Lohia Corp Graduate Engineer Interview Questions and Answers

Thermal background required to crack this down

General topics on discussion,

Q1. Depends on the interviewer, basically thermal related questions can be a major topic
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Q1. Final round where they negotiate your salary
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Q1. Basic Technical Questions
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Q2. What Skills do you have
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Q1. 1 Tell me about yourself. 2 What do you know about ISGEC. 3 why do you leave last job. 4 why do you wantwork here. 5 How many years experience you have. 6 What is your previous salary. 7 what is your s...read more
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Q1. 1 what is Design. 2 Tell me about GD&T 3 what is joints and its type. 4 tell me about all standards use in design. 5 What is failure. 6 Tell me about properties of material . 7 What is vernier caliper ...read more
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Design Engineer interview questions covering topics like design, GD&T, joints, standards, failure, material properties, vernier caliper, boiler, Bernoulli theorem, Pascal law, welding.
• Design is the process of creating a solution to a problem or need.

• GD&T (Geometric Dimensioning and Tolerancing) is a system for defining and communicating engineering tolerances.

• Joints are connections between two or more parts, types incl...read more
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Q2. What is 3d software.
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3D software is a type of computer program used to create, manipulate, and render three-dimensional images or animations.
• Allows users to design and model objects in a three-dimensional space

• Commonly used in industries such as architecture, engineering, animation, and gaming

• Examples include AutoCAD, SolidWorks, Blender, and Maya
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Q3. What is structure and how use for our.
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Structure in design engineering refers to the arrangement and organization of components to form a cohesive system.
• Structure in design engineering involves organizing components in a way that ensures functionality and efficiency.

• It helps in distributing loads and forces effectively throughout the system.

• Structural analysis is used to ensure that the design can withstand various loads and stresses.

• Examples include desig...read more
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Q1. General introduction
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Q2. Materials, product development
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Q3. Manufacturing process
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Q4. Sheetmetal process
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Asking about ratio related qst and profit loss regarding or engineering regarding

Q1. Gd&t, Surface roughnesss
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Q1. Different units of pressure
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Units of pressure include pascal, bar, atmosphere, and psi.
• Pascal (Pa) is the SI unit of pressure

• Bar is commonly used in meteorology and scuba diving

• Atmosphere (atm) is the average pressure at sea level on Earth

• Pounds per square inch (psi) is used in engineering and automotive industries
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Q2. Failure stress for spring
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Failure stress for spring is the maximum stress a spring can withstand before permanent deformation or breakage.
• Failure stress is determined by the material properties of the spring.

• Factors affecting failure stress include material type, manufacturing process, and design considerations.

• Examples of failure stress for springs include tensile strength, yield strength, and ultimate strength.
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Q3. Sub-type or specific failure stress for springs
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Sub-type or specific failure stress for springs can include yield stress, ultimate tensile stress, fatigue stress, etc.
• Different types of springs may have different failure stresses

• Yield stress is the point at which a material begins to deform plastically

• Ultimate tensile stress is the maximum stress a material can withstand before failure

• Fatigue stress is the stress level at which a material fails after repeated loadin...read more
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Q4. Synchronous speed defination and formula
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Synchronous speed is the speed at which the magnetic field rotates in a synchronous motor.
• Synchronous speed is determined by the frequency of the power supply and the number of poles in the motor.

• Formula for synchronous speed: Ns = 120f / P, where Ns is synchronous speed in RPM, f is frequency in Hz, and P is number of poles.

• For example, a 4-pole motor connected to a 60 Hz power supply would have a synchronous speed of...read more
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Q5. Types of stresses and examples of each
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Types of stresses include tensile, compressive, shear, bending, and torsional.
• Tensile stress: pulling force that stretches material apart (e.g. stretching a rubber band)

• Compressive stress: pushing force that squeezes material together (e.g. pressing on a spring)

• Shear stress: force that causes layers of material to slide past each other (e.g. cutting paper with scissors)

• Bending stress: combination of tensile and compres...read more
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Q6. Difference between stress and pressure
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