline, diesel, and other products.

• Involves heating a liquid to create vapor and then cooling the vapor to form a liquid.

• Can be performed in batch or continuou...read more
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Q2. What is third law of thermodynamics
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The third law of thermodynamics states that as temperature approaches absolute zero, the entropy of a perfect crystal approaches zero.
• Entropy is a measure of disorder; at absolute zero, a perfect crystal has no disorder.

• The third law helps in understanding the behavior of materials at very low temperatures.

• It implies that it's impossible to reach absolute zero in a finite number of steps.

• Example: Helium becomes a super...read more
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Q3. What is batch reactor
Ans. 
A batch reactor is a closed system where reactants are added, allowed to react, and products are removed in discrete batches.
• Used in chemical processes like pharmaceuticals, food production, and polymers.

• Examples include fermentation tanks for brewing beer and reactors for producing biodiesel.

• Batch reactors allow for precise control over reaction conditions.

• They are ideal for small-scale production or when product dema...read more
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Q1. What is the Laplace formula?
Ans. 
The Laplace formula is a mathematical equation used to calculate the Laplace transform of a function.
• The Laplace formula is used in mathematics to transform a function of time into a function of complex frequency.

• It is commonly used in control theory, signal processing, and other areas of engineering.

• The formula is expressed as L{f(t)} = F(s) = ∫[0,∞] e^(-st) f(t) dt, where L{f(t)} represents the Laplace transform of f...read more
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Q2. Difference between stokes theorem and gauss theorem
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Stokes theorem relates a surface integral of a vector field to a line integral of the field's curl. Gauss theorem relates a volume integral of a vector field to a surface integral of the field's divergence.
• Stokes theorem is used to relate a surface integral of a vector field to a line integral of the field's curl

• Gauss theorem is used to relate a volume integral of a vector field to a surface integral of the field's div...read more
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Q1. Difference between weather and climate ?
Ans. 
Weather refers to short-term atmospheric conditions, while climate is the long-term average of those conditions.
• Weather is what you experience daily; for example, it might be sunny today.

• Climate is the average weather over a long period; for instance, a region may have a tropical climate.

• Weather can change rapidly, such as a sudden rainstorm, while climate changes more slowly over decades or centuries.

• Meteorologists st...read more
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Q2. What are the types of rocks and their examples?
Ans. 
Rocks are classified into three main types: igneous, sedimentary, and metamorphic, each with unique formation processes.
• Igneous rocks form from cooled magma or lava. Example: Granite.

• Sedimentary rocks are formed from the accumulation of sediments. Example: Sandstone.

• Metamorphic rocks arise from the transformation of existing rocks under heat and pressure. Example: Schist.
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Q3. What is the difference between P wave and S wave?
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P waves are primary waves that travel through solids and liquids, while S waves are secondary waves that only move through solids.
• P waves (Primary waves) are compressional waves that move faster than S waves.

• S waves (Secondary waves) are shear waves that can only travel through solid materials.

• Example: P waves can travel through the Earth's liquid outer core, while S waves cannot.

• P waves are the first to be detected by...read more
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Q4. What is Ocean Acidification ?
Ans. 
Ocean acidification is the process by which the ocean becomes more acidic due to increased CO2 absorption.
• Caused by increased atmospheric CO2 from human activities like burning fossil fuels.

• Leads to lower pH levels in ocean water, affecting marine life.

• Coral reefs are particularly vulnerable; acidification hampers their ability to calcify.

• Shellfish, such as oysters and clams, struggle to form shells in more acidic wate...read more
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Q5. What is Typhoon?
Ans. 
A typhoon is a powerful tropical cyclone that forms in the Northwest Pacific Ocean, characterized by strong winds and heavy rain.
• Typhoons are classified as tropical cyclones with sustained winds exceeding 74 mph.

• They typically form over warm ocean waters and can cause severe weather events.

• Examples include Typhoon Haiyan (2013) and Typhoon Mangkhut (2018), both causing significant damage.

• Typhoons can lead to storm surg...read more
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Basic question regarding the su bhject and the topic provides

Q1. Basic question about employee
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Q2. About previous job
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Q1. What to do in case of recession
Ans. 
During a recession, it is important to focus on financial stability, cut unnecessary expenses, diversify income sources, and upskill for better job opportunities.
• Focus on financial stability by creating a budget and reducing unnecessary expenses

• Diversify income sources by exploring freelance work or part-time jobs

• Upskill by taking online courses or certifications to improve job prospects

• Consider investing in recession-...read more
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Q2. Eg of perfect substuitutes
Ans. 
Perfect substitutes are goods that can be used in place of each other with no loss of utility.
• Goods that have identical functions and qualities

• Consumers are indifferent between the two options

• Examples: margarine and butter, Coke and Pepsi
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A problem on cournot model

Q1. Tell me about yourself
Ans. 
I am an experienced HR Executive Recruiter with a strong track record of successfully matching top talent with leading companies.
• Over 5 years of experience in recruiting and talent acquisition

• Proven ability to source, screen, and interview candidates

• Strong network of industry contacts and knowledge of best practices

• Successfully placed candidates in roles at Fortune 500 companies

• Skilled in negotiating offers and managin...read more
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Q2. Na
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