Worley Interview Questions, Process, and Tips

Basic Aptitude Questions Reasoning & Verbal Ability

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Q1. What are the tensile forces acts on material
Ans. 
Tensile forces are forces that stretch or pull materials apart.
• Tensile forces act in the opposite direction of compressive forces

• Examples of tensile forces include stretching a rubber band or pulling on a rope

• Tensile strength is a measure of a material's ability to withstand tensile forces
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Q2. Write all formulas you know of Fluid Mechanics
Ans. 
Formulas in Fluid Mechanics
• Bernoulli's equation: P + 0.5ρv^2 + ρgh = constant

• Continuity equation: A1v1 = A2v2

• Navier-Stokes equation: ρ(∂v/∂t + v∇v) = -∇P + μ∇^2v + ρg

• Ideal gas law: PV = nRT

• Poiseuille's Law: Q = πr^4(ΔP)/(8ηL)
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Q3. Laws of thermodynamics
Ans. 
The fundamental laws of thermodynamics govern the behavior of energy in systems.
• First Law of Thermodynamics: Energy cannot be created or destroyed, only transferred or converted.

• Second Law of Thermodynamics: The entropy of an isolated system will always increase over time.

• Third Law of Thermodynamics: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.

• Examples: A car engine conve...read more
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Q4. What is Fouriers Law write its equation
Ans. 
Fourier's Law describes the flow of heat through a material.
• Fourier's Law states that the rate of heat transfer through a material is directly proportional to the negative gradient of temperature and the area perpendicular to the direction of heat flow.

• The equation for Fourier's Law is q = -k * A * (dT/dx), where q is the heat transfer rate, k is the thermal conductivity of the material, A is the cross-sectional area, ...read more
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Q5. Explain Iron Carbon phase diagram
Ans. 
The Iron-Carbon phase diagram illustrates the phases and microstructures of iron-carbon alloys as a function of temperature and composition.
• Shows the phases of iron and carbon at different temperatures and compositions

• Includes regions for austenite, ferrite, cementite, and pearlite

• Critical points such as eutectic point and eutectoid point are marked

• Used to predict the microstructure of steel based on composition and he
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Q6. Stress Strain Curve Explain
Ans. 
The stress-strain curve shows the relationship between stress (force applied) and strain (resulting deformation) in a material.
• The curve typically consists of three main regions: elastic deformation, plastic deformation, and fracture.

• In the elastic region, the material deforms elastically and returns to its original shape when the stress is removed.

• The plastic region is where permanent deformation occurs, but the mater...read more
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Q7. Calculate SFD & BMD
Ans. 
SFD and BMD are calculated using equations of equilibrium and relationships between load, shear force, and bending moment.
• Calculate reactions at supports using equations of equilibrium

• Determine the shear force at different points along the beam by considering the applied loads and reactions

• Calculate the bending moment at different points by integrating the shear force diagram

• Plot the SFD and BMD based on the calculated...read more
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Q8. How to Calculate velocity of fluid flowing through pipe
Ans. 
Velocity of fluid flowing through a pipe can be calculated using the formula Q = A * V, where Q is the flow rate, A is the cross-sectional area of the pipe, and V is the velocity of the fluid.
• Calculate the cross-sectional area of the pipe using the formula A = π * r^2, where r is the radius of the pipe.

• Determine the flow rate (Q) of the fluid, which is typically measured in cubic meters per second (m^3/s) or liters per...read more
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Q9. What is Difference between entropy and enthalpy
Ans. 
Entropy is a measure of disorder or randomness in a system, while enthalpy is a measure of the heat energy in a system.
• Entropy is a thermodynamic property that measures the amount of energy in a system that is not available to do work.

• Enthalpy is a thermodynamic property that measures the total heat content of a system.

• Entropy increases in irreversible processes, while enthalpy remains constant.

• Entropy is denoted by S,...read more
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Q10. Draw Refrigeration Cycle Graph
Ans. 
The Refrigeration Cycle graph shows the process of cooling a space by transferring heat from inside to outside.
• The cycle starts with the refrigerant entering the compressor as a low-pressure gas.

• The refrigerant is compressed, raising its temperature and pressure, before entering the condenser where it releases heat to the surroundings.

• After losing heat, the refrigerant becomes a high-pressure liquid and flows into the ...read more
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Q11. Draw vapour absorption cycle graph
Ans. 
The vapor absorption cycle graph shows the relationship between pressure, temperature, and enthalpy during the process.
• The graph typically shows pressure on the y-axis and temperature on the x-axis.

• It includes lines representing the various stages of the cycle such as evaporation, absorption, and desorption.

• The enthalpy values at different points in the cycle can also be plotted on the graph.

• Example: The graph will sho...read more
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Q12. Draw Rankine otto & diesel cycle graph
Ans. 
The Rankine, Otto, and Diesel cycle graphs are commonly used in thermodynamics to analyze different types of heat engines.
• The Rankine cycle is used in steam power plants and consists of four processes: heat addition, isentropic expansion, heat rejection, and isentropic compression.

• The Otto cycle is used in spark-ignition engines and consists of four processes: isentropic compression, constant volume heat addition, isen...read more
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GD topic was "pros and cons of strat ups"
Everty member who gave GD was eligible for interview
They gave marks for every candidate

Electrical based and aptitude

About renewable and all were interactive

Q1. About our technical knowledge
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Q1. About us intro strength weakness projects intern
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It was a one hour test including aptitute and subject matter questions

We were divided in groups of 14 people. GD went for around 15 mins and the topic was Russia ukraine war.

Q1. Draw and explain Rankine cycle
Ans. 
Rankine cycle is a thermodynamic cycle used in steam power plants to generate electricity.
• Rankine cycle consists of four main components: a pump, a boiler, a turbine, and a condenser.

• Water is pumped into the boiler where it is heated to create high pressure steam.

• The high pressure steam is then fed into a turbine where it expands, producing mechanical work.

• After exiting the turbine, the steam is condensed back into wat...read more
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Q2. Internship related technical questions
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