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BigStep Technologies Interview Questions and Answers

Updated 29 Mar 2024

Q1. what is factor of safety?

Ans.

Factor of safety is a design parameter that accounts for uncertainties and variations in materials, loads, and other factors to ensure the safety of a structure or component.

  • Factor of safety is the ratio of the maximum stress a material can withstand to the maximum stress it is subjected to in a given application.

  • It is used to prevent failure due to unexpected conditions such as variations in material properties, manufacturing defects, or higher than expected loads.

  • For exampl...read more

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Q2. what is yield point?

Ans.

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

  • Yield point is the point on a stress-strain curve where the material transitions from elastic to plastic deformation.

  • It is the stress level at which the material no longer returns to its original shape after the stress is removed.

  • Yield point is an important factor in determining the strength and ductility of a material.

  • Example: Steel has a well-defined yield point, while some materials like aluminum ex...read more

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Q3. what is GD and T

Ans.

GD&T stands for Geometric Dimensioning and Tolerancing, a system for defining and communicating engineering tolerances.

  • GD&T is a symbolic language used on engineering drawings to specify the allowable variations in form, size, and orientation of features.

  • It helps ensure that parts fit together properly and function as intended.

  • GD&T uses symbols such as concentricity, flatness, perpendicularity, and position to communicate design requirements.

  • It is commonly used in industries ...read more

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Q4. stress strain diagram

Ans.

A stress-strain diagram shows the relationship between stress and strain in a material.

  • It typically consists of a linear elastic region, a yield point, and a plastic deformation region.

  • The slope of the linear region is the material's Young's Modulus.

  • The yield point is where the material begins to deform plastically.

  • The ultimate tensile strength is the maximum stress the material can withstand.

  • The area under the curve represents the material's toughness.

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Q5. What is DeadLock in OS

Ans.

Deadlock is a situation in which two or more competing actions are each waiting for the other to finish, preventing any of them from completing.

  • Occurs in multitasking environments

  • Caused by resource contention

  • Can be resolved using techniques like deadlock prevention, deadlock avoidance, and deadlock detection

  • Example: Process A holds Resource X and waits for Resource Y, while Process B holds Resource Y and waits for Resource X

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Q6. Difference between enum and Struct

Ans.

Enum is used to define a set of named constants while struct is used to define a collection of variables of different data types.

  • Enum is used to define a set of named constants, while struct is used to define a collection of variables of different data types.

  • Enum values are typically integers, while struct members can be of any data type.

  • Enums are used when you have a fixed set of values that won't change, while structs are used to group related variables together.

  • Example: en...read more

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Q7. Different Function Call Methods

Ans.

Different function call methods include pass by value, pass by reference, and pass by pointer.

  • Pass by value: Copies the value of the actual parameter into the formal parameter of the function.

  • Pass by reference: Passes a reference to the memory location of the actual parameter.

  • Pass by pointer: Passes the memory address of the actual parameter.

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Q8. Moral Motivation vs Monetary Motivation

Ans.

Moral motivation is driven by personal values and beliefs, while monetary motivation is driven by financial incentives.

  • Moral motivation is based on doing what is right or ethical, regardless of financial gain.

  • Monetary motivation involves being driven by financial rewards or incentives.

  • Some individuals may prioritize moral motivation over monetary motivation, while others may prioritize financial gain.

  • Examples: A person may choose to work for a non-profit organization out of a...read more

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Q9. What are Macros in C

Ans.

Macros in C are preprocessor directives that define constants or perform repetitive tasks.

  • Macros are defined using #define directive.

  • They are used to define constants like #define PI 3.14159.

  • Macros can also be used to create code snippets that can be reused multiple times.

  • For example, #define MAX(a, b) ((a) > (b) ? (a) : (b)) defines a macro to find maximum of two numbers.

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