Construction Group B Tech Civil Engineer Interview Questions and Answers

The density of soil in the embankment layer varies depending on the type of soil and compaction methods used.

• The density of soil in the embankment layer is typically measured in terms of dry density or wet density.

• Dry density refers to the mass of solid soil particles per unit volume of soil, while wet density includes the mass of water as well.

• The density of soil in the embankment layer is influenced by factors such a...read more

OOPs concepts are the fundamental principles of object-oriented programming.

• Abstraction: Hiding implementation details and showing only necessary information.

• Encapsulation: Binding data and functions together in a single unit.

• Inheritance: Acquiring properties and behavior of a parent class by a child class.

• Polymorphism: Ability of an object to take many forms or have multiple behaviors.

• Class: Blueprint for creating obj...read more

Joins are used to combine data from two or more tables based on a related column between them.

• Joins are used to retrieve data from multiple tables in a single query.

• There are different types of joins such as inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows from both tables.

• Left join returns all the rows from the left table and matching rows from the right table.

• Right join...read more

Selenium is a tool used for automating web browsers. Locator is used to locate elements on a web page. Webdriver is a tool used for controlling a web browser. Action class is used for performing advanced user interactions.

• Selenium is a popular open-source tool for automating web browsers

• Locator is used to identify elements on a web page using various attributes like ID, class, name, etc.

• Webdriver is a tool used for con...read more

Dropdowns can be handled using automation tools or by writing custom code.

• Use automation tools like Selenium to interact with dropdowns

• Identify the dropdown element using its HTML tag and attributes

• Select an option from the dropdown using the 'select' class in Selenium

• Alternatively, write custom code to handle dropdowns using JavaScript or jQuery

• Ensure the dropdown options are loaded before interacting with them

XPath is a language used to navigate and select elements in an XML or HTML document.

• Use the '//' symbol to select any element in the document

• Use the '/' symbol to select a child element of the current element

• Use '@' to select an attribute of an element

• Use '[]' to add conditions to the selection

• Example: //div[@class='example'] selects all div elements with class 'example'

Exceptions faced in Selenium

• ElementNotVisibleException

• StaleElementReferenceException

• NoSuchElementException

• TimeoutException

• UnhandledAlertException