10+ ALPTECH SOFTWARE SOLUTIONS Interview Questions and Answers

Exceptions faced in Selenium

• ElementNotVisibleException

• StaleElementReferenceException

• NoSuchElementException

• TimeoutException

• UnhandledAlertException

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 controlling a web browser and interacting with web elements

• We...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

Zener diode parameters include breakdown voltage, maximum power dissipation, and reverse leakage current.

• Breakdown voltage is the voltage at which the diode starts conducting in reverse bias

• Maximum power dissipation is the maximum amount of power the diode can handle without getting damaged

• Reverse leakage current is the current that flows through the diode in reverse bias

• Zener diodes are commonly used in voltage regulation and protection circuits

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 returns all the rows from the right table and matching ro...read more

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'

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 objects.

• Object: Instance of a class.

• Method: Function defined ...read more

A MOSFET is a type of transistor used for amplification and switching of electronic signals.

• MOSFET stands for Metal-Oxide-Semiconductor Field-Effect Transistor

• It has three terminals: source, gate, and drain

• It is commonly used in electronic devices such as power amplifiers, voltage regulators, and switching circuits

• MOSFETs are preferred over other types of transistors due to their high input impedance, low power consumption, and fast switching speed

The different wood stud sizes vary depending on the application and building codes.

• Common wood stud sizes include 2x4, 2x6, and 2x8.

• The actual dimensions of a wood stud may be slightly smaller due to planing and drying processes.

• Stud sizes may also vary based on regional building codes and structural requirements.

• Larger stud sizes like 4x4 or 6x6 may be used for load-bearing walls or special construction projects.

Yes, global parameters can be scheduled in BIM.

• Global parameters in BIM can be scheduled to track and manage project data.

• Scheduling global parameters allows for easy access and manipulation of data across the project.

• For example, a global parameter for room area can be scheduled to automatically update and calculate the total area of all rooms in the project.

• Scheduling global parameters can improve efficiency and accuracy in BIM workflows.