Senvion Interview Questions and Answers

Inox wind turbine generators often face bearing failures due to various operational and environmental factors.

• Lubrication Issues: Insufficient or contaminated lubrication can lead to increased friction and wear, causing premature bearing failure.

• Misalignment: Improper alignment of the generator shaft can create uneven loads on the bearings, leading to damage over time.

• Vibration: Excessive vibration from the turbin...read more

I am a passionate lead engineer with over 8 years of experience in software development and team leadership.

• Background in computer science with a focus on software engineering.

• Led a team of 10 engineers on a successful project that improved system efficiency by 30%.

• Skilled in Agile methodologies, having implemented Scrum practices in previous roles.

• Strong problem-solving abilities, demonstrated by resolving critic...read more

dv/dt and du/dt filters manage voltage and current changes in electrical systems, ensuring stability and performance.

• dv/dt filter limits the rate of voltage change to protect components from voltage spikes.

• Example: Used in motor drives to prevent insulation breakdown.

• du/dt filter limits the rate of current change, reducing electromagnetic interference.

• Example: Commonly used in power electronics to enhance system r...read more

Pseudo elements are used in CSS to style specific parts of an element.

• Pseudo elements are denoted by double colons (::) in CSS.

• They allow styling of specific parts of an element, like the first letter or line.

• Common pseudo elements include ::before, ::after, ::first-line, and ::first-letter.

Normal functions are defined using the function keyword, while arrow functions are defined using the => syntax.

• Normal functions are hoisted, while arrow functions are not hoisted.

• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have their own 'arguments' object.

• Arrow functions are more concise and have implicit return.

• Arrow functions cannot be used ...read more

Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.

• Variable and function declarations are hoisted to the top of their scope.

• Only declarations are hoisted, not initializations.

• Function declarations take precedence over variable declarations.

• Example: console.log(myVar); var myVar = 10; // Output: undefined

• Example: ...read more

React is a popular JavaScript library for building user interfaces.

• Component-based architecture for reusability and easy maintenance

• Virtual DOM for efficient updates and performance optimization

• JSX syntax for writing HTML within JavaScript

• One-way data binding for predictable data flow

• Support for server-side rendering for improved SEO

• Large community and ecosystem with many third-party libraries and tools

ContextAPI is a built-in feature in React for managing global state, while Redux is a separate library for state management in React applications.

• ContextAPI is built into React, while Redux is a separate library.

• ContextAPI is primarily used for managing global state in a React application.

• Redux provides a centralized store for state management and follows a unidirectional data flow.

• ContextAPI is simpler to use for...read more