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Engineering
Engineering is an art and profession devoted to designing, constructing, and operating the structures, machines, and other devices of industry and everyday life.
5,839 Questions
What types of technology is used most in zoology?
In zoology, technology such as DNA sequencing for genetic analysis, GPS tracking for monitoring animal movements, and remote sensing for habitat mapping are commonly used. Camera traps and drones are also increasingly being used for studying wildlife behavior and population dynamics.
How temperature affect the reaction rate?
For the very large majority of chemical reactions, increasing the temperature increases the rate of the reaction. This is because nearly all chemical reactions have some activation barrier which must be surmounted before the reaction can proceed, and the added temperature helps to get over this barrier. There are however some processes which do not speed up with increased temperature, although there much fewer. The freezing of water is one obvious example.
AnswerHeating chemical substances can make the molecules separate and move around faster. This can increase the speed with which they mix with surrounding molecules from other chemical substances, thus speeding up a reaction. This is not always the case, some chemicals will only react when cold...
While it is true that hotter molecules move faster, it is not the improved mixing that makes reactions occur faster -- otherwise you could just stir more effectively and not have to heat! Heating gives the molecules more energy to surmount the activation energy barrier of the reaction. The more energy the reactants have, the more of them can surmount this barrier, which is required for the reaction to occur. The reason some reactions don't go faster when heated is because they do be activationless or the barrier may be so high that other methods are necessary to give the reactant sufficient energy to surmount the barrier.
See the Related Question below for more information.
What is net heat change in polytropic process?
In a polytropic process, the net heat change depends on the specific conditions of the process (e.g., if it is adiabatic or not, reversible or irreversible). In general, the net heat change can be calculated by comparing the heat added or removed during the process with the work done by the system.
What is the difference between Recovery Coke Oven and Non-Recovery Coke Oven?
recovery type of coke-oven is having recovery of various products such as tar, benzene, sulpher etc as a by product of coke. where as no such by produst is been produced in non recovery coke-oven.
recovery batteries been operated under positive pressure where as non recovery batteries work under negative pressure.
The Environmental Protection Agency (EPA) in the United States is responsible for studying and assessing the environment to protect it and safeguard the health of people affected by environmental changes. EPA sets and enforces regulations to address pollution and other environmental hazards to ensure a safe and healthy environment for all.
Why is hard engineering necessary at some parts of the coast?
Hard engineering is necessary at some parts of the coast to protect vulnerable areas from erosion and flooding caused by waves and tides. Structures like seawalls, groynes, and breakwaters can help absorb the energy of the waves and prevent further coastal erosion. Hard engineering may also be required in highly developed or populated areas where the economic cost of potential damage outweighs the environmental impacts.
How does polonium help humans?
Polonium applications: - Source of neutrons: as Po-BeO - Radioisotope thermoelectric energy source - Alpha particles source - Brushes with Po to eliminate static charges from different surfaces - Material in radiochemistry studies
Why electron jumps from ground state to exicted state?
An electron jumps from the ground state to an excited state when it absorbs energy, typically in the form of a photon. This causes the electron to move to a higher energy level, creating an excited state. When the electron later falls back to the ground state, it releases the absorbed energy in the form of a photon.
What functional group does lactic acid belong?
Lactic acid belongs to the carboxylic acid functional group. This functional group consists of a carbonyl group (C=O) and a hydroxyl group (OH) attached to the same carbon atom.
Where do you work after studying biochemistry at college?
After studying biochemistry at college, you can work in various fields such as pharmaceuticals, biotechnology, healthcare, research, food and beverage industries, environmental sector, or pursuing further education in fields like medicine, pharmacy, or bioinformatics.
What happens to a material during ductile deformation?
During ductile deformation, a material undergoes plastic deformation, meaning it permanently changes shape without breaking. This results in the material stretching and elongating before eventually yielding and forming necks or thin regions. The material exhibits a higher degree of deformation before fracture compared to brittle materials.
Snow socks use friction to provide the grip. Dry snow and ice sticks to fabric and the Socks are made from a technical fabric which sticks to the snow. The specially developed textile also "wicks away" any water that's found between the ground and the tyre, (generated e.g. by the warmth of the sun, or wheel spin), thereby maximising the friction grip.
What is the pressure difference between earth sea level and outer space?
The pressure at sea level on Earth is about 14.7 pounds per square inch (psi), while the pressure in outer space is close to zero psi. This means that there is a pressure difference of 14.7 psi between sea level on Earth and outer space.
The correct value for the specific heat of water is 4.1868 joules per gram per degree Celsius. This means that it takes 4.1868 joules of energy to raise the temperature of 1 gram of water by 1 degree Celsius.
Where does most of the human LD50 information you currently have come from?
The Human LD50 information we currently have come the scientist! obviously hahhahahaha.... Idk actually..if you know please answer as soon as possible. Thank you soo much for everything, and reading this ...pointless junk..ahha!
What is the metal that is hardest to break?
Tungsten is one of the hardest metals to break due to its high tensile strength and durability. It is commonly used in industrial and military applications that require materials with exceptional hardness and resistance to wear and tear.
How can explain inertia governor?
An inertia governor is a device used to regulate the speed of an engine by controlling the fuel or air flow. It works by adjusting the position of the throttle or fuel metering valve in response to changes in engine speed. As the engine speed increases or decreases, the governor uses centrifugal force to actuate the throttle, maintaining a steady speed.
Stripping steam aids in separation in the column by "stripping' lighter components to higher trays in the column. While the crude is heated to a temperature where the pure components would normally go up, in crude oil the lighter components are often entrained in the heavier ones and the separation is not ideal. In actual practice stripping steam rates affect the flash points of the products as well as the concentration of hydrogen sulfide (H2S) in the products. The stripping steam added to the bottom of the column also affects the amount of overflash in the flash zone.
Atomized liquid refers to the process of breaking a liquid into very small droplets or particles through atomization. Atomization can be achieved through various methods such as spraying, nebulizing, or using specialized equipment like atomizers. This process is commonly used in industries such as pharmaceuticals, agriculture, and combustion for applications like spraying pesticides, creating inhalable medications, or improving fuel-air mixing.
What is the difference between water separator and moisture separator?
A water separator is used to remove bulk water from a gas stream, while a moisture separator is used to remove fine water droplets or mist from a gas stream. Water separators are typically used in larger industrial applications, while moisture separators are used in processes where precise control of moisture content is important, such as in compressed air systems.
Basalt is considered to have low to moderate permeability, meaning it allows some water to flow through it, but at a slower rate compared to more porous rocks. This can vary depending on factors such as the porosity and fractures within the basalt.
Unit of liquid quantity per hour?
"Liquid quantity per hour" is a flow rate. It can be (any unit of volume) divided by (any unit of time).
Some widely-used candidates are:
-- cubic feet per minute
-- gallons per minute
-- liters per second
etc.
What fluid has the biggest specific gravity?
Oil has the highest specific gravity. Water has the second.
Radiation resistance of folded dipole?
The radiation resistance of a folded dipole antenna is typically higher than that of a simple dipole antenna, approximately 300 ohms compared to 73 ohms. This increase in radiation resistance helps improve the efficiency and performance of the antenna. The folded design allows for a more compact structure while maintaining good radiation characteristics.
What is the angle of repose for steel chips?
The angle of repose for steel chips can vary depending on factors such as the size, shape, and surface characteristics of the chips. Generally, the angle of repose for steel chips is between 30 to 45 degrees. Experimental testing may be needed to determine the specific angle of repose for a particular type of steel chip.
