Petro-Chem Industries Interview Questions and Answers

Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage applied across it and inversely proportional to its resistance.

• Ohm's Law is expressed as V = IR, where V is the voltage, I is the current, and R is the resistance.

• It helps in understanding the relationship between voltage, current, and resistance in an electrical circuit.

• For example, if the voltage is increased while t...read more

Linux OS is an open-source operating system based on the Unix kernel.

• Linux OS is known for its stability, security, and flexibility.

• It is widely used in servers, embedded systems, and mobile devices.

• Examples of popular Linux distributions include Ubuntu, Fedora, and CentOS.

CCD stands for Charge-Coupled Device and TI Camera stands for Texas Instruments Camera.

• CCD is a type of image sensor used in digital cameras and video cameras.

• TI Camera refers to cameras developed by Texas Instruments, a technology company.

• CCD/TI Cameras are commonly used in various applications such as surveillance, photography, and scientific imaging.

• CCD/TI Cameras convert light into electrical signals for capturing ...read more

The command used to make a directory in Linux is 'mkdir'.

• The 'mkdir' command is used to create a new directory in Linux.

• It can be used with various options to set permissions, create multiple directories, etc.

• For example, 'mkdir directory_name' creates a new directory with the specified name.

• To create multiple directories at once, use 'mkdir dir1 dir2 dir3'.

• To create directories with specific permissions, use 'mkdir -m

The service used for local server in Parrot OS is Apache.

• Apache is a popular open-source web server software.

• It is widely used for hosting websites and serving web content.

• Apache provides a robust and secure environment for running web applications.

• It supports various features like virtual hosting, SSL/TLS encryption, and URL rewriting.

• Parrot OS includes Apache as the default web server for local development.