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I was interviewed in Jan 2025.
Star delta starter is a type of reduced voltage starter used for starting high power motors.
Consists of two contactors - one for star connection and one for delta connection
Reduces starting current and torque to prevent damage to motor windings
Commonly used for motors with high starting current requirements, such as induction motors
Hysteresis loss can be calculated using the area enclosed by the hysteresis loop on a B-H curve.
Calculate the area enclosed by the hysteresis loop on a B-H curve
Use the formula: Hysteresis Loss = ∮B.dH
Consider the material's properties and operating conditions for accurate calculation
Skin effect is the tendency of alternating current to flow near the surface of a conductor, due to self-inductance.
Skin effect is more prominent at higher frequencies.
It causes the effective resistance of the conductor to increase.
Skin effect can be reduced by using hollow conductors or by using stranded conductors.
Example: Skin effect is a common phenomenon in high-frequency transmission lines.
Fluorescent effect is the emission of light by a substance that has absorbed light or other electromagnetic radiation.
Fluorescent effect occurs when a substance absorbs light at a specific wavelength and then re-emits light at a longer wavelength.
Common examples include fluorescent light bulbs, glow-in-the-dark materials, and certain minerals that glow under UV light.
Fluorescent materials can be used in various applica...
In a parallel circuit, components are connected in separate branches, allowing current to flow through multiple paths. In a series circuit, components are connected in a single path, where current flows through each component in sequence.
Parallel circuit allows current to flow through multiple paths, while series circuit has only one path for current.
In a parallel circuit, voltage across each component is the same, whi...
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I applied via Company Website and was interviewed before Jan 2024. There was 1 interview round.
I applied via Walk-in and was interviewed in Aug 2022. There were 3 interview rounds.
I was interviewed in Aug 2024.
A mechanical engineer is a professional who designs, develops, and maintains mechanical systems and machinery.
Designing and analyzing mechanical systems
Developing prototypes and testing them for efficiency
Maintaining and troubleshooting mechanical equipment
Collaborating with other engineers and professionals on projects
The motor is a device that converts electrical energy into mechanical energy to power machinery or equipment.
Motors can be found in various applications such as industrial machinery, household appliances, and vehicles.
There are different types of motors including AC motors, DC motors, and servo motors.
Motors consist of a rotor, stator, and various components such as coils, magnets, and brushes.
Common examples of motors...
There are two main types of motors: AC motors and DC motors.
AC motors: Alternating current motors that are commonly used in household appliances and industrial applications.
DC motors: Direct current motors that are often used in battery-operated devices and automotive applications.
A turbine is a machine that converts the energy in a fluid flow into mechanical energy.
Turbines are commonly used in power plants to generate electricity.
There are different types of turbines such as steam turbines, gas turbines, and wind turbines.
Turbines have blades that rotate when the fluid flow passes through them, causing a shaft to spin and generate power.
The Bering is a strait that separates Russia and Alaska.
The Bering Strait is a narrow passage of water connecting the Arctic Ocean to the Bering Sea.
It separates the easternmost point of Asia from the westernmost point of North America.
Named after the explorer Vitus Bering who first documented it in 1728.
I was interviewed in Sep 2023.
posted on 4 Jan 2023
I applied via Company Website
30 questions related maths
I applied via Company Website and was interviewed in Jan 2023. There was 1 interview round.
posted on 2 Mar 2022
I was interviewed in Feb 2022.
I applied via Company Website and was interviewed before Jan 2024. There was 1 interview round.
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