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I applied via Recruitment Consulltant and was interviewed before Dec 2023. There was 1 interview round.
The stress-strain diagram of steel shows the relationship between stress (force applied) and strain (resulting deformation).
The diagram typically consists of a linear elastic region, a yield point, a plastic region, and a fracture point.
In the linear elastic region, stress and strain are directly proportional according to Hooke's Law.
The yield point is where the material begins to deform plastically.
The plastic region ...
Mechanical properties of materials include strength, stiffness, toughness, hardness, ductility, and elasticity.
Strength: Ability to withstand applied force without failure (e.g. tensile strength, compressive strength)
Stiffness: Resistance to deformation under load (e.g. Young's modulus)
Toughness: Ability to absorb energy and deform plastically before fracturing (e.g. impact toughness)
Hardness: Resistance to indentation...
The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time.
Entropy in a closed system tends to increase over time
Heat naturally flows from hot to cold objects
Efficiency of energy conversion processes is limited by the second law of thermodynamics
I applied via Approached by Company and was interviewed before Feb 2022. There were 2 interview rounds.
Shell thickness calculation involves considering factors like material properties, pressure, and temperature.
Shell thickness calculation involves determining the minimum thickness required to withstand the pressure and temperature of the fluid inside the shell.
Factors to consider include material properties, pressure, temperature, and corrosion allowance.
Heat treatment process involves heating and cooling a material to...
Properties of material refer to its physical and chemical characteristics.
Physical properties include density, melting point, boiling point, and conductivity.
Chemical properties include reactivity, flammability, and toxicity.
Materials can also have mechanical properties such as strength, toughness, and elasticity.
Examples of materials and their properties include steel (high strength and hardness), aluminum (low densit...
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I applied via Recruitment Consulltant and was interviewed in Sep 2024. There was 1 interview round.
Allowable stress values vary depending on the material and type of loading (tension, compression, shear).
Allowable stress values are typically provided by material specifications or codes.
For example, for structural steel in tension, the allowable stress might be around 0.6 times the yield strength.
In compression, the allowable stress might be lower than in tension due to buckling considerations.
For shear, the allowabl...
The crane standard commonly used for designing is ASME B30.2.
ASME B30.2 is a widely recognized standard for designing cranes
It provides guidelines for the design, inspection, testing, maintenance, and operation of cranes
Other standards like ISO 4301 and CMAA also used in crane design
posted on 22 Mar 2024
I applied via Referral and was interviewed in Sep 2023. There were 2 interview rounds.
Gears or transmission are mechanical components used to transfer power from one part of a machine to another.
Gears are toothed wheels that mesh together to transmit motion and power.
They can change the speed, torque, and direction of a power source.
Types of gears include spur gears, helical gears, bevel gears, and worm gears.
Transmissions are systems that use gears to control the power and speed of a vehicle.
They can b...
A simply supported beam is a beam supported at both ends with no moment resistance.
Draw a straight horizontal line to represent the beam
Add two vertical lines at each end to represent the supports
Label the supports as 'A' and 'B'
You can add a distributed load or point load for additional detail
posted on 5 Apr 2024
posted on 24 Apr 2024
posted on 12 Sep 2023
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