Heat transfer is fundamental in industrial applications, especially for Heat Transfer Machines. There are three main types: conduction, convection, and radiation. Comprehending these can optimize the performance of such machines and yield high - quality heat - transfer results. I. Conduction 1. ...
SAFETY IN WELDING There are several risk factors connected to welding. The arc emits extremely bright light and ultraviolet radiation, which may damage the eyes. Molten metal splashes and sparks can burn the skin and cause a risk of fire, and the fumes generated in welding can be dangerous wh...
What is transfer of heat? 02:31 Mention the applications of converction in daily life. 02:13 Write a note on radiation. 01:12 Mention the applications of radiation in daily life. 02:06 Why do we wear wollen clothes in winter? 01:24 Can conversation take place in soilds? Why? 03:20...
What happens when the heat radiation is emitted back into the atmosphere?Question:What happens when the heat radiation is emitted back into the atmosphere?Heat Transfer:In physics, the transfer of heat takes place from the high-temperature body to the body's lower temperature. The...
Heat transfers in three ways: conduction, convection and radiation. In conduction, objects transfer heat through direct contact, while in radiation heat transfers without the need of a medium. In this question we'll explore convection in more detail....
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
This IR radiation remains close to the earth's surface, increasing its temperature. Carbon dioxide accumulates in the atmosphere, so it has a warming effect that can affect the global climate. Currently, the concentration of CO2 in the atmosphere is about 400 ppm. However, the level is often...
The heat from a fireplace or the sunlight comes to us by radiation in the form of infrared waves. Objects at low temperatures produce long waves while objects at high temperature produce short waves. The wavelength of infrared waves is between the wavelength of radio waves and that of light ...
between the air-gapped system and the outside walls, as well as space between its wires and the wires of other technical equipment. For a system with extremely sensitive data, an organization can use a Faraday cage to prevent electromagnetic radiation from escaping from the air-gapped equipment...
SRAM also generates less heat and is more resistant to radiation. Drawbacks of SRAM SRAM devices are low-density devices with a small memory capacity, making them unsuitable for applications that require high capacity. Complexity and bigger size are other drawbacks of SRAM, both of which result ...